General

  • Target

    1bbc88529caf638cf60f3a41ce43584a520570787f0bba8311bc7d2f08cf22ea

  • Size

    20KB

  • Sample

    221019-gxw6wsfeak

  • MD5

    4eea37f9744cf0ac3892fb5bc8386f75

  • SHA1

    3d439ea9ef84d2728e02c3f373a77ab26d1554c6

  • SHA256

    1bbc88529caf638cf60f3a41ce43584a520570787f0bba8311bc7d2f08cf22ea

  • SHA512

    4a5cbfb32a2f27b7c3aca9d06c17c0f26be3503a84d34d860f501c8b3b1ac2382c97202556ea8e45b57d9d80a3006c2792f845df4c75456e688a6629e21f1cc7

  • SSDEEP

    384:MvEzJv2p/0zz35aAyWZUkTRUNtArOV/OYzcWBqNuhBnPka:zJup/0bdR+VWtWo4Pk

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

      1bbc88529caf638cf60f3a41ce43584a520570787f0bba8311bc7d2f08cf22ea

    • Size

      20KB

    • MD5

      4eea37f9744cf0ac3892fb5bc8386f75

    • SHA1

      3d439ea9ef84d2728e02c3f373a77ab26d1554c6

    • SHA256

      1bbc88529caf638cf60f3a41ce43584a520570787f0bba8311bc7d2f08cf22ea

    • SHA512

      4a5cbfb32a2f27b7c3aca9d06c17c0f26be3503a84d34d860f501c8b3b1ac2382c97202556ea8e45b57d9d80a3006c2792f845df4c75456e688a6629e21f1cc7

    • SSDEEP

      384:MvEzJv2p/0zz35aAyWZUkTRUNtArOV/OYzcWBqNuhBnPka:zJup/0bdR+VWtWo4Pk

    • 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.

    • 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