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Malicious File Creates Network Socket and Contacts fdh32fsdfhs.shop - Kunai Analysis Report sample - 2d266ab2597c72424aa21bc00718f9a13e5836e8

Low
Published: Fri Jun 20 2025 (06/20/2025, 00:00:00 UTC)
Source: CIRCL OSINT Feed
Vendor/Project: type
Product: osint

Description

Malicious File Creates Network Socket and Contacts fdh32fsdfhs.shop - Kunai Analysis Report sample - 2d266ab2597c72424aa21bc00718f9a13e5836e8

AI-Powered Analysis

AILast updated: 07/20/2025, 21:08:34 UTC

Technical Analysis

The reported security threat involves a malicious file that creates a network socket and attempts to contact an external domain, fdh32fsdfhs.shop. This behavior is indicative of malware establishing outbound communication, potentially for command and control (C2) purposes, data exfiltration, or to receive further instructions. The analysis is based on an OSINT feed from CIRCL, with a moderate certainty level of 50%. The threat is categorized as low severity by the source, but no detailed technical indicators, affected software versions, or exploit details are provided. The lack of patch availability and known exploits in the wild suggests this may be a newly observed or low-impact threat. The domain contacted appears to be suspicious and likely malicious, which is a common tactic used by malware to evade detection and maintain persistence. The technical details are minimal, with no CWE identifiers or specific vulnerabilities noted. Overall, this threat represents a potentially unwanted or malicious file exhibiting network communication behavior that could lead to further compromise if executed within a target environment.

Potential Impact

For European organizations, the impact of this threat primarily revolves around the risk of unauthorized outbound network connections that could lead to data leakage, system compromise, or the establishment of persistent malicious control channels. Even though the severity is assessed as low, such malware can serve as a foothold for more sophisticated attacks, especially in environments with lax network monitoring or insufficient endpoint protection. The threat could disrupt confidentiality by leaking sensitive information and potentially affect system integrity if the malware downloads and executes additional payloads. Availability impact is likely minimal at this stage. European organizations with internet-facing systems or those that allow execution of unverified files are at risk. The threat could also increase the attack surface for targeted phishing or social engineering campaigns if the malware is part of a broader attack chain.

Mitigation Recommendations

To mitigate this threat effectively, European organizations should implement network-level monitoring to detect and block suspicious outbound connections, especially to newly registered or obscure domains like fdh32fsdfhs.shop. Endpoint detection and response (EDR) solutions should be configured to identify and quarantine files that create unauthorized network sockets. Organizations should enforce strict application whitelisting and restrict execution privileges to prevent unauthorized file execution. DNS filtering and threat intelligence feeds can be used to block access to known malicious domains proactively. Regular user training on the risks of executing unknown files and phishing awareness is essential. Additionally, organizations should conduct regular audits of network traffic and endpoint behavior to detect anomalies early. Since no patches are available, focus should be on detection and containment strategies.

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Technical Details

Uuid
ff2d1e23-caba-4a52-a374-ba223b1e7700
Original Timestamp
1750408053

Indicators of Compromise

Text

ValueDescriptionCopy
text/root/bin
textAF_INET
textUDP
textAF_INET
textTCP

Ip

ValueDescriptionCopy
ip8.8.8.8
ip196.251.88.165
ip196.251.88.165
ip196.251.88.165
ip196.251.88.165
ip196.251.88.165
ip196.251.88.165
ip196.251.88.165
ip196.251.88.165
ip196.251.88.165
ip196.251.88.165
ip196.251.88.165
ip196.251.88.165
ip196.251.88.165

Port

ValueDescriptionCopy
port53
port59123

Domain

ValueDescriptionCopy
domainfdh32fsdfhs.shop
domainfdh32fsdfhs.shop
domainfdh32fsdfhs.shop
domainfdh32fsdfhs.shop
domainfdh32fsdfhs.shop
domainfdh32fsdfhs.shop
domainfdh32fsdfhs.shop
domainfdh32fsdfhs.shop
domainfdh32fsdfhs.shop
domainfdh32fsdfhs.shop
domainfdh32fsdfhs.shop
domainfdh32fsdfhs.shop
domainfdh32fsdfhs.shop

Datetime

ValueDescriptionCopy
datetime2025-06-19T11:42:24.490414+00:00
datetime2025-06-19T11:42:28.598684+00:00
datetime2025-06-19T11:42:37.752756+00:00
datetime2025-06-19T11:42:45.721202+00:00
datetime2025-06-19T11:42:46.798233+00:00
datetime2025-06-19T11:42:51.949524+00:00
datetime2025-06-19T11:42:57.062967+00:00
datetime2025-06-19T11:43:02.074597+00:00
datetime2025-06-19T11:43:09.267985+00:00
datetime2025-06-19T11:43:10.286242+00:00
datetime2025-06-19T11:43:18.442851+00:00
datetime2025-06-19T11:43:23.555907+00:00

File

ValueDescriptionCopy
file634928e6-5d30-4879-817c-475eeb6dc201
fileactivity-graph.svg
sample activity graph
filekunai.json.gz
kunai logs for sample

Size in-bytes

ValueDescriptionCopy
size-in-bytes46256

Float

ValueDescriptionCopy
float6.4998981401139

Hash

ValueDescriptionCopy
hasha231b1d76e93c3c5f2f595bb6ed53e3f
hash2d266ab2597c72424aa21bc00718f9a13e5836e8
hash0d2211b7e92fcc6a9f7c94d4adf8e47f6f97e31dacd3b2ffb6cce3c485fcef26
hasha58aed72544a8ac72083e7316aa3e02bd21006460c05e142d8c40f03e93df088b6380830326cb92c265120358a5198c2ce506b7c90a08052ef13ff0c88577e1d

Malware sample

ValueDescriptionCopy
malware-sample634928e6-5d30-4879-817c-475eeb6dc201|a231b1d76e93c3c5f2f595bb6ed53e3f

Threat ID: 685538917ff74dad36a5c34e

Added to database: 6/20/2025, 10:31:45 AM

Last enriched: 7/20/2025, 9:08:34 PM

Last updated: 8/17/2025, 1:34:20 AM

Views: 38

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