ScreenConnect RMM Abuse, Cloudflare Tunnels, and Trusted Software Lures Threat Intelligence, Threat Research, Threat Security
Threat actors are conducting a multi-wave campaign using social engineering lures themed around Zoom updates, business documents, and system utilities to deploy ScreenConnect Remote Monitoring and Management agents. The operation employs VBScript droppers, batch loaders, compiled .NET executables, and HTML phishing pages, all retrieving payloads from a WsgiDAV staging server at 207.174.0.143:8080. Victims receive silently installed ScreenConnect agents that beacon to three attacker-controlled relay servers, providing persistent remote access. The campaign demonstrates technical evolution from obfuscated VBScript with XOR encryption to aggressive .NET loaders executing nine-step Windows Defender destruction sequences. Cross-platform variants target both Windows and macOS systems. All payloads are legitimately signed ConnectWise ScreenConnect MSIs, designed to evade security controls that trust code signing. The threat actor actively rotates payload hashes and recently pivoted to stealth tactics specifically...
AI Analysis
Technical Summary
This campaign involves threat actors deploying ScreenConnect RMM agents through social engineering lures and multiple delivery mechanisms including VBScript droppers, batch loaders, compiled .NET executables, and HTML phishing pages. Payloads are retrieved from a WsgiDAV staging server (207.174.0.143:8080) and are signed legitimate ConnectWise ScreenConnect MSIs, enabling evasion of security controls that trust signed code. The installed ScreenConnect agents beacon to attacker-controlled relay servers, providing persistent remote access. The campaign has evolved from obfuscated VBScript with XOR encryption to aggressive .NET loaders that execute complex Windows Defender destruction sequences. Cross-platform variants target both Windows and macOS systems. The threat actor actively rotates payload hashes and uses stealth tactics to avoid detection and maintain persistence.
Potential Impact
Successful exploitation results in the silent installation of ScreenConnect RMM agents that provide attackers with persistent remote access to compromised systems. The use of legitimate signed software allows the payloads to bypass many security controls, increasing the likelihood of successful compromise. The campaign targets both Windows and macOS platforms and includes advanced evasion techniques such as Windows Defender destruction sequences and payload hash rotation, complicating detection and remediation efforts.
Mitigation Recommendations
No official patch or fix is applicable as this campaign abuses legitimate software and social engineering techniques. Organizations should be aware of this campaign and focus on detecting abnormal use of ScreenConnect RMM agents and monitoring for suspicious network connections to unknown relay servers. Security teams should verify the legitimacy of ScreenConnect installations and consider restricting or monitoring the use of remote management tools. Since the payloads are signed, reliance solely on code signing for trust should be reconsidered. Vendor advisories or updates specific to this campaign were not provided; therefore, patch status is not confirmed—check vendor advisories for any updates.
Indicators of Compromise
- ip: 142.202.191.225
- ip: 207.174.0.143
- hash: 9161a8f7f07741db06b9f9a87b6ec7f277faf2ae3a3a661d6eb09cec4e12b920
- url: http://207.189.11.170/Bin/working_payload.cs
- ip: 207.189.11.170
- domain: crestmarkhq.com
- domain: blog.derrspecial-onlinedmin.live
- hash: dc8b056dd6eb75df21e9721ac2e340f91bb5e94d5a6ff412d7d0c7539e0f06e2
- hash: 433b61c29aefaa5b55fe78063e6ad8597d3835f36e1242d5402ab23e6dc61194
- hash: 8e87a734daddd95322b3f18f71eb9275219e244aac4f62b8dc6da6e2e91525e9
- hash: 3cd9b7d583442963261f9985128042bf45d25482efcbf903c9248837cb0d744b
- hash: dd23012b4dc29cf7901185ae4fb2d507e737e9ea4d467846eafd6a86b26486bf
- hash: aa84e2ac68f7fc18f4927b89be7b4a7739f2eaf099e489aa0f65c1d3913ce62a
- domain: subscription-magnetic-recommended-meat.trycloudflare.com
- hash: 3d4d54fb1aaa70005f040558b5d4cd0c
- hash: 5731b2f26146fe379f27bbfc5608f4e9ab11a9d3
- hash: 01e4cb3c60fa50b2927daa11f25a3c412549680406fc121a3d1870a9a33f5d38
- hash: 9d9f3fa5aaf6bc91091873bd7ee04f0cc23e8709e4ad20c61d2779ff1a43c4b4
- hash: 04ec5209d922b98a947fea48c73ecaa8
- hash: 2f1e4fd2937ccf825a555204b1741f89
- hash: 37da3d949d76c4867c6e8812f2c38f94
- hash: 3cbf062f600bb6c64849f726566557bc
- hash: 57d20ed65870aa249ca374142d763d13
- hash: 690401ed2497ad939e05e0bddfd13dbe
- hash: 73167f265dfbd888e514a3730228d82f
- hash: 86db42b1595d14e0f5bd9816e42423cc
- hash: b09c029c6f88a6dad8ef690f9c42f2a5
- hash: b62119f0ae9ad41612f252dd703799d4
- hash: e9174663dd353d0faf56f005cf30a652
- hash: f2d291955c241b3967e636c03cf28c7e
- hash: 19e06d1bf248d1b1ad0d4a1fca8b4dde4733ca43
- hash: 2c32f560af970493724544b19b05363db6e36d25
- hash: 2d8faea3e5170802ff2212f862fd5ef1528289ae
- hash: 4e3422e4848147d648c5e82dfeb163035a10bf26
- hash: 7618dd88cf6a07df1c64ce71dabc1a8167aefcc6
- hash: 897a9a38ebc67beb0775184520c8ce3b0bec04e5
- hash: 923a3c6a7006d0e0fde4deadec5a9cd0b075d122
- hash: a54e21752a34a4663cef87b75efe74be139a2c8e
- hash: a83a5e93cfb4d1fd65054017abfb7827b48f2e5a
- hash: e30f1c194b0c850eb79b4bc39084c75b6aea423b
- hash: ea37f1e3004a5c20af5802c35eb2275594db9c59
- hash: f67016820b113661570f3cee5c070d84bc1b534d
- hash: 2423decbfcf820f41bc356547e4e18e61d60c9829421d7121c374dcef88577f7
- hash: 31260c37cc442719ac84540f4159dd9d4738575d2ab05e92c751a9b4b5f9b91b
- hash: 35be1b070f06eb313c3cb818c74aa0a9c2d9f39a05621dac4de6cff6067a5d12
- hash: 371166ebd83e8318b49ba71321396524fbca7dc42fe1ca4badda8af794bf5a59
- hash: 5253e66f1f493c4e13539749f1aa86fd0c61e3072900fec29a44ba046a6d97e2
- hash: 60c730addd2a15e4213a1d37f55186686976de73a106317b5a258fe0121cfd5c
- hash: 639430a33c0ecdf5a134501788a3a40f065ae4232efc66e1b82eca2b355e0606
- hash: 63c46b3c090a4b1efef146f2f1efc4f93d44f21db21d7825f43e02c3c5c89de6
- hash: 873011c181d00709fdf66f32bb3cca0c5ff3147d00ef818fef72987a6773ea66
- hash: aefac65c42c0c72ed3e08b32774fa1b902f4fd1d53de189d50f38130cc357764
- hash: c8695906dcefc64becb3123fa0a8058278c8c2f9c86130956b6b10d49c1a35dc
- domain: derrspecial-onlinedmin.live
ScreenConnect RMM Abuse, Cloudflare Tunnels, and Trusted Software Lures Threat Intelligence, Threat Research, Threat Security
Description
Threat actors are conducting a multi-wave campaign using social engineering lures themed around Zoom updates, business documents, and system utilities to deploy ScreenConnect Remote Monitoring and Management agents. The operation employs VBScript droppers, batch loaders, compiled .NET executables, and HTML phishing pages, all retrieving payloads from a WsgiDAV staging server at 207.174.0.143:8080. Victims receive silently installed ScreenConnect agents that beacon to three attacker-controlled relay servers, providing persistent remote access. The campaign demonstrates technical evolution from obfuscated VBScript with XOR encryption to aggressive .NET loaders executing nine-step Windows Defender destruction sequences. Cross-platform variants target both Windows and macOS systems. All payloads are legitimately signed ConnectWise ScreenConnect MSIs, designed to evade security controls that trust code signing. The threat actor actively rotates payload hashes and recently pivoted to stealth tactics specifically...
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This campaign involves threat actors deploying ScreenConnect RMM agents through social engineering lures and multiple delivery mechanisms including VBScript droppers, batch loaders, compiled .NET executables, and HTML phishing pages. Payloads are retrieved from a WsgiDAV staging server (207.174.0.143:8080) and are signed legitimate ConnectWise ScreenConnect MSIs, enabling evasion of security controls that trust signed code. The installed ScreenConnect agents beacon to attacker-controlled relay servers, providing persistent remote access. The campaign has evolved from obfuscated VBScript with XOR encryption to aggressive .NET loaders that execute complex Windows Defender destruction sequences. Cross-platform variants target both Windows and macOS systems. The threat actor actively rotates payload hashes and uses stealth tactics to avoid detection and maintain persistence.
Potential Impact
Successful exploitation results in the silent installation of ScreenConnect RMM agents that provide attackers with persistent remote access to compromised systems. The use of legitimate signed software allows the payloads to bypass many security controls, increasing the likelihood of successful compromise. The campaign targets both Windows and macOS platforms and includes advanced evasion techniques such as Windows Defender destruction sequences and payload hash rotation, complicating detection and remediation efforts.
Defensive Guidance
No official patch or fix is applicable as this campaign abuses legitimate software and social engineering techniques. Organizations should be aware of this campaign and focus on detecting abnormal use of ScreenConnect RMM agents and monitoring for suspicious network connections to unknown relay servers. Security teams should verify the legitimacy of ScreenConnect installations and consider restricting or monitoring the use of remote management tools. Since the payloads are signed, reliance solely on code signing for trust should be reconsidered. Vendor advisories or updates specific to this campaign were not provided; therefore, patch status is not confirmed—check vendor advisories for any updates.
Technical Details
- Author
- AlienVault
- Tlp
- white
- References
- ["https://www.securonix.com/blog/smoke-screen-screenconnect-rmm-abuse-cloudflare-tunnels"]
- Adversary
- null
- Pulse Id
- 6a722d8bdafe1dfae681f87b
- Threat Score
- null
Indicators of Compromise
Ip
| Value | Description | Copy |
|---|---|---|
ip142.202.191.225 | — | |
ip207.174.0.143 | — | |
ip207.189.11.170 | — |
Hash
| Value | Description | Copy |
|---|---|---|
hash9161a8f7f07741db06b9f9a87b6ec7f277faf2ae3a3a661d6eb09cec4e12b920 | — | |
hashdc8b056dd6eb75df21e9721ac2e340f91bb5e94d5a6ff412d7d0c7539e0f06e2 | — | |
hash433b61c29aefaa5b55fe78063e6ad8597d3835f36e1242d5402ab23e6dc61194 | — | |
hash8e87a734daddd95322b3f18f71eb9275219e244aac4f62b8dc6da6e2e91525e9 | — | |
hash3cd9b7d583442963261f9985128042bf45d25482efcbf903c9248837cb0d744b | — | |
hashdd23012b4dc29cf7901185ae4fb2d507e737e9ea4d467846eafd6a86b26486bf | — | |
hashaa84e2ac68f7fc18f4927b89be7b4a7739f2eaf099e489aa0f65c1d3913ce62a | — | |
hash3d4d54fb1aaa70005f040558b5d4cd0c | — | |
hash5731b2f26146fe379f27bbfc5608f4e9ab11a9d3 | — | |
hash01e4cb3c60fa50b2927daa11f25a3c412549680406fc121a3d1870a9a33f5d38 | — | |
hash9d9f3fa5aaf6bc91091873bd7ee04f0cc23e8709e4ad20c61d2779ff1a43c4b4 | — | |
hash04ec5209d922b98a947fea48c73ecaa8 | — | |
hash2f1e4fd2937ccf825a555204b1741f89 | — | |
hash37da3d949d76c4867c6e8812f2c38f94 | — | |
hash3cbf062f600bb6c64849f726566557bc | — | |
hash57d20ed65870aa249ca374142d763d13 | — | |
hash690401ed2497ad939e05e0bddfd13dbe | — | |
hash73167f265dfbd888e514a3730228d82f | — | |
hash86db42b1595d14e0f5bd9816e42423cc | — | |
hashb09c029c6f88a6dad8ef690f9c42f2a5 | — | |
hashb62119f0ae9ad41612f252dd703799d4 | — | |
hashe9174663dd353d0faf56f005cf30a652 | — | |
hashf2d291955c241b3967e636c03cf28c7e | — | |
hash19e06d1bf248d1b1ad0d4a1fca8b4dde4733ca43 | — | |
hash2c32f560af970493724544b19b05363db6e36d25 | — | |
hash2d8faea3e5170802ff2212f862fd5ef1528289ae | — | |
hash4e3422e4848147d648c5e82dfeb163035a10bf26 | — | |
hash7618dd88cf6a07df1c64ce71dabc1a8167aefcc6 | — | |
hash897a9a38ebc67beb0775184520c8ce3b0bec04e5 | — | |
hash923a3c6a7006d0e0fde4deadec5a9cd0b075d122 | — | |
hasha54e21752a34a4663cef87b75efe74be139a2c8e | — | |
hasha83a5e93cfb4d1fd65054017abfb7827b48f2e5a | — | |
hashe30f1c194b0c850eb79b4bc39084c75b6aea423b | — | |
hashea37f1e3004a5c20af5802c35eb2275594db9c59 | — | |
hashf67016820b113661570f3cee5c070d84bc1b534d | — | |
hash2423decbfcf820f41bc356547e4e18e61d60c9829421d7121c374dcef88577f7 | — | |
hash31260c37cc442719ac84540f4159dd9d4738575d2ab05e92c751a9b4b5f9b91b | — | |
hash35be1b070f06eb313c3cb818c74aa0a9c2d9f39a05621dac4de6cff6067a5d12 | — | |
hash371166ebd83e8318b49ba71321396524fbca7dc42fe1ca4badda8af794bf5a59 | — | |
hash5253e66f1f493c4e13539749f1aa86fd0c61e3072900fec29a44ba046a6d97e2 | — | |
hash60c730addd2a15e4213a1d37f55186686976de73a106317b5a258fe0121cfd5c | — | |
hash639430a33c0ecdf5a134501788a3a40f065ae4232efc66e1b82eca2b355e0606 | — | |
hash63c46b3c090a4b1efef146f2f1efc4f93d44f21db21d7825f43e02c3c5c89de6 | — | |
hash873011c181d00709fdf66f32bb3cca0c5ff3147d00ef818fef72987a6773ea66 | — | |
hashaefac65c42c0c72ed3e08b32774fa1b902f4fd1d53de189d50f38130cc357764 | — | |
hashc8695906dcefc64becb3123fa0a8058278c8c2f9c86130956b6b10d49c1a35dc | — |
Url
| Value | Description | Copy |
|---|---|---|
urlhttp://207.189.11.170/Bin/working_payload.cs | — |
Domain
| Value | Description | Copy |
|---|---|---|
domaincrestmarkhq.com | — | |
domainblog.derrspecial-onlinedmin.live | — | |
domainsubscription-magnetic-recommended-meat.trycloudflare.com | — | |
domainderrspecial-onlinedmin.live | — |
Threat ID: 6a7301c5bf8831d539a3dd23
Added to database: 08/05/2026, 09:26:29 UTC
Last enriched: 08/05/2026, 11:28:32 UTC
Last updated: 08/05/2026, 19:32:31 UTC
Views: 13
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