Overview

overview

10

Static

static

3

51e484f48c...18.exe

windows7-x64

10

51e484f48c...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    51e484f48c53a7f1b58799c42b993240_JaffaCakes118
  • Size 297KB
  • Sample240717-hnreqasfqd
  • SHA256 19b437826ddb874db0fabf13412ac7719a14cbba2903a828f9c148ba7cd96eea
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
darkcomettargetsevasionpersistencerattrojanupx

Malware Config

Extracted

Family

  • darkcomet

Botnet

  • TARGETS

C2

  • darkjordan.zapto.org:99

Mutex

  • DC_MUTEX-4HRQL7S

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    6JAyfX7jmXyP

  • install

    true

  • offline_keylogger

    true

  • password

    1983

  • persistence

    false

  • reg_key

    MicroUpdate

Extracted

Family

  • darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

Targets

    • Target
      51e484f48c53a7f1b58799c42b993240_JaffaCakes118
    • Size 297KB
    • SHA256 19b437826ddb874db0fabf13412ac7719a14cbba2903a828f9c148ba7cd96eea
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    darkcomettargetsevasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks