orcus | 0f703a9d8199685ee002bb92c8c93cda0f9d02830d810011cd09be697d0c2c71

General

Target

0f703a9d8199685ee002bb92c8c93cda0f9d02830d810011cd09be697d0c2c71.exe
Size

1.2MB
MD5

9025939ba631b50ea19c3a656c1b9726
SHA1

1b54526ed255d61280df641c0ed0da689c7b176e
SHA256

0f703a9d8199685ee002bb92c8c93cda0f9d02830d810011cd09be697d0c2c71
SHA512

9f8eb247ab512c2e4cd194844657c773797f997661bd723ea03ed8461c822e7f6be5d6077f64de146208efe750af8a1d35b9e584737c1d3ed69ef556d15ffef8
SSDEEP

24576:TLFS04YNEMuExDiU6E5R9s8xY/2l/d6N1Ibt+rQ0M40b:TL34auS+UjfU2T21Ibt+rIb

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

10.0.0.119

Mutex

105a914676af45f1810b3a9b8fe1bf06

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
02/17/2025 15:39:33
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-1-5-21-1161330783-2912525651-1278508834-1000\Control Panel\International\Geo\Nation	0f703a9d8199685ee002bb92c8c93cda0f9d02830d810011cd09be697d0c2c71.exe

Executes dropped EXE 1 IoCs

pid	Process
4908	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	0f703a9d8199685ee002bb92c8c93cda0f9d02830d810011cd09be697d0c2c71.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe
4908	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4908	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3676 wrote to memory of 4908	3676	0f703a9d8199685ee002bb92c8c93cda0f9d02830d810011cd09be697d0c2c71.exe	85
PID 3676 wrote to memory of 4908	3676	0f703a9d8199685ee002bb92c8c93cda0f9d02830d810011cd09be697d0c2c71.exe	85
PID 3676 wrote to memory of 4908	3676	0f703a9d8199685ee002bb92c8c93cda0f9d02830d810011cd09be697d0c2c71.exe	85

C:\Users\Admin\AppData\Local\Temp\0f703a9d8199685ee002bb92c8c93cda0f9d02830d810011cd09be697d0c2c71.exe
"C:\Users\Admin\AppData\Local\Temp\0f703a9d8199685ee002bb92c8c93cda0f9d02830d810011cd09be697d0c2c71.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3676
- 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
  PID:4908

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\Microsoft\Speech\AudioDriver.exe

Filesize
1.2MB

MD5
9025939ba631b50ea19c3a656c1b9726

SHA1
1b54526ed255d61280df641c0ed0da689c7b176e

SHA256
0f703a9d8199685ee002bb92c8c93cda0f9d02830d810011cd09be697d0c2c71

SHA512
9f8eb247ab512c2e4cd194844657c773797f997661bd723ea03ed8461c822e7f6be5d6077f64de146208efe750af8a1d35b9e584737c1d3ed69ef556d15ffef8

Download Submit
memory/3676-4-0x0000000006110000-0x00000000066B4000-memory.dmp

Filesize
5.6MB

Download
memory/3676-22-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/3676-3-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/3676-0-0x000000007530E000-0x000000007530F000-memory.dmp

Filesize
4KB

Download
memory/3676-5-0x0000000005F00000-0x0000000005F92000-memory.dmp

Filesize
584KB

Download
memory/3676-6-0x0000000005E60000-0x0000000005EAC000-memory.dmp

Filesize
304KB

Download
memory/3676-2-0x00000000033E0000-0x00000000033EA000-memory.dmp

Filesize
40KB

Download
memory/3676-1-0x0000000000F60000-0x0000000001092000-memory.dmp

Filesize
1.2MB

Download
memory/3676-9-0x0000000005FA0000-0x0000000005FEE000-memory.dmp

Filesize
312KB

Download
memory/4908-21-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/4908-23-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/4908-24-0x0000000005A00000-0x0000000005BC2000-memory.dmp

Filesize
1.8MB

Download
memory/4908-25-0x0000000005260000-0x0000000005270000-memory.dmp

Filesize
64KB

Download
memory/4908-26-0x0000000005940000-0x000000000594A000-memory.dmp

Filesize
40KB

Download
memory/4908-27-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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