Overview

overview

10

Static

static

7

c7f7a3ce2f...18.exe

windows7-x64

10

c7f7a3ce2f...18.exe

windows10-2004-x64

7

Sharing

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General

  • Target
    c7f7a3ce2f13b2110b9ced3c44775b49_JaffaCakes118
  • Size 2.4MB
  • Sample240829-bfpslawbra
  • SHA256 b3c24440e8a615e39b07287077a8738137b32af928ab29a86d987e5c46683bae
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
darkcometguest16discoveryevasionpersistenceratthemidatrojan

Malware Config

Extracted

Family

  • darkcomet

Botnet

  • Guest16

C2

  • agmal.no-ip.org:1604

  • someonei.zapto.org:1604

Mutex

  • DC_MUTEX-GYTAZX5

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    AFnDPolBwqpY

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    crss

Targets

    • Target
      c7f7a3ce2f13b2110b9ced3c44775b49_JaffaCakes118
    • Size 2.4MB
    • SHA256 b3c24440e8a615e39b07287077a8738137b32af928ab29a86d987e5c46683bae
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    darkcometguest16discoveryevasionpersistenceratthemidatrojan

    • Darkcomet

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

      trojanratdarkcomet

    • 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.

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

      evasion

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks