orcus | 454dce322fc945844e21c756cce7e3caad1e25737cf46c8f5cb6b8a95db8253d

General

Target

454dce322fc945844e21c756cce7e3caad1e25737cf46c8f5cb6b8a95db8253d.exe
Size

840KB
MD5

820ae186e5846a3bae6df8c6b38a1224
SHA1

4ce2f3f346366f580fb107c2f361319c787ea30d
SHA256

454dce322fc945844e21c756cce7e3caad1e25737cf46c8f5cb6b8a95db8253d
SHA512

d1b3bdc6112ea88fde380e2fad2827c0de998e5d39c1cff5d9fbb694d66eca650356aad1c46e5f645852d2380598d75e1d68ede8c60b1af0959d25d7f2bc2bf4
SSDEEP

24576:bSJS04YNEMuExDiU6E5R9s8xY/2l/d1N1Ibt+rn:bSr4auS+UjfU2TD1Ibt+r

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

5students-much.gl.at.ply.gg

Mutex

cdeaefd44a3e460aa1f102ce3cd484c5

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
12/27/2024 04:13:42
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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	454dce322fc945844e21c756cce7e3caad1e25737cf46c8f5cb6b8a95db8253d.exe

Executes dropped EXE 1 IoCs

pid	Process
4888	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	454dce322fc945844e21c756cce7e3caad1e25737cf46c8f5cb6b8a95db8253d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe
4888	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4888	AudioDriver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4888	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4488 wrote to memory of 4888	4488	454dce322fc945844e21c756cce7e3caad1e25737cf46c8f5cb6b8a95db8253d.exe	82
PID 4488 wrote to memory of 4888	4488	454dce322fc945844e21c756cce7e3caad1e25737cf46c8f5cb6b8a95db8253d.exe	82
PID 4488 wrote to memory of 4888	4488	454dce322fc945844e21c756cce7e3caad1e25737cf46c8f5cb6b8a95db8253d.exe	82

C:\Users\Admin\AppData\Local\Temp\454dce322fc945844e21c756cce7e3caad1e25737cf46c8f5cb6b8a95db8253d.exe
"C:\Users\Admin\AppData\Local\Temp\454dce322fc945844e21c756cce7e3caad1e25737cf46c8f5cb6b8a95db8253d.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4488
- 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 SetWindowsHookEx
  PID:4888

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
840KB

MD5
820ae186e5846a3bae6df8c6b38a1224

SHA1
4ce2f3f346366f580fb107c2f361319c787ea30d

SHA256
454dce322fc945844e21c756cce7e3caad1e25737cf46c8f5cb6b8a95db8253d

SHA512
d1b3bdc6112ea88fde380e2fad2827c0de998e5d39c1cff5d9fbb694d66eca650356aad1c46e5f645852d2380598d75e1d68ede8c60b1af0959d25d7f2bc2bf4

Download Submit
memory/4488-4-0x0000000005D10000-0x00000000062B4000-memory.dmp

Filesize
5.6MB

Download
memory/4488-22-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4488-3-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4488-0-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/4488-5-0x0000000005BE0000-0x0000000005C72000-memory.dmp

Filesize
584KB

Download
memory/4488-6-0x0000000005B50000-0x0000000005B9C000-memory.dmp

Filesize
304KB

Download
memory/4488-2-0x0000000005660000-0x000000000566A000-memory.dmp

Filesize
40KB

Download
memory/4488-1-0x0000000000CB0000-0x0000000000D88000-memory.dmp

Filesize
864KB

Download
memory/4488-9-0x0000000005C90000-0x0000000005CDE000-memory.dmp

Filesize
312KB

Download
memory/4888-23-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4888-21-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4888-26-0x0000000005250000-0x000000000525A000-memory.dmp

Filesize
40KB

Download
memory/4888-25-0x0000000005190000-0x00000000051A0000-memory.dmp

Filesize
64KB

Download
memory/4888-24-0x00000000059E0000-0x0000000005BA2000-memory.dmp

Filesize
1.8MB

Download
memory/4888-27-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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