orcus | a2172a9118b8474807e70336b7db893b10669e59daaf4dfb51d3ecd1bccbca50

General

Target

a2172a9118b8474807e70336b7db893b10669e59daaf4dfb51d3ecd1bccbca50.exe
Size

846KB
MD5

c1252c7ca211eb57854c566c98945afa
SHA1

d4d192dc0c540c994f9226ecedab63ec00249eda
SHA256

a2172a9118b8474807e70336b7db893b10669e59daaf4dfb51d3ecd1bccbca50
SHA512

26c5acab67fb3d9db8633bb8ad634889436771c4dca9b3a3d0d373cbece559134a4d7bd04ce376bd34fd186b70dcce917bd3302aed0dda356fd6a4f03b8d1e6e
SSDEEP

24576:VieYS04YNEMuExDiU6E5R9s8xY/2l/dFoIbt+ra:VjA4auS+UjfU2TuIbt+r

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

147.185.221.26

Z;within-contacted.gl.at.ply.gg

Mutex

2d0098cbc4bd4aba8c98855f073ddae5

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
02/15/2025 16:16:16
plugins
AgUFyfihswTdIPqEArukcmEdSF06Hw9CAFMAbwBEACAAUAByAG8AdABlAGMAdABpAG8AbgAHAzEALgAwAEEgYgA1AGEANAA3AGUANQBhADYAOABmAGEANABiADMAMgBiADMAYgA4AGYAMwBhADIAMQBlAGQANwBkADEAZQA1AAEFl6aNkQPXkQKOmwKLvFcpr24sKCsVRABpAHMAYQBiAGwAZQAgAFcAZQBiAGMAYQBtACAATABpAGcAaAB0AHMABwMxAC4AMABBIGIANQAwAGIANgAzAGUAZAAwADEAOQA2ADQANgA2AGEAYgBiADAANQA5AGEAOQA1AGUAZgA2AGQAZAA4ADEAYQABAAAEBA==
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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
63	4664	Process not Found

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-1-5-21-3311063739-2594902809-44604183-1000\Control Panel\International\Geo\Nation	a2172a9118b8474807e70336b7db893b10669e59daaf4dfb51d3ecd1bccbca50.exe

Executes dropped EXE 1 IoCs

pid	Process
4272	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 3 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	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a2172a9118b8474807e70336b7db893b10669e59daaf4dfb51d3ecd1bccbca50.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1208	MicrosoftEdgeUpdate.exe

Suspicious behavior: EnumeratesProcesses 37 IoCs

pid	Process
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe
4272	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4272	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4272	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4272	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4736 wrote to memory of 4272	4736	a2172a9118b8474807e70336b7db893b10669e59daaf4dfb51d3ecd1bccbca50.exe	90
PID 4736 wrote to memory of 4272	4736	a2172a9118b8474807e70336b7db893b10669e59daaf4dfb51d3ecd1bccbca50.exe	90
PID 4736 wrote to memory of 4272	4736	a2172a9118b8474807e70336b7db893b10669e59daaf4dfb51d3ecd1bccbca50.exe	90

C:\Users\Admin\AppData\Local\Temp\a2172a9118b8474807e70336b7db893b10669e59daaf4dfb51d3ecd1bccbca50.exe
"C:\Users\Admin\AppData\Local\Temp\a2172a9118b8474807e70336b7db893b10669e59daaf4dfb51d3ecd1bccbca50.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4736
- 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:4272

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI4IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU5ODUiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODQ0NDQzNjAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0OTIyMjI3Nzg1Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:1208

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

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
846KB

MD5
c1252c7ca211eb57854c566c98945afa

SHA1
d4d192dc0c540c994f9226ecedab63ec00249eda

SHA256
a2172a9118b8474807e70336b7db893b10669e59daaf4dfb51d3ecd1bccbca50

SHA512
26c5acab67fb3d9db8633bb8ad634889436771c4dca9b3a3d0d373cbece559134a4d7bd04ce376bd34fd186b70dcce917bd3302aed0dda356fd6a4f03b8d1e6e

Download Submit
memory/4272-29-0x0000000073880000-0x0000000074030000-memory.dmp

Filesize
7.7MB

Download
memory/4272-28-0x0000000006880000-0x000000000688A000-memory.dmp

Filesize
40KB

Download
memory/4272-27-0x0000000005C90000-0x0000000005CA0000-memory.dmp

Filesize
64KB

Download
memory/4272-26-0x0000000006440000-0x0000000006602000-memory.dmp

Filesize
1.8MB

Download
memory/4272-25-0x0000000073880000-0x0000000074030000-memory.dmp

Filesize
7.7MB

Download
memory/4272-23-0x0000000073880000-0x0000000074030000-memory.dmp

Filesize
7.7MB

Download
memory/4736-4-0x0000000005840000-0x0000000005DE4000-memory.dmp

Filesize
5.6MB

Download
memory/4736-8-0x0000000005520000-0x0000000005528000-memory.dmp

Filesize
32KB

Download
memory/4736-11-0x00000000055E0000-0x000000000562E000-memory.dmp

Filesize
312KB

Download
memory/4736-7-0x0000000005500000-0x0000000005508000-memory.dmp

Filesize
32KB

Download
memory/4736-6-0x0000000005490000-0x00000000054DC000-memory.dmp

Filesize
304KB

Download
memory/4736-5-0x0000000005530000-0x00000000055C2000-memory.dmp

Filesize
584KB

Download
memory/4736-24-0x0000000073880000-0x0000000074030000-memory.dmp

Filesize
7.7MB

Download
memory/4736-0-0x000000007388E000-0x000000007388F000-memory.dmp

Filesize
4KB

Download
memory/4736-3-0x0000000073880000-0x0000000074030000-memory.dmp

Filesize
7.7MB

Download
memory/4736-2-0x0000000002AA0000-0x0000000002AAA000-memory.dmp

Filesize
40KB

Download
memory/4736-1-0x00000000005E0000-0x00000000006BA000-memory.dmp

Filesize
872KB

Download

Analysis

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