General

  • Target

    75b7e4f3b01e4cd62a83ed1aca10e497_JaffaCakes118

  • Size

    503KB

  • Sample

    241025-b6zqgs1hna

  • MD5

    75b7e4f3b01e4cd62a83ed1aca10e497

  • SHA1

    6647e17778fec92a27d34caa7e8f0015ac602a98

  • SHA256

    c60d84e06944cfe3219b64107d04608960a4fc2cf6abe4763f13bb1fa46903d7

  • SHA512

    97b5304f058265ede2679ce80dec3fd9224a18a4a32aaf822d3a48d26d361f0cfbdf9e9c1997d65c419e834e5c1aa3a3c8e61fae45106f30df0e8ee3c5fd1ffa

  • SSDEEP

    12288:5HGC8w0ueY7YZzU4LAsLrYpKCEgplake5NhitJE95bf:wC8wfzqUsLrYppEaYv5b8WHbf

Malware Config

Extracted

Family

darkcomet

Botnet

Îëîëîëüêà

C2

mrserv.zapto.org:1604

Mutex

DC_MUTEX-9GC1VMQ

Attributes
  • InstallPath

    M4DCSC\msdcsc.exe

  • gencode

    bWcbqcPSQhbp

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    WinUpdate

Targets

    • Target

      75b7e4f3b01e4cd62a83ed1aca10e497_JaffaCakes118

    • Size

      503KB

    • MD5

      75b7e4f3b01e4cd62a83ed1aca10e497

    • SHA1

      6647e17778fec92a27d34caa7e8f0015ac602a98

    • SHA256

      c60d84e06944cfe3219b64107d04608960a4fc2cf6abe4763f13bb1fa46903d7

    • SHA512

      97b5304f058265ede2679ce80dec3fd9224a18a4a32aaf822d3a48d26d361f0cfbdf9e9c1997d65c419e834e5c1aa3a3c8e61fae45106f30df0e8ee3c5fd1ffa

    • SSDEEP

      12288:5HGC8w0ueY7YZzU4LAsLrYpKCEgplake5NhitJE95bf:wC8wfzqUsLrYppEaYv5b8WHbf

    • Darkcomet

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

    • Modifies WinLogon for persistence

    • Modifies security service

    • 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

    • Loads dropped DLL

    • Adds Run key to start application

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks