General

  • Target

    JaffaCakes118_6b611399628e99e32f5c4ed6698253e0

  • Size

    364KB

  • Sample

    250103-kdmd5aymfp

  • MD5

    6b611399628e99e32f5c4ed6698253e0

  • SHA1

    9000900c74a0e82c259ef8af214efb3b476171de

  • SHA256

    d166a3aa09348eca634998bae4b1b9bde0410870cba8d12fedf2614c198c3e4e

  • SHA512

    a33cd9dfec5430d2690e2c06294b5e406beaf381372bab38ab1eae292f8e6da6fee339d340f4451506570ae8e01e43712efa0a52777196b8531efb1b7eaaaa22

  • SSDEEP

    6144:eh+er9dpspK7sBfFdpD6T9pmfEuiBFW067P96zeeNMrQ+UQ3KBPmLK/M7ZG+314W:cbpsDfpI9pmfjiBFvo6zLNCQ+IRmLKEj

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

192.168.1.58:1604

Mutex

DC_MUTEX-GDGY3D5

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    8vtRZKCLlXXw

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      JaffaCakes118_6b611399628e99e32f5c4ed6698253e0

    • Size

      364KB

    • MD5

      6b611399628e99e32f5c4ed6698253e0

    • SHA1

      9000900c74a0e82c259ef8af214efb3b476171de

    • SHA256

      d166a3aa09348eca634998bae4b1b9bde0410870cba8d12fedf2614c198c3e4e

    • SHA512

      a33cd9dfec5430d2690e2c06294b5e406beaf381372bab38ab1eae292f8e6da6fee339d340f4451506570ae8e01e43712efa0a52777196b8531efb1b7eaaaa22

    • SSDEEP

      6144:eh+er9dpspK7sBfFdpD6T9pmfEuiBFW067P96zeeNMrQ+UQ3KBPmLK/M7ZG+314W:cbpsDfpI9pmfjiBFvo6zLNCQ+IRmLKEj

    • 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

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks