Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-10-2024 01:01

General

  • Target

    7442f9302f988f307fcfb4123c501e4d604c901b67f004d6b6367b84a48c7f60.exe

  • Size

    4.0MB

  • MD5

    9d4c721d167dac9a7ce5e6e8daff8bcb

  • SHA1

    ace9b3506edde27dd63223400e04033c77f7cab5

  • SHA256

    7442f9302f988f307fcfb4123c501e4d604c901b67f004d6b6367b84a48c7f60

  • SHA512

    a1cbf9fd30cd9cc709b828602af1f67b156caac549414e2043b2318985670ead715f1187f8bbf5098764c88ba8f9ca0e7103b286d238f282a1547e5012673cb1

  • SSDEEP

    24576:l9KS04YNEMuExDiU6E5R9s8xY/2l/dO5Ibt+rzcQo:l9G4auS+UjfU2TQIbt+rNo

Malware Config

Extracted

Family

orcus

Botnet

GameBooster

C2

5email-hitting.gl.at.ply.gg

Mutex

48677ce8fa9a4485aaeb780d9eac4e64

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

    10/20/2024 22:24:50

  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7442f9302f988f307fcfb4123c501e4d604c901b67f004d6b6367b84a48c7f60.exe
    "C:\Users\Admin\AppData\Local\Temp\7442f9302f988f307fcfb4123c501e4d604c901b67f004d6b6367b84a48c7f60.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4564
    • 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:4788

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    4.0MB

    MD5

    9d4c721d167dac9a7ce5e6e8daff8bcb

    SHA1

    ace9b3506edde27dd63223400e04033c77f7cab5

    SHA256

    7442f9302f988f307fcfb4123c501e4d604c901b67f004d6b6367b84a48c7f60

    SHA512

    a1cbf9fd30cd9cc709b828602af1f67b156caac549414e2043b2318985670ead715f1187f8bbf5098764c88ba8f9ca0e7103b286d238f282a1547e5012673cb1

  • memory/4564-10-0x0000000006740000-0x000000000678E000-memory.dmp

    Filesize

    312KB

  • memory/4564-7-0x0000000005D90000-0x0000000005DF6000-memory.dmp

    Filesize

    408KB

  • memory/4564-3-0x0000000074A60000-0x0000000075210000-memory.dmp

    Filesize

    7.7MB

  • memory/4564-4-0x0000000005F50000-0x00000000064F4000-memory.dmp

    Filesize

    5.6MB

  • memory/4564-1-0x0000000000D10000-0x0000000000E00000-memory.dmp

    Filesize

    960KB

  • memory/4564-6-0x0000000005BE0000-0x0000000005C2C000-memory.dmp

    Filesize

    304KB

  • memory/4564-2-0x0000000001940000-0x000000000194A000-memory.dmp

    Filesize

    40KB

  • memory/4564-0-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

    Filesize

    4KB

  • memory/4564-5-0x0000000005C80000-0x0000000005D12000-memory.dmp

    Filesize

    584KB

  • memory/4564-23-0x0000000074A60000-0x0000000075210000-memory.dmp

    Filesize

    7.7MB

  • memory/4788-24-0x0000000074A60000-0x0000000075210000-memory.dmp

    Filesize

    7.7MB

  • memory/4788-22-0x0000000074A60000-0x0000000075210000-memory.dmp

    Filesize

    7.7MB

  • memory/4788-25-0x0000000005D30000-0x0000000005EF2000-memory.dmp

    Filesize

    1.8MB

  • memory/4788-26-0x0000000005CC0000-0x0000000005CD0000-memory.dmp

    Filesize

    64KB

  • memory/4788-27-0x0000000006660000-0x000000000666A000-memory.dmp

    Filesize

    40KB

  • memory/4788-28-0x0000000074A60000-0x0000000075210000-memory.dmp

    Filesize

    7.7MB