orcus | 7c6e21c01322ed533a1973527be5aa545034b90677f76761937cf2e504abaca8

Analysis

max time kernel
129s
max time network
141s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241211-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
12-01-2025 03:27

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General

Target

idk.exe
Size

839KB
MD5

c9a1da4aa5a3105db8805a2726687f6c
SHA1

52aa522c3a729a01e182ed0a663deba4ed7563db
SHA256

7c6e21c01322ed533a1973527be5aa545034b90677f76761937cf2e504abaca8
SHA512

c551bd8ed1ed8e6cdd38e4787f49eda65d7ab3e8a47b27761a8e987a9d866dcb04b38d8d3ebdf78a29763868aa5447cdd4d05cee20c4a930e8a4deedce3eeafa
SSDEEP

24576:exdS04YNEMuExDiU6E5R9s8xY/2l/d2tnIbt+r6:KP4auS+UjfU2T2dIbt+r

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

9across-entitled.gl.at.ply.gg

Mutex

bdf7963ed73f4af8900f092e35c7c851

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
01/12/2025 04:26:17
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.
rat spyware stealer orcus
Orcus family
orcus

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3506525125-3566313221-3651816328-1000\Control Panel\International\Geo\Nation	idk.exe

Executes dropped EXE 1 IoCs

pid	Process
2964	AudioDriver.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly\Desktop.ini	idk.exe
File created	C:\Windows\assembly\Desktop.ini	idk.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	idk.exe
File created	C:\Windows\assembly\Desktop.ini	idk.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	idk.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	idk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
2964	AudioDriver.exe
2964	AudioDriver.exe
2964	AudioDriver.exe
2964	AudioDriver.exe
2964	AudioDriver.exe
2964	AudioDriver.exe
2964	AudioDriver.exe
2964	AudioDriver.exe
2964	AudioDriver.exe
2964	AudioDriver.exe
2964	AudioDriver.exe
2964	AudioDriver.exe
2964	AudioDriver.exe
2964	AudioDriver.exe
2964	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2964	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2964	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2964	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 756 wrote to memory of 2964	756	idk.exe	80
PID 756 wrote to memory of 2964	756	idk.exe	80
PID 756 wrote to memory of 2964	756	idk.exe	80

C:\Users\Admin\AppData\Local\Temp\idk.exe
"C:\Users\Admin\AppData\Local\Temp\idk.exe"
1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:756
- 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:2964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe

Filesize
839KB

MD5
c9a1da4aa5a3105db8805a2726687f6c

SHA1
52aa522c3a729a01e182ed0a663deba4ed7563db

SHA256
7c6e21c01322ed533a1973527be5aa545034b90677f76761937cf2e504abaca8

SHA512
c551bd8ed1ed8e6cdd38e4787f49eda65d7ab3e8a47b27761a8e987a9d866dcb04b38d8d3ebdf78a29763868aa5447cdd4d05cee20c4a930e8a4deedce3eeafa

Download Submit
memory/756-0-0x00000000746E2000-0x00000000746E3000-memory.dmp

Filesize
4KB

Download
memory/756-1-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download
memory/756-2-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download
memory/756-8-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download
memory/2964-7-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download
memory/2964-9-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download
memory/2964-10-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download