Overview

overview

10

Static

static

10

c7b542ac39...35.exe

windows7-x64

10

c7b542ac39...35.exe

windows10-2004-x64

7

Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-01-2025 01:16

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General

  • Target

    c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe

  • Size

    845KB

  • MD5

    56edb111575113d40af0f1c028dcb315

  • SHA1

    018a7abc977ba73e2f66f1e7bf041191089c100c

  • SHA256

    c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235

  • SHA512

    2c87ad1db2ce3745426eb47e76b855124e97747d895d8f5b90adf9018a03c6059dc96537429cf03e2d9af51ca49b751c418820d7a27557e33b8ef54f7305c406

  • SSDEEP

    24576:ysS04YNEMuExDiU6E5R9s8xY/2l/dguIbt+r/:yE4auS+UjfU2TguIbt+r

Score
10/10
orcusdiscoveryratspywarestealer

Malware Config

Extracted

Family

orcus

C2

9across-entitled.gl.at.ply.gg

Mutex

cac3aa9158e541b28ce1c4890a52661d

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

    01/12/2025 04:15:11

  • plugins

    AgUFyfihswTdIPqEArukcmEdSF06Hw9CAFMAbwBEACAAUAByAG8AdABlAGMAdABpAG8AbgAHAzEALgAwAEEgNwBkAGUAYQAzAGQAZgBhAGUAZQBjAGEANABjADcAYQA5ADcAZABiAGYAZQBlADUAMQAyADIAMgA1ADYAMgA3AAEFl6aNkQPXkQKOmwKLvFcpr24sKCsVRABpAHMAYQBiAGwAZQAgAFcAZQBiAGMAYQBtACAATABpAGcAaAB0AHMABwMxAC4AMABBIGUANABhADUAZgAzADIANwAzADkANQBjADQAOQA5ADUAYgA3ADgAYQA1ADYAYwBhAGYAMwAzAGIANgAzADQANgABAAAEBA==

  • 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\c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe
    "C:\Users\Admin\AppData\Local\Temp\c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2372
    • 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:2268

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    845KB

    MD5

    56edb111575113d40af0f1c028dcb315

    SHA1

    018a7abc977ba73e2f66f1e7bf041191089c100c

    SHA256

    c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235

    SHA512

    2c87ad1db2ce3745426eb47e76b855124e97747d895d8f5b90adf9018a03c6059dc96537429cf03e2d9af51ca49b751c418820d7a27557e33b8ef54f7305c406

    Download Submit

  • memory/2268-11-0x0000000074C10000-0x00000000751BB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2268-13-0x0000000074C10000-0x00000000751BB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2268-14-0x0000000074C10000-0x00000000751BB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2268-15-0x0000000074C10000-0x00000000751BB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2268-16-0x0000000074C10000-0x00000000751BB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2372-0-0x0000000074C11000-0x0000000074C12000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2372-1-0x0000000074C10000-0x00000000751BB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2372-2-0x0000000074C10000-0x00000000751BB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2372-12-0x0000000074C10000-0x00000000751BB000-memory.dmp

    Filesize

    5.7MB

    Download