General

  • Target

    2024-12-03_0aa9dc10bf05ec4c4d4b9baa5cbb6f1f_ismagent_ryuk_sliver

  • Size

    2.9MB

  • Sample

    241203-cs4mysvnbz

  • MD5

    0aa9dc10bf05ec4c4d4b9baa5cbb6f1f

  • SHA1

    6f157cb52d687a9b960bf67aa2448fc7e5d2db17

  • SHA256

    cfc9778f772c8c8daa33a520e3adbfa7fad6b33ee0d5dd104f5580eaf52eed82

  • SHA512

    cb36426922341cf3586caa15cbf05982df8ed9df4cc4faccb1c9ac4e3c193a17ac04cc4c0987bcf6f6223c07e6ff3055be3d1d00b963fb65495887916179e13d

  • SSDEEP

    49152:iiQagHg5EVhwQd+qrW+i1w+Tqc0KxZbDOCwMDbyeKw3FGMFvfjPW21I3iIJn:3g7hRdj9iMlHBSFBWZn

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

    • MD5

      0aa9dc10bf05ec4c4d4b9baa5cbb6f1f

    • SHA1

      6f157cb52d687a9b960bf67aa2448fc7e5d2db17

    • SHA256

      cfc9778f772c8c8daa33a520e3adbfa7fad6b33ee0d5dd104f5580eaf52eed82

    • SHA512

      cb36426922341cf3586caa15cbf05982df8ed9df4cc4faccb1c9ac4e3c193a17ac04cc4c0987bcf6f6223c07e6ff3055be3d1d00b963fb65495887916179e13d

    • SSDEEP

      49152:iiQagHg5EVhwQd+qrW+i1w+Tqc0KxZbDOCwMDbyeKw3FGMFvfjPW21I3iIJn:3g7hRdj9iMlHBSFBWZn

    • 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