Overview

overview

10

Static

static

10

jaffacakes...ff.exe

windows10-2004-x64

10

jaffacakes...ff.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    jaffacakes118__284697566f68c1ccad1aae644a5c91ff
  • Size 331KB
  • Sample260920-15bdya1v5k
  • SHA256 d9a1b6c3eed705cddfbb0db178c75e9c7b6b5872a9ce3f8f31b1947b8fff86d7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
darkcometguest16discoverypersistencerattrojanupx

Malware Config

Extracted

Family

  • darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Extracted

Family

  • darkcomet

Botnet

  • Guest16

C2

  • valootrg.no-ip.biz:1600

Mutex

  • DC_MUTEX-F54S21D

Attributes
  • InstallPath

    Windupdt\winupdate.exe

  • gencode

    nc0er�exezjS

  • install

    true

  • offline_keylogger

    true

  • password

    sizar1

  • persistence

    true

  • reg_key

    winupdater

rc4.plain

Targets

    • Target
      jaffacakes118__284697566f68c1ccad1aae644a5c91ff
    • Size 331KB
    • SHA256 d9a1b6c3eed705cddfbb0db178c75e9c7b6b5872a9ce3f8f31b1947b8fff86d7
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    guest16discoverydarkcometpersistencerattrojanupx

    • Family: Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks