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
    119s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    03-01-2025 20:01

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General

  • Target

    idk.exe

  • Size

    839KB

  • MD5

    fe1f5979a80cf3c1c405129c472bfb9f

  • SHA1

    c565ab52358ac6eba09a9dccab45000fd222da20

  • SHA256

    600a30803e4710c62cd5aa6bae8fd3e807af50bda0320708b9626903f9ec565c

  • SHA512

    79e45a69abcd75b5db45526db36d0bfb277837bb7619cef0f0b098771e856e764d5a7635e04bef1b075e512396404c22e1330628e03ea9448bc8b8467ece31f0

  • SSDEEP

    24576:umIS04YNEMuExDiU6E5R9s8xY/2l/detnIbt+ru:1Q4auS+UjfU2TedIbt+r

Score
10/10
orcusdiscoveryratspywarestealer

Malware Config

Extracted

Family

orcus

C2

/tcp://5.tcp.eu.ngrok.io

Mutex

35d30a70dbf14f498a0101d8c3b1187a

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 21:00:32

  • 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:2160
    • 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:2052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    839KB

    MD5

    fe1f5979a80cf3c1c405129c472bfb9f

    SHA1

    c565ab52358ac6eba09a9dccab45000fd222da20

    SHA256

    600a30803e4710c62cd5aa6bae8fd3e807af50bda0320708b9626903f9ec565c

    SHA512

    79e45a69abcd75b5db45526db36d0bfb277837bb7619cef0f0b098771e856e764d5a7635e04bef1b075e512396404c22e1330628e03ea9448bc8b8467ece31f0

    Download Submit

  • memory/2052-13-0x0000000074E70000-0x000000007541B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2052-12-0x0000000074E70000-0x000000007541B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2052-14-0x0000000074E70000-0x000000007541B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2052-15-0x0000000074E70000-0x000000007541B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2160-0-0x0000000074E71000-0x0000000074E72000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2160-1-0x0000000074E70000-0x000000007541B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2160-2-0x0000000074E70000-0x000000007541B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2160-11-0x0000000074E70000-0x000000007541B000-memory.dmp

    Filesize

    5.7MB

    Download