General

  • Target

    JaffaCakes118_22fe23b07b4107b15c83376182bddb4b

  • Size

    268KB

  • Sample

    250225-16atsszq15

  • MD5

    22fe23b07b4107b15c83376182bddb4b

  • SHA1

    fe4efcc97c60539e039f854dc0007c5f88911093

  • SHA256

    82e7d365b90b48959719ab0848bff83015b3e86f06a05a3bed69af22d65af037

  • SHA512

    ccfd2f7f986420992ec8ee7719a6fafcf460a84b0a8a1554540914ee7784cc0d4064da45361f31b24ef8f1d5e994decd31a9efeee085b1efdd5986bd4078b72f

  • SSDEEP

    6144:C81+gFIaJKvf6XhgvtL5r2nL148zPNwjs+jed0G57Bjkc3e:GgfJK36VnR48z+c

Malware Config

Extracted

Family

darkcomet

Botnet

wow

C2

masiina.zapto.org:1605

Mutex

DC_MUTEX-M7ABLXH

Attributes
  • InstallPath

    Windupdt\winupdate.exe

  • gencode

    AXrYn3ttVRgY

  • install

    true

  • offline_keylogger

    false

  • persistence

    false

  • reg_key

    winupdater

rc4.plain

Extracted

Family

darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Targets

    • Target

      JaffaCakes118_22fe23b07b4107b15c83376182bddb4b

    • Size

      268KB

    • MD5

      22fe23b07b4107b15c83376182bddb4b

    • SHA1

      fe4efcc97c60539e039f854dc0007c5f88911093

    • SHA256

      82e7d365b90b48959719ab0848bff83015b3e86f06a05a3bed69af22d65af037

    • SHA512

      ccfd2f7f986420992ec8ee7719a6fafcf460a84b0a8a1554540914ee7784cc0d4064da45361f31b24ef8f1d5e994decd31a9efeee085b1efdd5986bd4078b72f

    • SSDEEP

      6144:C81+gFIaJKvf6XhgvtL5r2nL148zPNwjs+jed0G57Bjkc3e:GgfJK36VnR48z+c

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks