Overview

overview

10

Static

static

3

JaffaCakes...29.exe

windows10-2004-x64

10

JaffaCakes...29.exe

windows11-21h2-x64

10

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General

  • Target

    JaffaCakes118_ba1a32fd54153aab9179ec37f1967729

  • Size

    336KB

  • Sample

    250415-vyjh3synx9

  • MD5

    ba1a32fd54153aab9179ec37f1967729

  • SHA1

    32b716bd80641f6000eb1ee0f167021dd27699d9

  • SHA256

    b6dad4fb20fa3016a09a5fb5f8b81be15090ec4c4315ad1c57699bced67e5808

  • SHA512

    149fc586ea1e452cba3914503fcbc7e3ca0170425f58be087412fd8a87fbf4bbbe7858ab4f51073c33309e05a9f63aadf90c357fecb894daf9a14f99bdad84d0

  • SSDEEP

    6144:3QhNn/UqgLbGZJ7nislMrZAckccHg5LCFukA1YnFug0ma+jmvUBE1F/di:3gqunin1ApLApCFp5nF4+je1lM

Score
10/10
darkcometguest1discoverypersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest1

C2

cantaprova1.no-ip.biz:1604

Mutex

DC_MUTEX-ZDTZ2AL

Attributes
  • InstallPath

    Windupdt\winupdate.exe

  • gencode

    k=s2P0je-Z=n

  • install

    true

  • offline_keylogger

    true

  • password

    123456

  • persistence

    true

  • reg_key

    winupdater

rc4.plain

Targets

    • Target

      JaffaCakes118_ba1a32fd54153aab9179ec37f1967729

    • Size

      336KB

    • MD5

      ba1a32fd54153aab9179ec37f1967729

    • SHA1

      32b716bd80641f6000eb1ee0f167021dd27699d9

    • SHA256

      b6dad4fb20fa3016a09a5fb5f8b81be15090ec4c4315ad1c57699bced67e5808

    • SHA512

      149fc586ea1e452cba3914503fcbc7e3ca0170425f58be087412fd8a87fbf4bbbe7858ab4f51073c33309e05a9f63aadf90c357fecb894daf9a14f99bdad84d0

    • SSDEEP

      6144:3QhNn/UqgLbGZJ7nislMrZAckccHg5LCFukA1YnFug0ma+jmvUBE1F/di:3gqunin1ApLApCFp5nF4+je1lM

    Score
    10/10
    darkcometguest1discoverypersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Maps connected drives based on registry

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

    • Drops file in System32 directory

    • 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