Overview

overview

10

Static

static

10

idk.exe

windows7-x64

10

idk.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    03-01-2025 17:59

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General

  • Target

    idk.exe

  • Size

    839KB

  • MD5

    dd8c593a987225667a0325ff4a113bdc

  • SHA1

    615b0a186540ab76706b44bb48d5252a6759e9c9

  • SHA256

    184d2adfcfa6fa9c0ce3c2a83d96da2b1539492eeb5d9e9db2cb0f7acd25f4c1

  • SHA512

    0698ac4192dd621a1235846e141002db95604c930100d336f54f32d0bd47831f1859547b229f3f64b52667d45b0c815aed358fbc5907c8cb3e0667388b57e813

  • SSDEEP

    24576:YpS04YNEMuExDiU6E5R9s8xY/2l/dmtnIbt+r9:YL4auS+UjfU2TmdIbt+r

Score
10/10
orcusdiscoveryratspywarestealer

Malware Config

Extracted

Family

orcus

C2

2.tcp.eu.ngrok.io

Mutex

233ae76979624b4a98080dc29bd81725

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 18:20:52

  • 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 45 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\idk.exe
    "C:\Users\Admin\AppData\Local\Temp\idk.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2368
    • 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:1956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    839KB

    MD5

    dd8c593a987225667a0325ff4a113bdc

    SHA1

    615b0a186540ab76706b44bb48d5252a6759e9c9

    SHA256

    184d2adfcfa6fa9c0ce3c2a83d96da2b1539492eeb5d9e9db2cb0f7acd25f4c1

    SHA512

    0698ac4192dd621a1235846e141002db95604c930100d336f54f32d0bd47831f1859547b229f3f64b52667d45b0c815aed358fbc5907c8cb3e0667388b57e813

    Download Submit

  • memory/1956-12-0x0000000074AF0000-0x000000007509B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1956-13-0x0000000074AF0000-0x000000007509B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1956-14-0x0000000074AF0000-0x000000007509B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1956-15-0x0000000074AF0000-0x000000007509B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1956-16-0x0000000074AF0000-0x000000007509B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2368-0-0x0000000074AF1000-0x0000000074AF2000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2368-1-0x0000000074AF0000-0x000000007509B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2368-2-0x0000000074AF0000-0x000000007509B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2368-11-0x0000000074AF0000-0x000000007509B000-memory.dmp

    Filesize

    5.7MB

    Download