Overview

overview

10

Static

static

10

871d03ee61...06.exe

windows7-x64

10

871d03ee61...06.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

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

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    871d03ee6134fe35fc080e22207241769d18a387974fa5bbf99b2534b2f0ee06.exe

  • Size

    839KB

  • MD5

    5264b17696382401b5b5e2fb09df38fb

  • SHA1

    4552ce054f7022379ffddbf21f14ae3716cca53c

  • SHA256

    871d03ee6134fe35fc080e22207241769d18a387974fa5bbf99b2534b2f0ee06

  • SHA512

    d51f39bd3e533d9a5517f77b1ab6ee094b24f1ff286c58e38d3a44e25f82a4913a8864c21490a9c1e1bcc0f4a0cf429ac0174b51a6d9594d0d90c19aad68ee66

  • SSDEEP

    24576:ypS04YNEMuExDiU6E5R9s8xY/2l/dmtnIbt+rP:yL4auS+UjfU2TmdIbt+r

Score
10/10
orcusdiscoveryratspywarestealer

Malware Config

Extracted

Family

orcus

C2

192.168.1.105

Mutex

81eba1b66915471db96b85cdf90c216b

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 20:23:48

  • 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
  • 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 36 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\871d03ee6134fe35fc080e22207241769d18a387974fa5bbf99b2534b2f0ee06.exe
    "C:\Users\Admin\AppData\Local\Temp\871d03ee6134fe35fc080e22207241769d18a387974fa5bbf99b2534b2f0ee06.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3020
    • 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:2420

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    839KB

    MD5

    5264b17696382401b5b5e2fb09df38fb

    SHA1

    4552ce054f7022379ffddbf21f14ae3716cca53c

    SHA256

    871d03ee6134fe35fc080e22207241769d18a387974fa5bbf99b2534b2f0ee06

    SHA512

    d51f39bd3e533d9a5517f77b1ab6ee094b24f1ff286c58e38d3a44e25f82a4913a8864c21490a9c1e1bcc0f4a0cf429ac0174b51a6d9594d0d90c19aad68ee66

    Download Submit

  • memory/2420-14-0x0000000074770000-0x0000000074D1B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2420-13-0x0000000074770000-0x0000000074D1B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2420-12-0x0000000074770000-0x0000000074D1B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2420-15-0x0000000074770000-0x0000000074D1B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2420-16-0x0000000074770000-0x0000000074D1B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3020-0-0x0000000074771000-0x0000000074772000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3020-1-0x0000000074770000-0x0000000074D1B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3020-2-0x0000000074770000-0x0000000074D1B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3020-11-0x0000000074770000-0x0000000074D1B000-memory.dmp

    Filesize

    5.7MB

    Download