General

  • Target

    2025-01-15_783c6c51d2ea781d065bea1801241650_ismagent_ryuk_sliver

  • Size

    2.9MB

  • Sample

    250115-bzqt1aykdr

  • MD5

    783c6c51d2ea781d065bea1801241650

  • SHA1

    cdb67c19a6d4177aa51f3cda66e08026a90e27e6

  • SHA256

    55359047b2ba78d96cf00b4cd57445e7b68e7b0752f42a31805bf94f3f689ebf

  • SHA512

    318daceee5bcfebdf385759ada5eb6aa08189b810c49cb75809b0be16c770d924cd94808fbc011c103616bb3199f6768bf703f6d1128294196b1ff8776e3cf8e

  • SSDEEP

    49152:OiQagHg5EVhwQd+qrW+i1w+Tqc0KxZbDOCwMDbyeKw3FGMFvfjPW21I3iIJS:bg7hRdj9iMlHBSFBWZS

Malware Config

Extracted

Family

meshagent

Version

2

Botnet

RMMTest

C2

http://meshcentral.com:443/agent.ashx

Attributes
  • mesh_id

    0x36BCDD2BF134B3D2E0FF25BB329B4F57FF9F3B1CF6BE4AF56F50C0BC68C3113E24A5FA864D4BC9B58D873279FB76BA04

  • server_id

    D01B0463C0C9E38D81254F7B22DD4DAD848302AEF186BFCFF1D61F4F73846D6F8C8C94D01D3CF1EACA3836F8E5D316A4

  • wss

    wss://meshcentral.com:443/agent.ashx

Targets

    • Target

      2025-01-15_783c6c51d2ea781d065bea1801241650_ismagent_ryuk_sliver

    • Size

      2.9MB

    • MD5

      783c6c51d2ea781d065bea1801241650

    • SHA1

      cdb67c19a6d4177aa51f3cda66e08026a90e27e6

    • SHA256

      55359047b2ba78d96cf00b4cd57445e7b68e7b0752f42a31805bf94f3f689ebf

    • SHA512

      318daceee5bcfebdf385759ada5eb6aa08189b810c49cb75809b0be16c770d924cd94808fbc011c103616bb3199f6768bf703f6d1128294196b1ff8776e3cf8e

    • SSDEEP

      49152:OiQagHg5EVhwQd+qrW+i1w+Tqc0KxZbDOCwMDbyeKw3FGMFvfjPW21I3iIJS:bg7hRdj9iMlHBSFBWZS

    • Detects MeshAgent payload

    • MeshAgent

      MeshAgent is an open source remote access trojan written in C++.

    • Meshagent family

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks