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Overview

overview

10

Static

static

3

JaffaCakes...df.exe

windows7-x64

10

JaffaCakes...df.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_b65a19239c8c817b58566bdd61b42bdf

  • Size

    1.2MB

  • Sample

    250207-m7cswszmek

  • MD5

    b65a19239c8c817b58566bdd61b42bdf

  • SHA1

    a5714dde33b29ff4b46454e76332a8b7c5cb0b85

  • SHA256

    122fee30475c47117433e3883db850cda735623f2250a10dfe757b6d48f37364

  • SHA512

    f6c668716033d571ccd6ada91b48899e6d73bba9ae99964921eb2443838351ac5172874bc9bb4cb4686de2422789b179ac8900d896baa20cc7478b40da423016

  • SSDEEP

    12288:Xptm6IeQJGmdPjlEGgIJ1ud1fX/M1uVRK9DUCE9oNCXVP/a98dKybQYx9P35Bm7W:mRe6xhPudBUEVc9A9ogP5Uqj5cW/HO

Score
10/10
darkcometguest16discoverypersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Extracted

Family

darkcomet

Botnet

Guest16

C2

frazier.no-ip.biz:1604

Mutex

DC_MUTEX-DMX4QXN

Attributes
  • InstallPath

    Windupdt\widupdate.exe

  • gencode

    ldgecvQqy8.m

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    WINDUPDATE

rc4.plain

Targets

    • Target

      JaffaCakes118_b65a19239c8c817b58566bdd61b42bdf

    • Size

      1.2MB

    • MD5

      b65a19239c8c817b58566bdd61b42bdf

    • SHA1

      a5714dde33b29ff4b46454e76332a8b7c5cb0b85

    • SHA256

      122fee30475c47117433e3883db850cda735623f2250a10dfe757b6d48f37364

    • SHA512

      f6c668716033d571ccd6ada91b48899e6d73bba9ae99964921eb2443838351ac5172874bc9bb4cb4686de2422789b179ac8900d896baa20cc7478b40da423016

    • SSDEEP

      12288:Xptm6IeQJGmdPjlEGgIJ1ud1fX/M1uVRK9DUCE9oNCXVP/a98dKybQYx9P35Bm7W:mRe6xhPudBUEVc9A9ogP5Uqj5cW/HO

    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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks