General

  • Target

    15b7e0abf99ca0d676029e8b22498209_JaffaCakes118

  • Size

    1.2MB

  • Sample

    240627-mwxc6axdme

  • MD5

    15b7e0abf99ca0d676029e8b22498209

  • SHA1

    81ddddb411c2e52c38756d2844b9697655884bb4

  • SHA256

    1b42202ece42ad388bfc7130f23945748a26ef286e8478e3f800d7f552fe340f

  • SHA512

    025330e1576eb9010f77df11404f984bebcfa7dbef3ec543bc6cfdcbb4c623495b4963c4c7e088dda418eb8b6c734e4b297f69d5668b38598310498b5ad346c4

  • SSDEEP

    24576:K9b43KRo7xvu2Ui+mBvqvtEWvRk8Ml6uOdbI:e4ay7xui/wRk9suQE

Malware Config

Extracted

Family

darkcomet

Botnet

Victim

C2

hackingrats.no-ip.biz:1604

Mutex

DCMIN_MUTEX-KXAVH1D

Attributes
  • InstallPath

    System32.exe

  • gencode

    DERuPJ12yzN9

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

Targets

    • Target

      15b7e0abf99ca0d676029e8b22498209_JaffaCakes118

    • Size

      1.2MB

    • MD5

      15b7e0abf99ca0d676029e8b22498209

    • SHA1

      81ddddb411c2e52c38756d2844b9697655884bb4

    • SHA256

      1b42202ece42ad388bfc7130f23945748a26ef286e8478e3f800d7f552fe340f

    • SHA512

      025330e1576eb9010f77df11404f984bebcfa7dbef3ec543bc6cfdcbb4c623495b4963c4c7e088dda418eb8b6c734e4b297f69d5668b38598310498b5ad346c4

    • SSDEEP

      24576:K9b43KRo7xvu2Ui+mBvqvtEWvRk8Ml6uOdbI:e4ay7xui/wRk9suQE

    • Darkcomet

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

    • Modifies WinLogon for persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scripting

1
T1064

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

2
T1112

Scripting

1
T1064

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks