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FormBook campaign

0
Low
Published: Fri Jun 16 2023 (06/16/2023, 00:00:00 UTC)
Source: CIRCL
Vendor/Project: type
Product: osint

Description

The FormBook campaign involves the distribution of the FormBook malware primarily through spearphishing email attachments. This malware is a known information stealer that targets Windows systems to exfiltrate sensitive data. Although the campaign is currently assessed with low severity and no known exploits in the wild, the use of spearphishing attachments poses a risk of initial compromise. European organizations, especially those with high email exposure and Windows-based environments, could be targeted. Mitigation requires enhanced email filtering, user awareness training focused on spearphishing, and endpoint detection capabilities tailored to identify FormBook behaviors. Countries with significant industrial, financial, and governmental sectors using Windows platforms are more likely to be affected. Given the ease of exploitation via user interaction and the potential for data theft, the suggested severity is medium. Defenders should prioritize detection of spearphishing attempts and implement strict controls on email attachments to reduce risk.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 12/24/2025, 06:12:22 UTC

Technical Analysis

FormBook is a commercially available information-stealing malware that has been widely used in various cybercrime campaigns. The campaign referenced here involves the distribution of FormBook primarily through spearphishing email attachments, leveraging social engineering to trick users into opening malicious files. Once executed on a Windows system, FormBook collects a wide range of sensitive information including credentials, keystrokes, screenshots, and system information, which it then exfiltrates to attacker-controlled servers. The campaign is characterized by its use of targeted spearphishing techniques (MITRE ATT&CK patterns T1566.001 and T1193), indicating a focused approach to compromise. Although no specific affected versions or exploits are detailed, the campaign's low severity rating and lack of known exploits in the wild suggest it is currently not widespread or highly sophisticated. However, the persistent nature of FormBook and its capability to evade detection through obfuscation and anti-analysis techniques make it a continuing threat. The campaign's indicators are not provided, which limits immediate detection but highlights the need for behavioral monitoring. The threat level and analysis scores indicate moderate concern, emphasizing the importance of vigilance against spearphishing and malware infection vectors.

Potential Impact

For European organizations, the primary impact of a successful FormBook infection is the compromise of confidentiality through the theft of credentials, personal data, and potentially sensitive corporate information. This can lead to further intrusions, financial fraud, intellectual property theft, and reputational damage. The campaign's reliance on spearphishing means that organizations with large numbers of employees receiving external emails are at risk, especially if security awareness is low. The malware's ability to capture keystrokes and screenshots can expose login credentials to critical systems, including those related to finance, government, and critical infrastructure. While the campaign currently has a low severity rating, the potential for escalation exists if attackers leverage stolen credentials for lateral movement or ransomware deployment. The absence of patches means organizations must rely on detection and prevention controls. The impact on availability and integrity is limited but could increase if attackers use stolen data to disrupt operations or manipulate information.

Mitigation Recommendations

European organizations should implement multi-layered defenses against spearphishing and FormBook infections. Specific measures include: 1) Deploy advanced email filtering solutions that scan attachments for malicious content and block known FormBook signatures or suspicious file types commonly used in spearphishing. 2) Conduct targeted user awareness training emphasizing the risks of opening unsolicited attachments and recognizing spearphishing tactics. 3) Enable endpoint detection and response (EDR) tools capable of identifying FormBook behaviors such as credential dumping, keystroke logging, and unusual network exfiltration patterns. 4) Enforce strict application control policies to prevent execution of unauthorized binaries from email attachments or temporary directories. 5) Implement network segmentation and monitor outbound traffic for anomalies indicative of data exfiltration. 6) Maintain up-to-date threat intelligence feeds to detect emerging FormBook indicators. 7) Use multi-factor authentication (MFA) to reduce the impact of credential theft. 8) Regularly back up critical data and test incident response plans to ensure rapid containment if infection occurs.

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Technical Details

Threat Level
3
Analysis
2
Uuid
f45fe125-7f3f-4335-bf74-5ab61eb5b645
Original Timestamp
1686914589

Indicators of Compromise

File

ValueDescriptionCopy
file34.102.136.180
On port 80
file162.241.252.197
On port 80
file3.64.163.50
On port 80
file38.54.177.114
On port 80
file185.107.56.209
On port 80
file34.117.168.233
On port 80
file54.144.38.219
On port 80
file208.91.197.27
On port 80
file207.60.53.40
On port 80
file66.235.200.146
On port 80
file188.114.97.13
On port 80
fileSV00388388323788.arj
file84470338a1b460b107ab8b8642c04bf12fe930e224b79dcb0dad5ac713fc7b85

Hash

ValueDescriptionCopy
hash80
On port 80
hash80
On port 80
hash80
On port 80
hash80
On port 80
hash80
On port 80
hash80
On port 80
hash80
On port 80
hash80
On port 80
hash80
On port 80
hash80
On port 80
hash80
On port 80
hashf515d29ebd892a5f8b19e571a75a6d34
hashc514799ffdc38d48b7e90b8b6a324c354d1fd2a2
hash5ba3876088c3578f7d369253d0c27454794282e420a106188fbee7e060a3cea1
hasha9e30d6f94ac7d32de3e0d46bea63795
hasha90acad4b9cd1d762c758721b0913c3e130d0e3c
hash84470338a1b460b107ab8b8642c04bf12fe930e224b79dcb0dad5ac713fc7b85
hashb68ba759b7f42362afd514aab8c2eeeb57e395a9e24b0faa3e2c1411bf6149f86722731d470390e3dce35e4183c9e283fd6b8c04792c1df46d4b0d0b50e0c2f8

Url

ValueDescriptionCopy
urlhttp://www.doordelivery.life/km37/
urlhttp://www.busybody.app/km37/
urlhttp://www.damcostafreda12.cat/km37/
urlhttp://www.blueridgebedracks.com/km37/
urlhttp://www.hilltopspice.com/km37/
urlhttp://www.addonysfitwear.com/km37/
urlhttp://www.bestridelabs.com/km37/
urlhttp://www.huashi366.com/km37/
urlhttp://www.1wihug.top/km37/
urlhttp://www.66563.se/km37/
urlhttp://www.96mvipmy.com/km37/
urlhttp://www.lab1207.com/km37/
urlhttp://www.80b80.app/km37/
urlhttp://www.graphicstudio53.com/km37/
urlhttp://www.xn--etherealsoires-mkb.com/km37/
urlhttp://www.bestrosetoy.com/km37/
urlhttp://www.discounthub.xyz/km37/
urlhttp://www.addmusthaveoppprofit.online/km37/
urlhttp://www.abovegame.biz/km37/
urlhttp://www.getv3apparel.com/km37/
urlhttp://www.designroom.app/km37/
urlhttp://www.apatriotspeaks.com/km37/
urlhttp://www.ayq6cn.shop/km37/
urlhttp://www.androidrehber.com/km37/
urlhttp://www.iratewonderhandstore.africa/km37/
urlhttp://www.chateaufinewines.com/km37/
urlhttp://www.fantiplumbing.com/km37/
urlhttp://www.furadventure.com/km37/
urlhttp://www.jogo.africa/km37/
urlhttp://www.dashfashion.store/km37/
urlhttp://www.family-doctor-54927.com/km37/
urlhttp://www.66y143.xyz/km37/
urlhttp://www.bokenco.com/km37/
urlhttp://www.lermansalesmarketing.com/km37/
urlhttp://www.mybunnylawn.com/km37/
urlhttp://www.innerlovefest.com/km37/
urlhttp://www.jiayi-x.com/km37/
urlhttp://www.azart-player.ru/km37/
urlhttp://www.motorsolutionswithmakro.co.uk/km37/
urlhttp://www.demonstrate-suppress.net/km37/
urlhttp://www.jaafil.com/km37/
urlhttp://www.coinnspoo.com/km37/
urlhttp://www.micdavevtuportal.africa/km37/
urlhttp://www.austmactrading.com/km37/
urlhttp://www.bxsh.cloud/km37/
urlhttp://www.ourfturehealth.org.uk/km37/
urlhttp://www.3dgamesource.com/km37/
urlhttp://www.capturecreativeproductions.com/km37/
urlhttp://www.vestby.net/km37/
urlhttp://www.uyruio.xyz/km37/
urlhttp://www.calandrainmanlaw.com/km37/
urlhttp://www.horsesnarrowboatsrabbits.com/km37/
urlhttp://www.moosemunch.boo/km37/
urlhttp://www.famousleaked.site/km37/
urlhttp://www.betonyventures.com/km37/
urlhttp://www.68i81.top/km37/
urlhttp://www.katskateringllc.com/km37/
urlhttp://www.wemakebelieve.africa/km37/
urlhttp://www.hissy.shop/km37/
urlhttp://www.eatit.click/km37/
urlhttp://www.awesomeessential.com/km37/
urlhttp://www.hbcumicbrophone.com/km37/
urlhttp://www.calliebarrows.online/km37/
urlhttp://www.brippa.store/km37/
urlhttp://www.chopsbyzarah.com/km37/

Domain

ValueDescriptionCopy
domainuyruio.xyz
domainbusybody.app
domaindamcostafreda12.cat
domainblueridgebedracks.com
domainhilltopspice.com
domainaddonysfitwear.com
domainbestridelabs.com
domainhuashi366.com
domain1wihug.top
domain66563.se
domain96mvipmy.com
domainlab1207.com
domain80b80.app
domaingraphicstudio53.com
domainxn--etherealsoires-mkb.com
domainbestrosetoy.com
domaindiscounthub.xyz
domainaddmusthaveoppprofit.online
domainabovegame.biz
domaingetv3apparel.com
domaindesignroom.app
domainapatriotspeaks.com
domainayq6cn.shop
domainandroidrehber.com
domainiratewonderhandstore.africa
domainchateaufinewines.com
domainfantiplumbing.com
domainfuradventure.com
domainjogo.africa
domaindashfashion.store
domainfamily-doctor-54927.com
domain66y143.xyz
domainbokenco.com
domainlermansalesmarketing.com
domainmybunnylawn.com
domaininnerlovefest.com
domainjiayi-x.com
domainazart-player.ru
domainmotorsolutionswithmakro.co.uk
domaindemonstrate-suppress.net
domainjaafil.com
domaincoinnspoo.com
domainmicdavevtuportal.africa
domainaustmactrading.com
domainbxsh.cloud
domainourfturehealth.org.uk
domain3dgamesource.com
domaincapturecreativeproductions.com
domainvestby.net
domaincalandrainmanlaw.com
domainhorsesnarrowboatsrabbits.com
domainmoosemunch.boo
domainfamousleaked.site
domainbetonyventures.com
domain68i81.top
domainkatskateringllc.com
domainwemakebelieve.africa
domainhissy.shop
domaineatit.click
domainawesomeessential.com
domainhbcumicbrophone.com
domaincalliebarrows.online
domainbrippa.store
domainchopsbyzarah.com

Malware sample

ValueDescriptionCopy
malware-sampleSV00388388323788.arj|f515d29ebd892a5f8b19e571a75a6d34
malware-sample84470338a1b460b107ab8b8642c04bf12fe930e224b79dcb0dad5ac713fc7b85|a9e30d6f94ac7d32de3e0d46bea63795

Size in-bytes

ValueDescriptionCopy
size-in-bytes703515
size-in-bytes184832

Float

ValueDescriptionCopy
float7.4132217734106

Mime type

ValueDescriptionCopy
mime-typedata

Ssdeep

ValueDescriptionCopy
ssdeep3072:NHJRT+khPd3g8gUp3oudAgrDq4AKV9FUzmlYKGEYuCraA1vwLZ:jxVoOTXq45V92vKjYuhgvo

Text

ValueDescriptionCopy
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"http://www.graphicstudio53.com/km37/" }, { "url": "http://www.xn--etherealsoires-mkb.com/km37/" }, { "url": "http://www.bestrosetoy.com/km37/" }, { "url": "http://www.discounthub.xyz/km37/" }, { "url": "http://www.addmusthaveoppprofit.online/km37/" }, { "url": "http://www.abovegame.biz/km37/" }, { "url": "http://www.getv3apparel.com/km37/" }, { "url": "http://www.designroom.app/km37/" }, { "url": "http://www.apatriotspeaks.com/km37/" }, { "url": "http://www.ayq6cn.shop/km37/" }, { "url": "http://www.androidrehber.com/km37/" }, { "url": "http://www.iratewonderhandstore.africa/km37/" }, { "url": "http://www.chateaufinewines.com/km37/" }, { "url": "http://www.fantiplumbing.com/km37/" }, { "url": "http://www.furadventure.com/km37/" }, { "url": "http://www.jogo.africa/km37/" }, { "url": "http://www.dashfashion.store/km37/" }, { "url": "http://www.family-doctor-54927.com/km37/" }, { "url": "http://www.66y143.xyz/km37/" }, { "url": "http://www.bokenco.com/km37/" }, { "url": "http://www.lermansalesmarketing.com/km37/" }, { "url": "http://www.mybunnylawn.com/km37/" }, { "url": "http://www.innerlovefest.com/km37/" }, { "url": "http://www.jiayi-x.com/km37/" }, { "url": "http://www.azart-player.ru/km37/" }, { "url": "http://www.motorsolutionswithmakro.co.uk/km37/" }, { "url": "http://www.demonstrate-suppress.net/km37/" }, { "url": "http://www.jaafil.com/km37/" }, { "url": "http://www.coinnspoo.com/km37/" }, { "url": "http://www.micdavevtuportal.africa/km37/" }, { "url": "http://www.austmactrading.com/km37/" }, { "url": "http://www.bxsh.cloud/km37/" }, { "url": "http://www.ourfturehealth.org.uk/km37/" }, { "url": "http://www.3dgamesource.com/km37/" }, { "url": "http://www.capturecreativeproductions.com/km37/" }, { "url": "http://www.vestby.net/km37/" }, { "url": "http://www.uyruio.xyz/km37/" }, { "url": "http://www.calandrainmanlaw.com/km37/" }, { "url": "http://www.horsesnarrowboatsrabbits.com/km37/" }, { "url": "http://www.moosemunch.boo/km37/" }, { "url": "http://www.famousleaked.site/km37/" }, { "url": "http://www.betonyventures.com/km37/" }, { "url": "http://www.68i81.top/km37/" }, { "url": "http://www.katskateringllc.com/km37/" }, { "url": "http://www.wemakebelieve.africa/km37/" }, { "url": "http://www.hissy.shop/km37/" }, { "url": "http://www.eatit.click/km37/" }, { "url": "http://www.awesomeessential.com/km37/" }, { "url": "http://www.hbcumicbrophone.com/km37/" }, { "url": "http://www.calliebarrows.online/km37/" }, { "url": "http://www.brippa.store/km37/" }, { "url": "http://www.chopsbyzarah.com/km37/" } ], "c2_url": "http://www.doordelivery.life/km37/", "domains": [ { "domain": "uyruio.xyz" } ], "version": "4.1", "signature": "FBNG", "real_c2_idxs": [ 126 ], "decoy_domains": [ { "domain": "busybody.app" }, { "domain": "damcostafreda12.cat" }, { "domain": "blueridgebedracks.com" }, { "domain": "hilltopspice.com" }, { "domain": "addonysfitwear.com" }, { "domain": "bestridelabs.com" }, { "domain": "huashi366.com" }, { "domain": "1wihug.top" }, { "domain": "66563.se" }, { "domain": "96mvipmy.com" }, { "domain": "lab1207.com" }, { "domain": "80b80.app" }, { "domain": "graphicstudio53.com" }, { "domain": "xn--etherealsoires-mkb.com" }, { "domain": "bestrosetoy.com" }, { "domain": "discounthub.xyz" }, { "domain": "addmusthaveoppprofit.online" }, { "domain": "abovegame.biz" }, { "domain": "getv3apparel.com" }, { "domain": "designroom.app" }, { "domain": "apatriotspeaks.com" }, { "domain": "ayq6cn.shop" }, { "domain": "androidrehber.com" }, { "domain": "iratewonderhandstore.africa" }, { "domain": "chateaufinewines.com" }, { "domain": "fantiplumbing.com" }, { "domain": "furadventure.com" }, { "domain": "jogo.africa" }, { "domain": "dashfashion.store" }, { "domain": "family-doctor-54927.com" }, { "domain": "66y143.xyz" }, { "domain": "bokenco.com" }, { "domain": "lermansalesmarketing.com" }, { "domain": "mybunnylawn.com" }, { "domain": "innerlovefest.com" }, { "domain": "jiayi-x.com" }, { "domain": "azart-player.ru" }, { "domain": "motorsolutionswithmakro.co.uk" }, { "domain": "demonstrate-suppress.net" }, { "domain": "jaafil.com" }, { "domain": "coinnspoo.com" }, { "domain": "micdavevtuportal.africa" }, { "domain": "austmactrading.com" }, { "domain": "bxsh.cloud" }, { "domain": "ourfturehealth.org.uk" }, { "domain": "3dgamesource.com" }, { "domain": "capturecreativeproductions.com" }, { "domain": "vestby.net" }, { "domain": "uyruio.xyz" }, { "domain": "calandrainmanlaw.com" }, { "domain": "horsesnarrowboatsrabbits.com" }, { "domain": "moosemunch.boo" }, { "domain": "famousleaked.site" }, { "domain": "betonyventures.com" }, { "domain": "68i81.top" }, { "domain": "katskateringllc.com" }, { "domain": "wemakebelieve.africa" }, { "domain": "hissy.shop" }, { "domain": "eatit.click" }, { "domain": "awesomeessential.com" }, { "domain": "hbcumicbrophone.com" }, { "domain": "calliebarrows.online" }, { "domain": "brippa.store" }, { "domain": "chopsbyzarah.com" } ] }
textJSON

Threat ID: 682acdbebbaf20d303f0e505

Added to database: 5/19/2025, 6:20:46 AM

Last enriched: 12/24/2025, 6:12:22 AM

Last updated: 3/22/2026, 4:42:32 PM

Views: 82

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