Resubmissions

13-01-2025 02:38

250113-c45dmavjfm 10

12-01-2025 13:28

250112-qqmtbawphp 10

Analysis

  • max time kernel
    897s
  • max time network
    898s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    13-01-2025 02:38

General

  • Target

    skibiditoilet.exe

  • Size

    839KB

  • MD5

    b44e34f9dbfc72cc87b0904c94ab4160

  • SHA1

    6511a3fbc77523fd489e09ec7dcd51eb421fd1eb

  • SHA256

    7013e54e6ea0cc2a6b3d3e4e043761692641e53cc630a907e859b50283350f7e

  • SHA512

    7d527fab4549cf4dcd25e301ab97fea66a6e5bc4e135e43d747ecdde7eb915fe7814c56211e49d8966e970fd4838386cbe771a2e89ca1d4acbcb4c65a95d20dd

  • SSDEEP

    24576:GFS04YNEMuExDiU6E5R9s8xY/2l/drtnIbt+ry:G34auS+UjfU2TrdIbt+r

Malware Config

Extracted

Family

orcus

C2

172.30.208.1

Mutex

1954bece99b7452980ab4ccdc7ef6efb

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

    01/12/2025 05:27:02

  • 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

Signatures

  • Orcus

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

  • Orcus family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\skibiditoilet.exe
    C:\Users\Admin\AppData\Local\Temp\skibiditoilet.exe cmd /c %SIGILL% "SIGTERM|DELETE|SIGKILL"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2464
    • C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2356

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe

    Filesize

    839KB

    MD5

    b44e34f9dbfc72cc87b0904c94ab4160

    SHA1

    6511a3fbc77523fd489e09ec7dcd51eb421fd1eb

    SHA256

    7013e54e6ea0cc2a6b3d3e4e043761692641e53cc630a907e859b50283350f7e

    SHA512

    7d527fab4549cf4dcd25e301ab97fea66a6e5bc4e135e43d747ecdde7eb915fe7814c56211e49d8966e970fd4838386cbe771a2e89ca1d4acbcb4c65a95d20dd

  • memory/2356-13-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2356-12-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2356-14-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2356-15-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2464-0-0x0000000074331000-0x0000000074332000-memory.dmp

    Filesize

    4KB

  • memory/2464-1-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2464-2-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2464-11-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB