General

  • Target

    JaffaCakes118_e5e2de0b54198927095257559951f3ea

  • Size

    512KB

  • Sample

    250211-nmc4lawqhk

  • MD5

    e5e2de0b54198927095257559951f3ea

  • SHA1

    7e2ec354519ca6a919921af069bcab31f8b2dd8f

  • SHA256

    0222e993e2a3e87c8fa307929beabe1adbb030741a39e18dd1566f00119020bb

  • SHA512

    ead4c60b913d276d4d38ae4f7546993fa93c628896fcf03f2471d6b010df8ad36c1dc2e493632cbe964414f06f11dd7ae735abd85bdd1eab098412d0098b08a4

  • SSDEEP

    12288:/iAZGnohx2PV9ZxmivPJwFBkhMKWoavG+npv3wF:D4noP2PVT20aKW7/p

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

moehome.dyndns.org:5110

Mutex

DC_MUTEX-TLZYZE5

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    H7/9yyUnQTfL

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

Targets

    • Target

      JaffaCakes118_e5e2de0b54198927095257559951f3ea

    • Size

      512KB

    • MD5

      e5e2de0b54198927095257559951f3ea

    • SHA1

      7e2ec354519ca6a919921af069bcab31f8b2dd8f

    • SHA256

      0222e993e2a3e87c8fa307929beabe1adbb030741a39e18dd1566f00119020bb

    • SHA512

      ead4c60b913d276d4d38ae4f7546993fa93c628896fcf03f2471d6b010df8ad36c1dc2e493632cbe964414f06f11dd7ae735abd85bdd1eab098412d0098b08a4

    • SSDEEP

      12288:/iAZGnohx2PV9ZxmivPJwFBkhMKWoavG+npv3wF:D4noP2PVT20aKW7/p

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Downloads MZ/PE file

    • 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

    • 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