General

  • Target
    documents.bat
  • Size 2KB
  • Sample260910-g173kassfx
  • SHA256 257e4a96c2cb5dc43e13a2e51d4a125974f91381f2fc0f23bceb75804c77d442
  • MD5 SHA1 SHA512 TLSH

Malware Config

Extracted

Family
  • meshagent

Version
  • 2

Botnet
  • Anon

C2
  • http://pro.docsupdates.com:443/agent.ashx

Attributes
  • mesh_id

    0x0AC694DACD8A806318238C10609F04C742E733C34A20E3E7B1294305847AB8E69261C3D8CE59AFF8486F5A6EA644108C

  • server_id

    FC480CDE5A5133AADFDCC25AF817C744D126C80A6D2F71AD839EDF5684A37BDE87AAD23720518285EE49EE13E5911263

  • wss

    wss://pro.docsupdates.com:443/agent.ashx

Targets

    • Target
      documents.bat
    • Size 2KB
    • SHA256 257e4a96c2cb5dc43e13a2e51d4a125974f91381f2fc0f23bceb75804c77d442
    • MD5 SHA1 SHA512 TLSH
    • Detects MeshAgent payload

    • Family: MeshAgent

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

    • 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 v16

Tasks