General

  • Target

    yes.exe.exe

  • Size

    251KB

  • Sample

    250330-sy3wlstpx5

  • MD5

    61c55a38fb0de6ab47ccf098c827f9aa

  • SHA1

    20593bb3d4b57ec87a3edb64d0492aa9dde3c259

  • SHA256

    28ee0c31b4b8c0f850efd6d49073e9f2735c7587b0099190f0ca7d668c59a398

  • SHA512

    e19cf44348ee6e3a3c55c5402c7c54dddedb0c8bccfeebf08aa49acf2393134c53d579521f9322461109747ea2f1e99fa4488f5e3e784324e425918f844b4ba5

  • SSDEEP

    6144:mcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37a:mcW7KEZlPzCy37

Malware Config

Extracted

Family

darkcomet

Botnet

gcplayer23

C2

4.tcp.eu.ngrok.io:19834

Mutex

GC_MUTEX-17DFY2D

Attributes
  • InstallPath

    Pekora\pekora.exe

  • gencode

    UuWZrVebAwmk

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    Pekora

rc4.plain

Targets

    • Target

      yes.exe.exe

    • Size

      251KB

    • MD5

      61c55a38fb0de6ab47ccf098c827f9aa

    • SHA1

      20593bb3d4b57ec87a3edb64d0492aa9dde3c259

    • SHA256

      28ee0c31b4b8c0f850efd6d49073e9f2735c7587b0099190f0ca7d668c59a398

    • SHA512

      e19cf44348ee6e3a3c55c5402c7c54dddedb0c8bccfeebf08aa49acf2393134c53d579521f9322461109747ea2f1e99fa4488f5e3e784324e425918f844b4ba5

    • SSDEEP

      6144:mcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37a:mcW7KEZlPzCy37

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • 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.

    • Executes dropped EXE

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks