General

  • Target

    AimAssist.exe

  • Size

    839KB

  • Sample

    250101-zyebkstrdt

  • MD5

    9232f68810b230913f7b46b2db02d8a1

  • SHA1

    afece387cdf0f80acf98f57589234b584a8e13c4

  • SHA256

    8e2de94aa59d77bb4ba00b39e5b4dddf69321a558975388c666f51084339a03e

  • SHA512

    8169ccfd632b590040335c5b59db1a9a50d477795c4e00c49ba3b846e3d2cdc839e3cc2e3f2ebc8450d8f9bced96e596d11cd74cf5a789d29ba49476364f5488

  • SSDEEP

    24576:SxdS04YNEMuExDiU6E5R9s8xY/2l/d2tnIbt+r2:GP4auS+UjfU2T2dIbt+r

Malware Config

Extracted

Family

orcus

C2

3buy-response.gl.at.ply.gg

Mutex

20bafa3dc96e4ee8b82bbe11a3472987

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

    01/01/2025 13:05:49

  • plugins

    AgEAAA==

  • 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

      AimAssist.exe

    • Size

      839KB

    • MD5

      9232f68810b230913f7b46b2db02d8a1

    • SHA1

      afece387cdf0f80acf98f57589234b584a8e13c4

    • SHA256

      8e2de94aa59d77bb4ba00b39e5b4dddf69321a558975388c666f51084339a03e

    • SHA512

      8169ccfd632b590040335c5b59db1a9a50d477795c4e00c49ba3b846e3d2cdc839e3cc2e3f2ebc8450d8f9bced96e596d11cd74cf5a789d29ba49476364f5488

    • SSDEEP

      24576:SxdS04YNEMuExDiU6E5R9s8xY/2l/d2tnIbt+r2:GP4auS+UjfU2T2dIbt+r

    • Modifies WinLogon for persistence

    • Orcus

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

    • Orcus family

    • UAC bypass

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

MITRE ATT&CK Enterprise v15

Tasks