General

  • Target

    138b682d76b3ec1a4a84406c3f6a0ee2da29bec0ae6feb6c05f7b6c8eb98b96f

  • Size

    845KB

  • Sample

    250117-bvn5lsylak

  • MD5

    87763ae22a66ea3276fe9b14d65725ea

  • SHA1

    908228d0bba0351a4c4bf25ab4ae2b41ed520f7d

  • SHA256

    138b682d76b3ec1a4a84406c3f6a0ee2da29bec0ae6feb6c05f7b6c8eb98b96f

  • SHA512

    fdf7ba8ebc84b8cb9e3fdaf34d5c035d3456cdc671a6cf0ea1774dc73f4931d95fcdbf25605991028f5236097af6484e2aa9679baf580c15ea982e14f31f30e4

  • SSDEEP

    24576:FvS04YNEMuExDiU6E5R9s8xY/2l/dHzIbt+ra:FF4auS+UjfU2THzIbt+r

Malware Config

Extracted

Family

orcus

C2

5.tcp.eu.ngrok.io

Mutex

c1334eeff3214c87b1304d7c8b23eddd

Attributes
  • administration_rights_required

    false

  • anti_debugger

    false

  • anti_tcp_analyzer

    false

  • antivm

    false

  • autostart_method

    1

  • change_creation_date

    false

  • force_installer_administrator_privileges

    false

  • hide_file

    false

  • install

    false

  • installation_folder

    %appdata%\Microsoft\Speech\AudioDriver.exe

  • installservice

    false

  • keylogger_enabled

    false

  • newcreationdate

    01/13/2025 10:04:41

  • plugins

    AgUFyfihswTdIPqEArukcmEdSF06Hw9CAFMAbwBEACAAUAByAG8AdABlAGMAdABpAG8AbgAHAzEALgAwAEEgYwAyADUAOAA0ADYAOAA1AGQAZQBlAGEANABkAGMANAA4ADcANQBmAGYAZABjADgAMQA2AGEAOAAxADMAMAAzAAEFl6aNkQPXkQKOmwKLvFcpr24sKCsVRABpAHMAYQBiAGwAZQAgAFcAZQBiAGMAYQBtACAATABpAGcAaAB0AHMABwMxAC4AMABBIGYAMQA5ADEAMwA3ADAAZgBhAGEAMwA4ADQANwBmADIAYgA2AGEAYwBiADIAMwA1ADgAZAA3AGQAOAA1ADQAOQABAAAEBA==

  • reconnect_delay

    10000

  • registry_autostart_keyname

    Audio HD Driver

  • registry_hidden_autostart

    false

  • set_admin_flag

    false

  • tasksch_name

    Audio HD Driver

  • tasksch_request_highest_privileges

    false

  • try_other_autostart_onfail

    false

aes.plain

Targets

    • Target

      138b682d76b3ec1a4a84406c3f6a0ee2da29bec0ae6feb6c05f7b6c8eb98b96f

    • Size

      845KB

    • MD5

      87763ae22a66ea3276fe9b14d65725ea

    • SHA1

      908228d0bba0351a4c4bf25ab4ae2b41ed520f7d

    • SHA256

      138b682d76b3ec1a4a84406c3f6a0ee2da29bec0ae6feb6c05f7b6c8eb98b96f

    • SHA512

      fdf7ba8ebc84b8cb9e3fdaf34d5c035d3456cdc671a6cf0ea1774dc73f4931d95fcdbf25605991028f5236097af6484e2aa9679baf580c15ea982e14f31f30e4

    • SSDEEP

      24576:FvS04YNEMuExDiU6E5R9s8xY/2l/dHzIbt+ra:FF4auS+UjfU2THzIbt+r

    • Orcus

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

    • Orcus family

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks