General

  • Target

    06a15ab711359ca5c66335039793daaf_JaffaCakes118

  • Size

    770KB

  • Sample

    240429-c1hepaff38

  • MD5

    06a15ab711359ca5c66335039793daaf

  • SHA1

    95bd3194b060bc8e775e5bc0a76bc6dc0094a70b

  • SHA256

    f51a0aa16b0a033eaeb45e5bbea6b492b499a0af1404309882f333f18f4e890a

  • SHA512

    925fe2815b0ff212a26b1d1e63de27c44f83069c9a8b3643f114c28b9b6764ca867e5039324ca92174730f777dcd75e5f4f43b13583ff8ad599fbe810a58f998

  • SSDEEP

    12288:P9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9EkNC/B:5Z1xuVVjfFoynPaVBUR8f+kN10EdB

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

tihe17.zapto.org:8030

Mutex

DC_MUTEX-X1RN242

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    umehiZR0cf0n

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      06a15ab711359ca5c66335039793daaf_JaffaCakes118

    • Size

      770KB

    • MD5

      06a15ab711359ca5c66335039793daaf

    • SHA1

      95bd3194b060bc8e775e5bc0a76bc6dc0094a70b

    • SHA256

      f51a0aa16b0a033eaeb45e5bbea6b492b499a0af1404309882f333f18f4e890a

    • SHA512

      925fe2815b0ff212a26b1d1e63de27c44f83069c9a8b3643f114c28b9b6764ca867e5039324ca92174730f777dcd75e5f4f43b13583ff8ad599fbe810a58f998

    • SSDEEP

      12288:P9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9EkNC/B:5Z1xuVVjfFoynPaVBUR8f+kN10EdB

    • Andromeda family

    • Andromeda, Gamarue

      Andromeda, also known as Gamarue, is a modular botnet malware primarily used for distributing other types of malware and it's written in C++.

    • Darkcomet

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

    • Darkcomet family

    • Detects Andromeda payload.

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • Modifies security service

    • Windows security bypass

    • Adds policy Run key to start application

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • Maps connected drives based on registry

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks