General

  • Target

    JaffaCakes118_29e19f09a0b43ebfa84a1b537cf5b0ae

  • Size

    1.5MB

  • Sample

    250125-khh79svlgz

  • MD5

    29e19f09a0b43ebfa84a1b537cf5b0ae

  • SHA1

    2a6c5360663c5e3285c10fea9d1fe3fa13047ba4

  • SHA256

    9a585e42a4adc15b0629be04abc2dfe9f3f37a42b3453aec194a0610a7504fd8

  • SHA512

    966e94af55239ad0b6870960263260e9da264e01caefcbfc5993bba6c1d904075ae740e0d2f7b6cc4244520a39f4ba45079d3a9858516337b1c6a36a92f01bf4

  • SSDEEP

    24576:w8s+aoTZhS6E4Gj+nV+MmdbqlT51/4byNafFEOpf:w8nao3tAwUFJpf

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

dark01.zapto.org:1604

Mutex

DC_MUTEX-WKRE1E8

Attributes
  • InstallPath

    C:\Windows\Web1\microupdat.exe

  • gencode

    Ln98HlmhKhC9

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      JaffaCakes118_29e19f09a0b43ebfa84a1b537cf5b0ae

    • Size

      1.5MB

    • MD5

      29e19f09a0b43ebfa84a1b537cf5b0ae

    • SHA1

      2a6c5360663c5e3285c10fea9d1fe3fa13047ba4

    • SHA256

      9a585e42a4adc15b0629be04abc2dfe9f3f37a42b3453aec194a0610a7504fd8

    • SHA512

      966e94af55239ad0b6870960263260e9da264e01caefcbfc5993bba6c1d904075ae740e0d2f7b6cc4244520a39f4ba45079d3a9858516337b1c6a36a92f01bf4

    • SSDEEP

      24576:w8s+aoTZhS6E4Gj+nV+MmdbqlT51/4byNafFEOpf:w8nao3tAwUFJpf

    • 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

    • Identifies Wine through registry keys

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

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks