Overview

overview

10

Static

static

10

4885af6cc7...d9.exe

windows7-x64

10

4885af6cc7...d9.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-01-2025 01:08

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General

  • Target

    4885af6cc7c40dde696af2e8f734bd5fa746ed0e765bcabdd2fc153815dfd3d9.exe

  • Size

    839KB

  • MD5

    72800a4397df679c280dfbdc0808fbc3

  • SHA1

    0f0a0e62548fecfbecfa3b96bbb4df9d3949405c

  • SHA256

    4885af6cc7c40dde696af2e8f734bd5fa746ed0e765bcabdd2fc153815dfd3d9

  • SHA512

    26e8ef819bda84942033cc6446a6edf668d1fd04267467fbc65d40230905ec87666e23ee7b597c46c56edfa08c31a9f77614ebb922994677793ad1f4cb26f9ed

  • SSDEEP

    24576:upS04YNEMuExDiU6E5R9s8xY/2l/dmtnIbt+rq:uL4auS+UjfU2TmdIbt+r

Score
10/10
orcusdiscoveryratspywarestealer

Malware Config

Extracted

Family

orcus

C2

2.tcp.eu.ngrok.io

Mutex

64a224328d4a4eabbb2b12669d491dd2

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

    01/03/2025 18:16:40

  • 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.

    ratspywarestealerorcus
  • Orcus family
    orcus
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 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.

    discovery
  • Suspicious behavior: EnumeratesProcesses 42 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4885af6cc7c40dde696af2e8f734bd5fa746ed0e765bcabdd2fc153815dfd3d9.exe
    "C:\Users\Admin\AppData\Local\Temp\4885af6cc7c40dde696af2e8f734bd5fa746ed0e765bcabdd2fc153815dfd3d9.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2284
    • 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
      PID:1988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
    Filesize

    839KB

    MD5

    72800a4397df679c280dfbdc0808fbc3

    SHA1

    0f0a0e62548fecfbecfa3b96bbb4df9d3949405c

    SHA256

    4885af6cc7c40dde696af2e8f734bd5fa746ed0e765bcabdd2fc153815dfd3d9

    SHA512

    26e8ef819bda84942033cc6446a6edf668d1fd04267467fbc65d40230905ec87666e23ee7b597c46c56edfa08c31a9f77614ebb922994677793ad1f4cb26f9ed

    Download Submit

  • memory/1988-12-0x0000000074A30000-0x0000000074FDB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1988-13-0x0000000074A30000-0x0000000074FDB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1988-14-0x0000000074A30000-0x0000000074FDB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1988-15-0x0000000074A30000-0x0000000074FDB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2284-0-0x0000000074A31000-0x0000000074A32000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2284-1-0x0000000074A30000-0x0000000074FDB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2284-2-0x0000000074A30000-0x0000000074FDB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2284-11-0x0000000074A30000-0x0000000074FDB000-memory.dmp

    Filesize

    5.7MB

    Download