Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-02-2025 01:13

General

  • Target

    9eb8fe85ddbd493a9fcbef3334d8b2dad30f43fb4c5c5920eef8a8ff2ca2845d.exe

  • Size

    1.4MB

  • MD5

    dd926588433da13d449e992412b2dd6b

  • SHA1

    5c959d0eb6ce0f815c1cf5bfba872e6dd08f19de

  • SHA256

    9eb8fe85ddbd493a9fcbef3334d8b2dad30f43fb4c5c5920eef8a8ff2ca2845d

  • SHA512

    351d80925cf934cb6673b767761cb6d4b5b4d5a4ac9066a428b59b4d5657ba69a406fd1d5e12981c7450c35f072ef05c9419b9cb1a76f238e31ef92fa0f16bbd

  • SSDEEP

    24576:DFpMS04YNEMuExDiU6E5R9s8xY/2l/d0J5dtsPxNGfNZIbt+rr8m3c:DFpk4auS+UjfU2Tg5XDnIbt+rQm3

Malware Config

Extracted

Family

orcus

C2

192.168.10.8

Mutex

2909df20f41d462e9c071227f270d9c7

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

    02/18/2025 19:42:27

  • plugins

    AgUFl6aNkQPXkQKOmwKLvFcpr24sKCsVRABpAHMAYQBiAGwAZQAgAFcAZQBiAGMAYQBtACAATABpAGcAaAB0AHMABwMxAC4AMABBIGMAMwBhAGIAOABjADIANAA0ADkANAA4ADQANwAzADAAYgA0AGIAOAA3AGUAMABjADMAYgAzADAAZgA0ADIAYQABBcjswb8CldcC3rcCqMa3DYpVf2wVCkcAYQBtAGUAcgAgAFYAaQBlAHcABwMxAC4AMgBBIDYANQBkADIANQBmADQAMwBkADUAYgA5ADQANAA3ADEAOQBmAGEAMAAxAGEANwBmAGEAMwAxAGQAOQAwAGMAMAACAAAEBA==

  • 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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9eb8fe85ddbd493a9fcbef3334d8b2dad30f43fb4c5c5920eef8a8ff2ca2845d.exe
    "C:\Users\Admin\AppData\Local\Temp\9eb8fe85ddbd493a9fcbef3334d8b2dad30f43fb4c5c5920eef8a8ff2ca2845d.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1160
    • C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2256

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\GamerView\sqlite3.dll

    Filesize

    626KB

    MD5

    d8aec01ff14e3e7ad43a4b71e30482e4

    SHA1

    e3015f56f17d845ec7eef11d41bbbc28cc16d096

    SHA256

    da1d608be064555ab3d3d35e6db64527b8c44f3fa5ddd7c3ec723f80fc99736e

    SHA512

    f5b2f4bda0cc13e1d1c541fb0caea14081ee4daffd497e31a3d4d55d5f9d85a61158b4891a6527efe623b2f32b697ac912320d9be5c0303812ca98dcc8866fcf

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

    Filesize

    1.4MB

    MD5

    dd926588433da13d449e992412b2dd6b

    SHA1

    5c959d0eb6ce0f815c1cf5bfba872e6dd08f19de

    SHA256

    9eb8fe85ddbd493a9fcbef3334d8b2dad30f43fb4c5c5920eef8a8ff2ca2845d

    SHA512

    351d80925cf934cb6673b767761cb6d4b5b4d5a4ac9066a428b59b4d5657ba69a406fd1d5e12981c7450c35f072ef05c9419b9cb1a76f238e31ef92fa0f16bbd

  • memory/1160-1-0x00000000008C0000-0x0000000000A30000-memory.dmp

    Filesize

    1.4MB

  • memory/1160-11-0x0000000005A10000-0x0000000005A5E000-memory.dmp

    Filesize

    312KB

  • memory/1160-4-0x0000000005A80000-0x0000000006024000-memory.dmp

    Filesize

    5.6MB

  • memory/1160-5-0x00000000058B0000-0x0000000005942000-memory.dmp

    Filesize

    584KB

  • memory/1160-6-0x0000000005810000-0x000000000585C000-memory.dmp

    Filesize

    304KB

  • memory/1160-7-0x0000000005870000-0x0000000005878000-memory.dmp

    Filesize

    32KB

  • memory/1160-8-0x0000000005950000-0x0000000005A08000-memory.dmp

    Filesize

    736KB

  • memory/1160-2-0x0000000005370000-0x000000000537A000-memory.dmp

    Filesize

    40KB

  • memory/1160-3-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/1160-23-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/1160-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

    Filesize

    4KB

  • memory/2256-38-0x0000000060900000-0x0000000060992000-memory.dmp

    Filesize

    584KB

  • memory/2256-26-0x0000000005C70000-0x0000000005E32000-memory.dmp

    Filesize

    1.8MB

  • memory/2256-25-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/2256-35-0x0000000006270000-0x0000000006280000-memory.dmp

    Filesize

    64KB

  • memory/2256-36-0x0000000006470000-0x000000000647A000-memory.dmp

    Filesize

    40KB

  • memory/2256-37-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/2256-24-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB