Overview

overview

10

Static

static

10

idk.exe

windows7-x64

10

idk.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    103s
  • max time network
    104s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-01-2025 19:05

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    idk.exe

  • Size

    839KB

  • MD5

    0f7d739868edca8ff1fc08ddbff4246a

  • SHA1

    6f9e5606635eda95cbe254a2c3c2db372742ece1

  • SHA256

    3055060895a67d1b8b76db994dab43105917011f76d660c2e80b6295293eced7

  • SHA512

    c40604fee46a39c7423d7f907dbbc9a357d2e0e20d3195ea95473b6b4113787b087dc28e976eee34cc24272ce840442feaee565d95052908921c2faaaae8d12b

  • SSDEEP

    24576:HBS04YNEMuExDiU6E5R9s8xY/2l/dGtnIbt+rm:Hj4auS+UjfU2TGdIbt+r

Score
10/10
orcusdiscoveryratspywarestealer

Malware Config

Extracted

Family

orcus

C2

192.168.1.105

5.tcp.eu.ngrok.io
Mutex

894a50c4d7134c37badcb6c383bb8dda

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 20:04:02

  • 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 30 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:2252
    • 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:376

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    839KB

    MD5

    0f7d739868edca8ff1fc08ddbff4246a

    SHA1

    6f9e5606635eda95cbe254a2c3c2db372742ece1

    SHA256

    3055060895a67d1b8b76db994dab43105917011f76d660c2e80b6295293eced7

    SHA512

    c40604fee46a39c7423d7f907dbbc9a357d2e0e20d3195ea95473b6b4113787b087dc28e976eee34cc24272ce840442feaee565d95052908921c2faaaae8d12b

    Download Submit

  • memory/376-12-0x00000000748F0000-0x0000000074E9B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/376-13-0x00000000748F0000-0x0000000074E9B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/376-14-0x00000000748F0000-0x0000000074E9B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/376-15-0x00000000748F0000-0x0000000074E9B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2252-0-0x00000000748F1000-0x00000000748F2000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2252-1-0x00000000748F0000-0x0000000074E9B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2252-2-0x00000000748F0000-0x0000000074E9B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2252-11-0x00000000748F0000-0x0000000074E9B000-memory.dmp

    Filesize

    5.7MB

    Download