Analysis

  • max time kernel
    147s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2024 01:11

General

  • Target

    01d581ec0e1706d43ef5b9bda2282cd16d4949653b5a509a9d4c0e9846f3d977.exe

  • Size

    840KB

  • MD5

    252c8262d6f2d3c759bab26f372e7bb1

  • SHA1

    c35d6da0d530e81fcc214687801ca8feb983a9f2

  • SHA256

    01d581ec0e1706d43ef5b9bda2282cd16d4949653b5a509a9d4c0e9846f3d977

  • SHA512

    ab728d6e54b173e8e152c504e0afa6c0077781eb747b72e9b7e2b2b522bd963193b34b2127d841920de8c18a21003332ebb879a409604e9b02bee830717c6779

  • SSDEEP

    24576:Cj2S04YNEMuExDiU6E5R9s8xY/2l/d2N1Ibt+rk:CjS4auS+UjfU2Ti1Ibt+r

Malware Config

Extracted

Family

orcus

Botnet

Call of duty

C2

127.0.0.1

Mutex

b0863a91465746ef91e6f667359dac16

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

    12/23/2024 20:34:12

  • 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 42 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01d581ec0e1706d43ef5b9bda2282cd16d4949653b5a509a9d4c0e9846f3d977.exe
    "C:\Users\Admin\AppData\Local\Temp\01d581ec0e1706d43ef5b9bda2282cd16d4949653b5a509a9d4c0e9846f3d977.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1644
    • 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 SetWindowsHookEx
      PID:1568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    840KB

    MD5

    252c8262d6f2d3c759bab26f372e7bb1

    SHA1

    c35d6da0d530e81fcc214687801ca8feb983a9f2

    SHA256

    01d581ec0e1706d43ef5b9bda2282cd16d4949653b5a509a9d4c0e9846f3d977

    SHA512

    ab728d6e54b173e8e152c504e0afa6c0077781eb747b72e9b7e2b2b522bd963193b34b2127d841920de8c18a21003332ebb879a409604e9b02bee830717c6779

  • memory/1568-17-0x0000000074340000-0x0000000074A2E000-memory.dmp

    Filesize

    6.9MB

  • memory/1568-15-0x00000000001A0000-0x0000000000278000-memory.dmp

    Filesize

    864KB

  • memory/1568-14-0x0000000074340000-0x0000000074A2E000-memory.dmp

    Filesize

    6.9MB

  • memory/1568-18-0x0000000000580000-0x0000000000590000-memory.dmp

    Filesize

    64KB

  • memory/1568-19-0x0000000074340000-0x0000000074A2E000-memory.dmp

    Filesize

    6.9MB

  • memory/1644-2-0x0000000000300000-0x000000000030A000-memory.dmp

    Filesize

    40KB

  • memory/1644-3-0x0000000074340000-0x0000000074A2E000-memory.dmp

    Filesize

    6.9MB

  • memory/1644-4-0x0000000000330000-0x000000000037C000-memory.dmp

    Filesize

    304KB

  • memory/1644-7-0x0000000001F50000-0x0000000001F9E000-memory.dmp

    Filesize

    312KB

  • memory/1644-1-0x00000000008E0000-0x00000000009B8000-memory.dmp

    Filesize

    864KB

  • memory/1644-16-0x0000000074340000-0x0000000074A2E000-memory.dmp

    Filesize

    6.9MB

  • memory/1644-0-0x000000007434E000-0x000000007434F000-memory.dmp

    Filesize

    4KB