General

  • Target

    3d8c4196a887f0056103f09ca6717826.exe

  • Size

    20KB

  • Sample

    221019-h5htxafegr

  • MD5

    3d8c4196a887f0056103f09ca6717826

  • SHA1

    b8993d7cdeab70f1775f486837ae671ed3cce456

  • SHA256

    aa9deb2a1d67a4e73e7419b86535f1197dc8b7ffebdd392fb35f7c10d92b9dc1

  • SHA512

    88c8ccad020ea479b7eba1dd4b4b8e86ac13485c79f41ef39f552b58819fb70d6a75e339ebf9cea8a06d7e5ab4dd775081da91ce46a5f952453ce4471b6a2d22

  • SSDEEP

    384:MntlikEpJ6xs9oNUhW2Ob0JaMRPJFInKZBsgbN1aO9sdBnfk7:MntZ0fyb0JpEalpv6nfk

Malware Config

Extracted

Family

quasar

Version

1.4.0

Botnet

SKYNET

C2

173.225.115.99:7702

Mutex

938cda17-a814-4925-8420-83a35a350164

Attributes
  • encryption_key

    F04A75E6507173FAEEC2BB82C564030A5E8413FF

  • install_name

    FileHistory.exe

  • log_directory

    Logs

  • reconnect_delay

    4000

  • startup_key

    FileHistory

  • subdirectory

    FileHistory

Extracted

Family

orcus

C2

146.70.143.176:81

Mutex

712d31c7a3f54904a08d968a15b836e9

Attributes
  • autostart_method

    Registry

  • enable_keylogger

    false

  • install_path

    %programfiles%\orc\orc.exe

  • reconnect_delay

    10000

  • registry_keyname

    orc

  • taskscheduler_taskname

    orc

  • watchdog_path

    AppData\Watchdog.exe

Targets

    • Target

      3d8c4196a887f0056103f09ca6717826.exe

    • Size

      20KB

    • MD5

      3d8c4196a887f0056103f09ca6717826

    • SHA1

      b8993d7cdeab70f1775f486837ae671ed3cce456

    • SHA256

      aa9deb2a1d67a4e73e7419b86535f1197dc8b7ffebdd392fb35f7c10d92b9dc1

    • SHA512

      88c8ccad020ea479b7eba1dd4b4b8e86ac13485c79f41ef39f552b58819fb70d6a75e339ebf9cea8a06d7e5ab4dd775081da91ce46a5f952453ce4471b6a2d22

    • SSDEEP

      384:MntlikEpJ6xs9oNUhW2Ob0JaMRPJFInKZBsgbN1aO9sdBnfk7:MntZ0fyb0JpEalpv6nfk

    • Orcus

      Orcus is a Remote Access Trojan that is being sold on underground forums.

    • Orcus main payload

    • PlagueBot

      PlagueBot is an open source Bot written in Pascal.

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Orcurs Rat Executable

    • PlagueBot Executable

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Loads dropped DLL

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks