General

  • Target

    JaffaCakes118_af78729c33017ef7ff7455db34c542ac

  • Size

    872KB

  • Sample

    250411-w5yr1sxkv9

  • MD5

    af78729c33017ef7ff7455db34c542ac

  • SHA1

    563a10172a1d0fbd6d78282432693f9d5b5d3584

  • SHA256

    1396a0b6696ab2c0df67e111ca920ebdaaed066a76c88d31dcc7eef4ab3bfcbe

  • SHA512

    6764bcb0def2594b0ce0fe7d9f2e37ae051e3002673bbfe2a5b557b582b7fbe4e7a8796c6fd39fde0d53153f6ca6016f8064b0bf3851c07df490463b19191139

  • SSDEEP

    24576:12sr/p9rBIOR1ML/AbT+BbcmRKSZX/9npoRs:Vrx9rXLM8bT+BbcmRJx/9poRs

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

jiggle.no-ip.info:1604

Mutex

DC_MUTEX-WVVCTHS

Attributes
  • InstallPath

    Windupdt\winupdate.exe

  • gencode

    Bb*XJWl$q$uY

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    winupdater

rc4.plain

Targets

    • Target

      JaffaCakes118_af78729c33017ef7ff7455db34c542ac

    • Size

      872KB

    • MD5

      af78729c33017ef7ff7455db34c542ac

    • SHA1

      563a10172a1d0fbd6d78282432693f9d5b5d3584

    • SHA256

      1396a0b6696ab2c0df67e111ca920ebdaaed066a76c88d31dcc7eef4ab3bfcbe

    • SHA512

      6764bcb0def2594b0ce0fe7d9f2e37ae051e3002673bbfe2a5b557b582b7fbe4e7a8796c6fd39fde0d53153f6ca6016f8064b0bf3851c07df490463b19191139

    • SSDEEP

      24576:12sr/p9rBIOR1ML/AbT+BbcmRKSZX/9npoRs:Vrx9rXLM8bT+BbcmRJx/9poRs

    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks