Overview

overview

10

Static

static

10

idk.exe

windows7-x64

10

idk.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    144s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    04-01-2025 13:44

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General

  • Target

    idk.exe

  • Size

    839KB

  • MD5

    6d7e70d9185dd0c6cc93dd959a9dab39

  • SHA1

    589c0b18e405d5118bc0385b900eb0ff7d1f3c91

  • SHA256

    73d1ca809ef518e57e67d23677138824ef0ab6d175ba87fdb88f5f5dd4fb34f3

  • SHA512

    dfbd86a6e84a35ced33fe97e8c242a4c42429004dc16c68eac74842acec149d8d758530756713b592f3efd72d774204528abe2c2e405fc5fc25c692879201e2b

  • SSDEEP

    24576:fmIS04YNEMuExDiU6E5R9s8xY/2l/detnIbt+rE:+Q4auS+UjfU2TedIbt+r

Score
10/10
orcusdiscoveryratspywarestealer

Malware Config

Extracted

Family

orcus

C2

7.tcp.eu.ngrok.io14371

Mutex

f6f129e254704a8e96e33a6eea7c6ac9

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

    01/04/2025 14:40:42

  • 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 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:1908
    • 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:2744

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    839KB

    MD5

    6d7e70d9185dd0c6cc93dd959a9dab39

    SHA1

    589c0b18e405d5118bc0385b900eb0ff7d1f3c91

    SHA256

    73d1ca809ef518e57e67d23677138824ef0ab6d175ba87fdb88f5f5dd4fb34f3

    SHA512

    dfbd86a6e84a35ced33fe97e8c242a4c42429004dc16c68eac74842acec149d8d758530756713b592f3efd72d774204528abe2c2e405fc5fc25c692879201e2b

    Download Submit

  • memory/1908-0-0x0000000074BC1000-0x0000000074BC2000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1908-1-0x0000000074BC0000-0x000000007516B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1908-2-0x0000000074BC0000-0x000000007516B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1908-11-0x0000000074BC0000-0x000000007516B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2744-14-0x0000000074BC0000-0x000000007516B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2744-13-0x0000000074BC0000-0x000000007516B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2744-12-0x0000000074BC0000-0x000000007516B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2744-15-0x0000000074BC0000-0x000000007516B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2744-16-0x0000000074BC0000-0x000000007516B000-memory.dmp

    Filesize

    5.7MB

    Download