General

  • Target
    2024-12-03_0aa9dc10bf05ec4c4d4b9baa5cbb6f1f_ismagent_ryuk_sliver
  • Size 2.9MB
  • Sample241203-cs4mysvnbz
  • SHA256 cfc9778f772c8c8daa33a520e3adbfa7fad6b33ee0d5dd104f5580eaf52eed82
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • meshagent

Version
  • 2

Botnet
  • test

C2
  • http://heimdall.hostedhero.com:443/agent.ashx

Attributes
  • mesh_id

    0x4E4070D78AFFA88AFDD57BD66456CDBE2034549498474E2723BF29A67E0608F067A66207C3C42FCD04E348988CD8E892

  • server_id

    316B450D4320A8D7AF354D9F06DF347C98693E4AA9014FC7CFEF9940F3F338B0853FADD2076DF2D06D5810331C87BF50

  • wss

    wss://heimdall.hostedhero.com:443/agent.ashx

Targets

    • Target
      2024-12-03_0aa9dc10bf05ec4c4d4b9baa5cbb6f1f_ismagent_ryuk_sliver
    • Size 2.9MB
    • SHA256 cfc9778f772c8c8daa33a520e3adbfa7fad6b33ee0d5dd104f5580eaf52eed82
    • MD5 SHA1 SHA512 SSDEEP
    • 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