Resubmissions

06/02/2025, 15:08

250206-sh2zdazphq 10

05/02/2025, 17:02

250205-vkh1dsvrgs 10

General

  • Target

    JaffaCakes118_a1cbb38a007ac7d907a657370e4d81d3

  • Size

    283KB

  • Sample

    250206-sh2zdazphq

  • MD5

    a1cbb38a007ac7d907a657370e4d81d3

  • SHA1

    743fe5c1b7056e358a6c84db5ad1b214e002fb81

  • SHA256

    77f4ac865a0c893d1667f97795899264be2b7f16e00ef4134b01873d29438903

  • SHA512

    9fcd8f989656ce3d6d11efa31821e32f42fda2da39adfc26f13c3d811444d73f5ea82edad8c43d6f3b2944a6d0f88da2672db85896855f01f5ab12988d9a44cf

  • SSDEEP

    6144:ZcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37P:ZcW7KEZlPzCy37P

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

ultrakrautlp.zapto.org:1604

Mutex

DC_MUTEX-45WQE80

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    woj8h9nkwYmm

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Extracted

Family

latentbot

C2

ultrakrautlp.zapto.org

Targets

    • Target

      JaffaCakes118_a1cbb38a007ac7d907a657370e4d81d3

    • Size

      283KB

    • MD5

      a1cbb38a007ac7d907a657370e4d81d3

    • SHA1

      743fe5c1b7056e358a6c84db5ad1b214e002fb81

    • SHA256

      77f4ac865a0c893d1667f97795899264be2b7f16e00ef4134b01873d29438903

    • SHA512

      9fcd8f989656ce3d6d11efa31821e32f42fda2da39adfc26f13c3d811444d73f5ea82edad8c43d6f3b2944a6d0f88da2672db85896855f01f5ab12988d9a44cf

    • SSDEEP

      6144:ZcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37P:ZcW7KEZlPzCy37P

    • Darkcomet

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

    • Darkcomet family

    • LatentBot

      Modular trojan written in Delphi which has been in-the-wild since 2013.

    • Latentbot family

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • Modifies security service

    • Windows security bypass

    • 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

    • Windows security modification

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks