Overview

overview

10

Static

static

5

9efca807cb...18.exe

windows7-x64

10

9efca807cb...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9efca807cb8d8779e6e3805f23163150_JaffaCakes118

  • Size

    744KB

  • Sample

    241126-bkdwwswmbx

  • MD5

    9efca807cb8d8779e6e3805f23163150

  • SHA1

    c17164df6305b3a73b049f955414d0422a3cbc8b

  • SHA256

    0791d1be1634b976961b378918d11dca6262d1812ef9c449e8096c2cfb087f0e

  • SHA512

    5318d857e165a5b8005d72e04bcc6af2de4e58bf6369a9e9df1ab5858f475ef96b6bb26a9b72b3387517d119341b666ea84cbe7ffdaa119d85b341310c403911

  • SSDEEP

    12288:DeIEQIo9eetAPGVa/PmRiCw36khpDWnfYqIh4HzrXG8et7BSYFuDZ2xbUHaYa34b:DemIo9eetASa/PNokrDWfFsaoNFuDool

Score
10/10
darkcomet123discoverypersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

123

C2

31.193.15.146:4444

Mutex

DC_MUTEX-VXUMNCN

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    oVyAbwnA4ehh

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      9efca807cb8d8779e6e3805f23163150_JaffaCakes118

    • Size

      744KB

    • MD5

      9efca807cb8d8779e6e3805f23163150

    • SHA1

      c17164df6305b3a73b049f955414d0422a3cbc8b

    • SHA256

      0791d1be1634b976961b378918d11dca6262d1812ef9c449e8096c2cfb087f0e

    • SHA512

      5318d857e165a5b8005d72e04bcc6af2de4e58bf6369a9e9df1ab5858f475ef96b6bb26a9b72b3387517d119341b666ea84cbe7ffdaa119d85b341310c403911

    • SSDEEP

      12288:DeIEQIo9eetAPGVa/PmRiCw36khpDWnfYqIh4HzrXG8et7BSYFuDZ2xbUHaYa34b:DemIo9eetASa/PNokrDWfFsaoNFuDool

    Score
    10/10
    darkcomet123discoverypersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks