orcus | 9eb8fe85ddbd493a9fcbef3334d8b2dad30f43fb4c5c5920eef8a8ff2ca2845d

General

Target

9eb8fe85ddbd493a9fcbef3334d8b2dad30f43fb4c5c5920eef8a8ff2ca2845d.exe
Size

1.4MB
MD5

dd926588433da13d449e992412b2dd6b
SHA1

5c959d0eb6ce0f815c1cf5bfba872e6dd08f19de
SHA256

9eb8fe85ddbd493a9fcbef3334d8b2dad30f43fb4c5c5920eef8a8ff2ca2845d
SHA512

351d80925cf934cb6673b767761cb6d4b5b4d5a4ac9066a428b59b4d5657ba69a406fd1d5e12981c7450c35f072ef05c9419b9cb1a76f238e31ef92fa0f16bbd
SSDEEP

24576:DFpMS04YNEMuExDiU6E5R9s8xY/2l/d0J5dtsPxNGfNZIbt+rr8m3c:DFpk4auS+UjfU2Tg5XDnIbt+rQm3

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

192.168.10.8

Mutex

2909df20f41d462e9c071227f270d9c7

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
02/18/2025 19:42:27
plugins
AgUFl6aNkQPXkQKOmwKLvFcpr24sKCsVRABpAHMAYQBiAGwAZQAgAFcAZQBiAGMAYQBtACAATABpAGcAaAB0AHMABwMxAC4AMABBIGMAMwBhAGIAOABjADIANAA0ADkANAA4ADQANwAzADAAYgA0AGIAOAA3AGUAMABjADMAYgAzADAAZgA0ADIAYQABBcjswb8CldcC3rcCqMa3DYpVf2wVCkcAYQBtAGUAcgAgAFYAaQBlAHcABwMxAC4AMgBBIDYANQBkADIANQBmADQAMwBkADUAYgA5ADQANAA3ADEAOQBmAGEAMAAxAGEANwBmAGEAMwAxAGQAOQAwAGMAMAACAAAEBA==
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-1-5-21-22591836-1183090055-1220658180-1000\Control Panel\International\Geo\Nation	9eb8fe85ddbd493a9fcbef3334d8b2dad30f43fb4c5c5920eef8a8ff2ca2845d.exe

Executes dropped EXE 1 IoCs

pid	Process
2508	AudioDriver.exe

Loads dropped DLL 1 IoCs

pid	Process
2508	AudioDriver.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	9eb8fe85ddbd493a9fcbef3334d8b2dad30f43fb4c5c5920eef8a8ff2ca2845d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe
2508	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2508	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2508	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2508	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1228 wrote to memory of 2508	1228	9eb8fe85ddbd493a9fcbef3334d8b2dad30f43fb4c5c5920eef8a8ff2ca2845d.exe	87
PID 1228 wrote to memory of 2508	1228	9eb8fe85ddbd493a9fcbef3334d8b2dad30f43fb4c5c5920eef8a8ff2ca2845d.exe	87
PID 1228 wrote to memory of 2508	1228	9eb8fe85ddbd493a9fcbef3334d8b2dad30f43fb4c5c5920eef8a8ff2ca2845d.exe	87

C:\Users\Admin\AppData\Local\Temp\9eb8fe85ddbd493a9fcbef3334d8b2dad30f43fb4c5c5920eef8a8ff2ca2845d.exe
"C:\Users\Admin\AppData\Local\Temp\9eb8fe85ddbd493a9fcbef3334d8b2dad30f43fb4c5c5920eef8a8ff2ca2845d.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1228
- C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:2508

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\GamerView\sqlite3.dll

Filesize
626KB

MD5
d8aec01ff14e3e7ad43a4b71e30482e4

SHA1
e3015f56f17d845ec7eef11d41bbbc28cc16d096

SHA256
da1d608be064555ab3d3d35e6db64527b8c44f3fa5ddd7c3ec723f80fc99736e

SHA512
f5b2f4bda0cc13e1d1c541fb0caea14081ee4daffd497e31a3d4d55d5f9d85a61158b4891a6527efe623b2f32b697ac912320d9be5c0303812ca98dcc8866fcf

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

Filesize
1.4MB

MD5
dd926588433da13d449e992412b2dd6b

SHA1
5c959d0eb6ce0f815c1cf5bfba872e6dd08f19de

SHA256
9eb8fe85ddbd493a9fcbef3334d8b2dad30f43fb4c5c5920eef8a8ff2ca2845d

SHA512
351d80925cf934cb6673b767761cb6d4b5b4d5a4ac9066a428b59b4d5657ba69a406fd1d5e12981c7450c35f072ef05c9419b9cb1a76f238e31ef92fa0f16bbd

Download Submit
memory/1228-1-0x0000000000300000-0x0000000000470000-memory.dmp

Filesize
1.4MB

Download
memory/1228-11-0x00000000052E0000-0x000000000532E000-memory.dmp

Filesize
312KB

Download
memory/1228-4-0x0000000005650000-0x0000000005BF4000-memory.dmp

Filesize
5.6MB

Download
memory/1228-5-0x0000000005340000-0x00000000053D2000-memory.dmp

Filesize
584KB

Download
memory/1228-6-0x0000000005020000-0x000000000506C000-memory.dmp

Filesize
304KB

Download
memory/1228-7-0x00000000052B0000-0x00000000052B8000-memory.dmp

Filesize
32KB

Download
memory/1228-8-0x00000000053E0000-0x0000000005498000-memory.dmp

Filesize
736KB

Download
memory/1228-3-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/1228-2-0x00000000027B0000-0x00000000027BA000-memory.dmp

Filesize
40KB

Download
memory/1228-24-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/1228-0-0x0000000074EDE000-0x0000000074EDF000-memory.dmp

Filesize
4KB

Download
memory/2508-38-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/2508-26-0x0000000005DC0000-0x0000000005F82000-memory.dmp

Filesize
1.8MB

Download
memory/2508-25-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/2508-28-0x0000000005D40000-0x0000000005D50000-memory.dmp

Filesize
64KB

Download
memory/2508-36-0x00000000065E0000-0x00000000065EA000-memory.dmp

Filesize
40KB

Download
memory/2508-37-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/2508-23-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download

Analysis

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