General

  • Target

    JaffaCakes118_1330404a01ed0be4dbb098c6ce929465

  • Size

    297KB

  • Sample

    250221-rmgcssvnz8

  • MD5

    1330404a01ed0be4dbb098c6ce929465

  • SHA1

    5d0df683a34f5c3af4737fd98b578bfd2aa32f04

  • SHA256

    53dcf9dd2e82a43ee91e012e59ae8c8f97765b6eee29102c78850b6969d463b9

  • SHA512

    1f3fe4b55e2bb8528778802ad1e46249de03040eb84d2ebd70420f682cead736707f300f5db8a400bcc1e9613cd5c0bbb2606f9207460fc507a4038f015e47ef

  • SSDEEP

    6144:DUAJbFWp9I4iJsxHFYMIehIKXNLNEvcV07TQgVniOn9XNnADRh8AknuXN4uikA:DUObFi9IgxHF1IQFdLW7TQghhn9X9ADo

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

pirata88.no-ip.biz:1604

Mutex

DC_MUTEX-F54S21D

Attributes
  • InstallPath

    Windupdt\winupdate.exe

  • gencode

    ��wa.ptyRBut

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    winupdater

rc4.plain

Targets

    • Target

      JaffaCakes118_1330404a01ed0be4dbb098c6ce929465

    • Size

      297KB

    • MD5

      1330404a01ed0be4dbb098c6ce929465

    • SHA1

      5d0df683a34f5c3af4737fd98b578bfd2aa32f04

    • SHA256

      53dcf9dd2e82a43ee91e012e59ae8c8f97765b6eee29102c78850b6969d463b9

    • SHA512

      1f3fe4b55e2bb8528778802ad1e46249de03040eb84d2ebd70420f682cead736707f300f5db8a400bcc1e9613cd5c0bbb2606f9207460fc507a4038f015e47ef

    • SSDEEP

      6144:DUAJbFWp9I4iJsxHFYMIehIKXNLNEvcV07TQgVniOn9XNnADRh8AknuXN4uikA:DUObFi9IgxHF1IQFdLW7TQghhn9X9ADo

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks