General

  • Target

    JaffaCakes118_64a9f6a45ed94db7d8dfefba95c41de0

  • Size

    385KB

  • Sample

    250102-naxbpsskel

  • MD5

    64a9f6a45ed94db7d8dfefba95c41de0

  • SHA1

    c0d1cff470733f2020dcdf15b79c666ea8ddf9e0

  • SHA256

    0c4e9477ef7584816fd3b90d5ad8b3c8bc65bd5aa3fffe848b79f286257c4ac8

  • SHA512

    dccf91a636b1ffb3426436634d92115b1702b415dd52328ae2e4c210c86de82a0df592dfe8aa5fa002a16a6fb8544ec46d92976cc873e6b3f851e22152419991

  • SSDEEP

    6144:ycNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37RtGj1OhH4BKdy8gPX:ycW7KEZlPzCy37PYgHeUy8g

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

game.servehttp.com:1604

game.servehttp.com:1605

Mutex

DC_MUTEX-GDLX7NM

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    FgD3os4239TA

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      JaffaCakes118_64a9f6a45ed94db7d8dfefba95c41de0

    • Size

      385KB

    • MD5

      64a9f6a45ed94db7d8dfefba95c41de0

    • SHA1

      c0d1cff470733f2020dcdf15b79c666ea8ddf9e0

    • SHA256

      0c4e9477ef7584816fd3b90d5ad8b3c8bc65bd5aa3fffe848b79f286257c4ac8

    • SHA512

      dccf91a636b1ffb3426436634d92115b1702b415dd52328ae2e4c210c86de82a0df592dfe8aa5fa002a16a6fb8544ec46d92976cc873e6b3f851e22152419991

    • SSDEEP

      6144:ycNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37RtGj1OhH4BKdy8gPX:ycW7KEZlPzCy37PYgHeUy8g

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • Modifies security service

    • Windows security bypass

    • Disables RegEdit 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

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks