General
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Target
2025-01-15_783c6c51d2ea781d065bea1801241650_ismagent_ryuk_sliver
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Size
2.9MB
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Sample
250115-bzqt1aykdr
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MD5
783c6c51d2ea781d065bea1801241650
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SHA1
cdb67c19a6d4177aa51f3cda66e08026a90e27e6
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SHA256
55359047b2ba78d96cf00b4cd57445e7b68e7b0752f42a31805bf94f3f689ebf
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SHA512
318daceee5bcfebdf385759ada5eb6aa08189b810c49cb75809b0be16c770d924cd94808fbc011c103616bb3199f6768bf703f6d1128294196b1ff8776e3cf8e
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SSDEEP
49152:OiQagHg5EVhwQd+qrW+i1w+Tqc0KxZbDOCwMDbyeKw3FGMFvfjPW21I3iIJS:bg7hRdj9iMlHBSFBWZS
Behavioral task
behavioral1
Sample
2025-01-15_783c6c51d2ea781d065bea1801241650_ismagent_ryuk_sliver.exe
Resource
win7-20240903-en
Malware Config
Extracted
meshagent
2
RMMTest
http://meshcentral.com:443/agent.ashx
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mesh_id
0x36BCDD2BF134B3D2E0FF25BB329B4F57FF9F3B1CF6BE4AF56F50C0BC68C3113E24A5FA864D4BC9B58D873279FB76BA04
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server_id
D01B0463C0C9E38D81254F7B22DD4DAD848302AEF186BFCFF1D61F4F73846D6F8C8C94D01D3CF1EACA3836F8E5D316A4
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wss
wss://meshcentral.com:443/agent.ashx
Targets
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Target
2025-01-15_783c6c51d2ea781d065bea1801241650_ismagent_ryuk_sliver
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Size
2.9MB
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MD5
783c6c51d2ea781d065bea1801241650
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SHA1
cdb67c19a6d4177aa51f3cda66e08026a90e27e6
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SHA256
55359047b2ba78d96cf00b4cd57445e7b68e7b0752f42a31805bf94f3f689ebf
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SHA512
318daceee5bcfebdf385759ada5eb6aa08189b810c49cb75809b0be16c770d924cd94808fbc011c103616bb3199f6768bf703f6d1128294196b1ff8776e3cf8e
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SSDEEP
49152:OiQagHg5EVhwQd+qrW+i1w+Tqc0KxZbDOCwMDbyeKw3FGMFvfjPW21I3iIJS:bg7hRdj9iMlHBSFBWZS
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Detects MeshAgent payload
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Meshagent family
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Modifies Windows Firewall
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Sets service image path in registry
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1