Overview

overview

10

Static

static

10

idk.exe

windows7-x64

10

idk.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    138s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-01-2025 22:12

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General

  • Target

    idk.exe

  • Size

    839KB

  • MD5

    564dee5326ab9120610bf4a8f63ab4c8

  • SHA1

    ae4ba60164d03f17f8fa0173a661b1bc33c5b8da

  • SHA256

    43008aa8b1a79bd1f2b5af32a5cc180b27fa785a6af2d85bf49bbc5d01afb402

  • SHA512

    384ebe4aaba380018bf88e3703ecd15b6b7381b068ceccb49e92bbbfda2968ba38ad74153300aea5553e99d98af577b3c9ca43b3f2d71fabba0faadb2ba32d8e

  • SSDEEP

    24576:vpS04YNEMuExDiU6E5R9s8xY/2l/dmtnIbt+rc:vL4auS+UjfU2TmdIbt+r

Score
10/10
orcusdiscoveryratspywarestealer

Malware Config

Extracted

Family

orcus

C2

2.tcp.ngrok.io

Mutex

14c63aeb763545dcb5ae8869e0447a85

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

    01/16/2025 18:42:14

  • 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\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:2024
    • 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:800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    839KB

    MD5

    564dee5326ab9120610bf4a8f63ab4c8

    SHA1

    ae4ba60164d03f17f8fa0173a661b1bc33c5b8da

    SHA256

    43008aa8b1a79bd1f2b5af32a5cc180b27fa785a6af2d85bf49bbc5d01afb402

    SHA512

    384ebe4aaba380018bf88e3703ecd15b6b7381b068ceccb49e92bbbfda2968ba38ad74153300aea5553e99d98af577b3c9ca43b3f2d71fabba0faadb2ba32d8e

    Download Submit

  • memory/800-11-0x0000000074710000-0x0000000074CBB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/800-13-0x0000000074710000-0x0000000074CBB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/800-14-0x0000000074710000-0x0000000074CBB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2024-0-0x0000000074711000-0x0000000074712000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2024-1-0x0000000074710000-0x0000000074CBB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2024-2-0x0000000074710000-0x0000000074CBB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2024-12-0x0000000074710000-0x0000000074CBB000-memory.dmp

    Filesize

    5.7MB

    Download