General

  • Target

    20980da93a018ee5e8d8eb95bb21620244c4a7e56c92d8fc657f3fa9c58e4132

  • Size

    5.0MB

  • Sample

    241207-bez7yatkej

  • MD5

    b4df4594ac31598703ab5e52af43d8fd

  • SHA1

    89bee8739fefe1e10ba55dadbb0a17d83576eec4

  • SHA256

    20980da93a018ee5e8d8eb95bb21620244c4a7e56c92d8fc657f3fa9c58e4132

  • SHA512

    fe9983d88a855b4cbf4746c9b5cc197ca335d94246fdc86d09b7e2f369fa8e95bb6fe4101e51648e7dfb6b7afc02b59fd42c4bfa2498d1372a31ca01c439db19

  • SSDEEP

    24576:eEu4MROxnFe3idtrrcI0AilFEvxHPfmooN:eIMiwkrrcI0AilFEvxHP

Malware Config

Extracted

Family

orcus

Botnet

Test Hack

C2

127.0.0.1:10134

Mutex

de4e6099f84e48d89e40ea74092aa6a9

Attributes
  • autostart_method

    Registry

  • enable_keylogger

    true

  • install_path

    %programfiles%\HDAudioDriver\HDAudioDriver.exe

  • reconnect_delay

    10000

  • registry_keyname

    Realtek_audio_driver

  • taskscheduler_taskname

    Orcus

  • watchdog_path

    Temp\chrome.exe

Targets

    • Target

      20980da93a018ee5e8d8eb95bb21620244c4a7e56c92d8fc657f3fa9c58e4132

    • Size

      5.0MB

    • MD5

      b4df4594ac31598703ab5e52af43d8fd

    • SHA1

      89bee8739fefe1e10ba55dadbb0a17d83576eec4

    • SHA256

      20980da93a018ee5e8d8eb95bb21620244c4a7e56c92d8fc657f3fa9c58e4132

    • SHA512

      fe9983d88a855b4cbf4746c9b5cc197ca335d94246fdc86d09b7e2f369fa8e95bb6fe4101e51648e7dfb6b7afc02b59fd42c4bfa2498d1372a31ca01c439db19

    • SSDEEP

      24576:eEu4MROxnFe3idtrrcI0AilFEvxHPfmooN:eIMiwkrrcI0AilFEvxHP

    • Orcus

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

    • Orcus family

    • Orcus main payload

    • Orcurs Rat Executable

    • 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

MITRE ATT&CK Enterprise v15

Tasks