General

  • Target

    JaffaCakes118_6d2ca378dca854f53ab93733bc6a66e0

  • Size

    1022KB

  • Sample

    250103-rerhss1jhj

  • MD5

    6d2ca378dca854f53ab93733bc6a66e0

  • SHA1

    faea17001089803c8cb4d5d0d972e80884638986

  • SHA256

    4b0f1329d7c4bd996157b31609646bc42335155b01d4458da058ef836604768e

  • SHA512

    961ddc6c0a9f9a4f77a5a16feee9519ed19a070db69f2569d3d434dc42b15ac38b6949029eb206d6b4666311459f1a0658d436eed40181aeb092e09ce6d464dc

  • SSDEEP

    24576:XA6tUdbj3z+q2R2Xh9LBu6CDLYS1eXZO+NJqoyhZBERuOZ:XAOUdbjz+q2cXhLu68LZ1eJOGyJEss

Malware Config

Extracted

Family

darkcomet

Botnet

JAVAappDrBy

C2

yolofu.zapto.org:1604

Mutex

DC_MUTEX-7GD0C71

Attributes
  • InstallPath

    Java\JavawsJRE06.exe

  • gencode

    jVbPS4va9ElN

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    JavaUpdater

Targets

    • Target

      JaffaCakes118_6d2ca378dca854f53ab93733bc6a66e0

    • Size

      1022KB

    • MD5

      6d2ca378dca854f53ab93733bc6a66e0

    • SHA1

      faea17001089803c8cb4d5d0d972e80884638986

    • SHA256

      4b0f1329d7c4bd996157b31609646bc42335155b01d4458da058ef836604768e

    • SHA512

      961ddc6c0a9f9a4f77a5a16feee9519ed19a070db69f2569d3d434dc42b15ac38b6949029eb206d6b4666311459f1a0658d436eed40181aeb092e09ce6d464dc

    • SSDEEP

      24576:XA6tUdbj3z+q2R2Xh9LBu6CDLYS1eXZO+NJqoyhZBERuOZ:XAOUdbjz+q2cXhLu68LZ1eJOGyJEss

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • Modifies security service

    • Windows security bypass

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks