Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2024 01:23

General

  • Target

    c5c447a6588773bd4c9f8c9a078663b0b3f6d4c2036d1c2b983a39bca74c2775.exe

  • Size

    15.9MB

  • MD5

    13c37f5336c5b01da8a841d5d5ea5329

  • SHA1

    8db6b841dda79c0deb73f2a98ad0f331566afd38

  • SHA256

    c5c447a6588773bd4c9f8c9a078663b0b3f6d4c2036d1c2b983a39bca74c2775

  • SHA512

    1228b8bd532604621abc5aa1e51cd3a29d3c4b79c2e113d366e9276ffb8af98b61f97eda459468d23ef41ff14ae1d8e96627d86b43bab540bcf2fcb8a1435cd7

  • SSDEEP

    24576:tDPS04YNEMuExDiU6E5R9s8xY/2l/dVBFIbt+roULW:tDl4auS+UjfU2T3FIbt+rBLW

Malware Config

Extracted

Family

orcus

C2

147.185.221.23

communications-sugar.gl.at.ply.gg

Mutex

fa092d2d504a432b8068a82704f07227

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

    11/18/2024 13:11:11

  • plugins

    AgUFyfihswTdIPqEArukcmEdSF06Hw9CAFMAbwBEACAAUAByAG8AdABlAGMAdABpAG8AbgAHAzEALgAwAEEgNQA3ADEANwA3AGYAOQA2ADUANABhADAANAA2ADQANQA5ADgAZgBhADgANQA0ADMAZgAyAGIAYgAyADYANgA5AAEFl6aNkQPXkQKOmwKLvFcpr24sKCsVRABpAHMAYQBiAGwAZQAgAFcAZQBiAGMAYQBtACAATABpAGcAaAB0AHMABwMxAC4AMABBIDQAYwA4ADcAOQA3ADAAZQAzADUAMwA4ADQAOQBkAGIAYQBjADkAMgBhAGIAYQAxAGUAMwBmADgAYgBkADIAMQABAAAEBA==

  • 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 36 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c5c447a6588773bd4c9f8c9a078663b0b3f6d4c2036d1c2b983a39bca74c2775.exe
    "C:\Users\Admin\AppData\Local\Temp\c5c447a6588773bd4c9f8c9a078663b0b3f6d4c2036d1c2b983a39bca74c2775.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2396
    • 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
      PID:2876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    15.9MB

    MD5

    13c37f5336c5b01da8a841d5d5ea5329

    SHA1

    8db6b841dda79c0deb73f2a98ad0f331566afd38

    SHA256

    c5c447a6588773bd4c9f8c9a078663b0b3f6d4c2036d1c2b983a39bca74c2775

    SHA512

    1228b8bd532604621abc5aa1e51cd3a29d3c4b79c2e113d366e9276ffb8af98b61f97eda459468d23ef41ff14ae1d8e96627d86b43bab540bcf2fcb8a1435cd7

  • memory/2396-6-0x0000000000BE0000-0x0000000000BE8000-memory.dmp

    Filesize

    32KB

  • memory/2396-1-0x0000000000BF0000-0x0000000000CD6000-memory.dmp

    Filesize

    920KB

  • memory/2396-3-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/2396-4-0x0000000000B70000-0x0000000000BBC000-memory.dmp

    Filesize

    304KB

  • memory/2396-5-0x0000000000BC0000-0x0000000000BC8000-memory.dmp

    Filesize

    32KB

  • memory/2396-0-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

    Filesize

    4KB

  • memory/2396-9-0x0000000002150000-0x000000000219E000-memory.dmp

    Filesize

    312KB

  • memory/2396-2-0x00000000008D0000-0x00000000008DA000-memory.dmp

    Filesize

    40KB

  • memory/2396-16-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/2876-18-0x0000000000240000-0x0000000000326000-memory.dmp

    Filesize

    920KB

  • memory/2876-19-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/2876-17-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/2876-20-0x00000000003A0000-0x00000000003B0000-memory.dmp

    Filesize

    64KB

  • memory/2876-21-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB