General

  • Target

    JaffaCakes118_9457b2cd1a08799db8940186c5f31f53

  • Size

    912KB

  • Sample

    250329-xz62wazzcw

  • MD5

    9457b2cd1a08799db8940186c5f31f53

  • SHA1

    26c340f41fbac82e85a700a2fd02a66ad7118f24

  • SHA256

    f8382a87bb775e3292a331c9f8593f74f1ce79c779c6b9fc3b5880119e166f5c

  • SHA512

    b05f863884afca7940a163ce7658090e2cf10e906c2da1bb0ee262fb165086ac17c5429a2bf7bbd662f0693238e90f72af1edd7aaf46174184d8ca6c813a93ef

  • SSDEEP

    12288:Bsm6a+fi4vNVDEumHy9obTWAoCQNbo75lYzZ+IrlV/3oWoYAWgyMHC0L:Th+BvXuTbTWJNM7jYznj/PotAMi0L

Malware Config

Extracted

Family

darkcomet

Botnet

Mr.root

C2

linuxer.no-ip.org:8080

linuxer.no-ip.org:80

Mutex

DC_MUTEX-5YS10D7

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    13Q0YE0nY4ol

  • install

    true

  • offline_keylogger

    true

  • password

    study!@#

  • persistence

    false

  • reg_key

    MicroUpdate

rc4.plain

Targets

    • Target

      JaffaCakes118_9457b2cd1a08799db8940186c5f31f53

    • Size

      912KB

    • MD5

      9457b2cd1a08799db8940186c5f31f53

    • SHA1

      26c340f41fbac82e85a700a2fd02a66ad7118f24

    • SHA256

      f8382a87bb775e3292a331c9f8593f74f1ce79c779c6b9fc3b5880119e166f5c

    • SHA512

      b05f863884afca7940a163ce7658090e2cf10e906c2da1bb0ee262fb165086ac17c5429a2bf7bbd662f0693238e90f72af1edd7aaf46174184d8ca6c813a93ef

    • SSDEEP

      12288:Bsm6a+fi4vNVDEumHy9obTWAoCQNbo75lYzZ+IrlV/3oWoYAWgyMHC0L:Th+BvXuTbTWJNM7jYznj/PotAMi0L

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • 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

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks