orcus | a97b70b30a7c25db8563cc2bcf1ba8e4d80bf97d342cf04dc33056b17b3b1244

General

Target

a97b70b30a7c25db8563cc2bcf1ba8e4d80bf97d342cf04dc33056b17b3b1244.exe
Size

1.2MB
MD5

582b1265abcbbdba395bd9b69ff83f0a
SHA1

1e1dd0f95d413ffaf59f77f99439659abae97411
SHA256

a97b70b30a7c25db8563cc2bcf1ba8e4d80bf97d342cf04dc33056b17b3b1244
SHA512

fc5a3e66c0b582e234d3707986790e1683660b5d54ece1b0143d15d974e07745a68846fc0cc4282963711544f98219d3a6e633714ef4213be6fd6248d9c4affb
SSDEEP

24576:fpMS04YNEMuExDiU6E5R9s8xY/2l/d0J5dtsPxNGftBPIbt+rx:fpk4auS+UjfU2Tg5XD3PIbt+r

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

127.0.0.1

Mutex

f9b26218f0c9403a83fd44bec32fd191

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
12/30/2024 12:18:08
plugins
AgUFl6aNkQPXkQKOmwKLvFcpr24sKCsVRABpAHMAYQBiAGwAZQAgAFcAZQBiAGMAYQBtACAATABpAGcAaAB0AHMABwMxAC4AMABBIDIAMgA0AGQANwBlADUAOAA5ADQAZQBlADQAOQBhADkAYQBjADkAMAA5AGEAMgAxADQAMwBhADkANAAxADIAMQABBcjswb8CldcC3rcCqMa3DYpVf2wVCkcAYQBtAGUAcgAgAFYAaQBlAHcABwMxAC4AMgBBIGYAMAAxADYANgA0AGUAMAA4ADcAMQA2ADQANgAwADYAYgA5ADcANgA2AGIANwA4AGYAMQA4AGQAYQBkAGIAZQACAAAEBA==
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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	a97b70b30a7c25db8563cc2bcf1ba8e4d80bf97d342cf04dc33056b17b3b1244.exe

Executes dropped EXE 1 IoCs

pid	Process
384	AudioDriver.exe

Loads dropped DLL 1 IoCs

pid	Process
384	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	AudioDriver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a97b70b30a7c25db8563cc2bcf1ba8e4d80bf97d342cf04dc33056b17b3b1244.exe

Suspicious behavior: EnumeratesProcesses 39 IoCs

pid	Process
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe
384	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	384	AudioDriver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
384	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 384	2772	a97b70b30a7c25db8563cc2bcf1ba8e4d80bf97d342cf04dc33056b17b3b1244.exe	82
PID 2772 wrote to memory of 384	2772	a97b70b30a7c25db8563cc2bcf1ba8e4d80bf97d342cf04dc33056b17b3b1244.exe	82
PID 2772 wrote to memory of 384	2772	a97b70b30a7c25db8563cc2bcf1ba8e4d80bf97d342cf04dc33056b17b3b1244.exe	82

C:\Users\Admin\AppData\Local\Temp\a97b70b30a7c25db8563cc2bcf1ba8e4d80bf97d342cf04dc33056b17b3b1244.exe
"C:\Users\Admin\AppData\Local\Temp\a97b70b30a7c25db8563cc2bcf1ba8e4d80bf97d342cf04dc33056b17b3b1244.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2772
- 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 SetWindowsHookEx
  PID:384

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

Loading Replay Monitor...

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
1.2MB

MD5
582b1265abcbbdba395bd9b69ff83f0a

SHA1
1e1dd0f95d413ffaf59f77f99439659abae97411

SHA256
a97b70b30a7c25db8563cc2bcf1ba8e4d80bf97d342cf04dc33056b17b3b1244

SHA512
fc5a3e66c0b582e234d3707986790e1683660b5d54ece1b0143d15d974e07745a68846fc0cc4282963711544f98219d3a6e633714ef4213be6fd6248d9c4affb

Download Submit
memory/384-26-0x0000000006570000-0x0000000006732000-memory.dmp

Filesize
1.8MB

Download
memory/384-25-0x0000000074600000-0x0000000074DB0000-memory.dmp

Filesize
7.7MB

Download
memory/384-38-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/384-24-0x0000000074600000-0x0000000074DB0000-memory.dmp

Filesize
7.7MB

Download
memory/384-37-0x0000000074600000-0x0000000074DB0000-memory.dmp

Filesize
7.7MB

Download
memory/384-36-0x0000000006C10000-0x0000000006C1A000-memory.dmp

Filesize
40KB

Download
memory/384-31-0x0000000005D10000-0x0000000005D20000-memory.dmp

Filesize
64KB

Download
memory/2772-4-0x0000000005F70000-0x0000000006514000-memory.dmp

Filesize
5.6MB

Download
memory/2772-0-0x000000007460E000-0x000000007460F000-memory.dmp

Filesize
4KB

Download
memory/2772-11-0x0000000006520000-0x000000000656E000-memory.dmp

Filesize
312KB

Download
memory/2772-5-0x0000000005DE0000-0x0000000005E72000-memory.dmp

Filesize
584KB

Download
memory/2772-3-0x0000000074600000-0x0000000074DB0000-memory.dmp

Filesize
7.7MB

Download
memory/2772-2-0x00000000058C0000-0x00000000058CA000-memory.dmp

Filesize
40KB

Download
memory/2772-1-0x0000000000E40000-0x0000000000F72000-memory.dmp

Filesize
1.2MB

Download
memory/2772-8-0x0000000005E80000-0x0000000005F38000-memory.dmp

Filesize
736KB

Download
memory/2772-7-0x0000000005DC0000-0x0000000005DC8000-memory.dmp

Filesize
32KB

Download
memory/2772-6-0x0000000005D40000-0x0000000005D8C000-memory.dmp

Filesize
304KB

Download
memory/2772-23-0x0000000074600000-0x0000000074DB0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing