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General

  • Target

    JaffaCakes118_682d584fa085351fcda9f5a68977f700

  • Size

    252KB

  • Sample

    250102-zmkdfsvpf1

  • MD5

    682d584fa085351fcda9f5a68977f700

  • SHA1

    5f9ff643597ebaf454027b485c3c0014a8b0930c

  • SHA256

    661fd0baa01726208477d594969c273dfe128348f4a37eb403f7c75b2be65812

  • SHA512

    5dacb6710c8b5cc42f873a90ccbd741420b59554bf987d8a30569c6cc52ec803adf8db76371ce2b3cd48c3c9edeeb3af576138d811e88e5220145a2a2dbab8a9

  • SSDEEP

    6144:gcNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0PHQ:gcWkbgTYWnYnt/IDYhP

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

pupka2101.ddns.net:1488

Mutex

DC_MUTEX-18HZMJJ

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    Xb7EjeBGNDeq

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      JaffaCakes118_682d584fa085351fcda9f5a68977f700

    • Size

      252KB

    • MD5

      682d584fa085351fcda9f5a68977f700

    • SHA1

      5f9ff643597ebaf454027b485c3c0014a8b0930c

    • SHA256

      661fd0baa01726208477d594969c273dfe128348f4a37eb403f7c75b2be65812

    • SHA512

      5dacb6710c8b5cc42f873a90ccbd741420b59554bf987d8a30569c6cc52ec803adf8db76371ce2b3cd48c3c9edeeb3af576138d811e88e5220145a2a2dbab8a9

    • SSDEEP

      6144:gcNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0PHQ:gcWkbgTYWnYnt/IDYhP

    • 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.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • 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