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Overview

overview

10

Static

static

3

JaffaCakes...bd.exe

windows7-x64

10

JaffaCakes...bd.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_82d21484a9b96ff02e47ad1dfbe8a8bd

  • Size

    916KB

  • Sample

    250320-pjznvswny2

  • MD5

    82d21484a9b96ff02e47ad1dfbe8a8bd

  • SHA1

    7dd052f064c3ee8c6e74f4ac2e3469a41bc927a3

  • SHA256

    5a6d29d55afa18fc6ff4818877f74ab7d5182887a51c6e23b755c552a8d3440d

  • SHA512

    7bb1bdc4780b947612963060c2895c3f7d43ed9e1d37fb47fcc46d625c0ff53c2b7b0c9918b1b0410185575347749059a0031248b3fb85d8a6ec7ceb70908b1d

  • SSDEEP

    24576:9dFJ/ObGa/I0RwV94fCK/cRgOnmq9g6J5/Nd:Xf/i/I0CX4pcOU7m6Jvd

Score
10/10
darkcometguest16discoverypersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

os-update.serveftp.com:37751

Mutex

DC_MUTEX-EVGT2S6

Attributes
  • InstallPath

    config\restore\svchost.exe

  • gencode

    F��/Gg#dltm4

  • install

    true

  • offline_keylogger

    true

  • password

    2010R4t1337iHaVeFuN

  • persistence

    true

  • reg_key

    USB Mass-Storage Managment

rc4.plain

Extracted

Family

darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Targets

    • Target

      JaffaCakes118_82d21484a9b96ff02e47ad1dfbe8a8bd

    • Size

      916KB

    • MD5

      82d21484a9b96ff02e47ad1dfbe8a8bd

    • SHA1

      7dd052f064c3ee8c6e74f4ac2e3469a41bc927a3

    • SHA256

      5a6d29d55afa18fc6ff4818877f74ab7d5182887a51c6e23b755c552a8d3440d

    • SHA512

      7bb1bdc4780b947612963060c2895c3f7d43ed9e1d37fb47fcc46d625c0ff53c2b7b0c9918b1b0410185575347749059a0031248b3fb85d8a6ec7ceb70908b1d

    • SSDEEP

      24576:9dFJ/ObGa/I0RwV94fCK/cRgOnmq9g6J5/Nd:Xf/i/I0CX4pcOU7m6Jvd

    Score
    10/10
    darkcometguest16discoverypersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • Drops file in Drivers directory

    • 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.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks