General

  • Target

    JaffaCakes118_46b0984dad30062f1ee1458aaee29b8c

  • Size

    1.2MB

  • Sample

    250128-encd1sxkbl

  • MD5

    46b0984dad30062f1ee1458aaee29b8c

  • SHA1

    da3d6ebae8eb813dbda3b0312483c328d7402c9e

  • SHA256

    33b4e64eb225f7f02e1c60121678b9e95525db968c366366840612420e4291b9

  • SHA512

    5f3b5981755a814d288a667cd8f6fdfb2656a75cdf65037ccc6f577810ac4abff8ff11154cc4defef8282d813c891336294806b00603bfef6cdf65be1b6a923b

  • SSDEEP

    24576:PqBAZ1xuVVjfFoynPaVBUR8f+kN10EB4GUqO2wRl8N:PhQDgok30jPvfRGN

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

chia.no-ip.org:1604

Mutex

DC_MUTEX-VLPA2AE

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    gtAUQ7AFg77z

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      JaffaCakes118_46b0984dad30062f1ee1458aaee29b8c

    • Size

      1.2MB

    • MD5

      46b0984dad30062f1ee1458aaee29b8c

    • SHA1

      da3d6ebae8eb813dbda3b0312483c328d7402c9e

    • SHA256

      33b4e64eb225f7f02e1c60121678b9e95525db968c366366840612420e4291b9

    • SHA512

      5f3b5981755a814d288a667cd8f6fdfb2656a75cdf65037ccc6f577810ac4abff8ff11154cc4defef8282d813c891336294806b00603bfef6cdf65be1b6a923b

    • SSDEEP

      24576:PqBAZ1xuVVjfFoynPaVBUR8f+kN10EB4GUqO2wRl8N:PhQDgok30jPvfRGN

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks