orcus | 92ffaa21da793fcc3954002c2e0070a61b72e30a63091948020433e0e713dfeb

General

Target

92ffaa21da793fcc3954002c2e0070a61b72e30a63091948020433e0e713dfeb.exe
Size

938KB
MD5

7e20fb5ccb4ee4d082463bf93676609f
SHA1

3d19d8c3c110c51f00d8acfa409a03f2b1d4ada3
SHA256

92ffaa21da793fcc3954002c2e0070a61b72e30a63091948020433e0e713dfeb
SHA512

070aa0312e44063ca03bb38e19153840cc38ab76f291a3db701c52d58a69e1c43223cfce3cedfc1933c0ba472513473d63ac926abc13aa589cff19377a7f33a1
SSDEEP

24576:SxYS04YNEMuExDiU6E5R9s8xY/2l/dqLc83SIbt+r6vzfc:SxA4auS+UjfU2TAt3SIbt+rMf

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

127.0.0.1

Mutex

8a7dd5f5b1d2409b918e3dcfb5b43d28

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
01/13/2025 09:33:33
plugins
AgUFl6aNkQPXkQKOmwKLvFcpr24sKCsVRABpAHMAYQBiAGwAZQAgAFcAZQBiAGMAYQBtACAATABpAGcAaAB0AHMABwMxAC4AMABBIDMAYwA3ADMANAAyADcAYQBjAGMANQBlADQAYwBjADkAOQA0ADAAMwA1ADYAZABjADAAZAAxADEAYQA5ADMAZAABAAAAAgI=
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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	92ffaa21da793fcc3954002c2e0070a61b72e30a63091948020433e0e713dfeb.exe

Executes dropped EXE 2 IoCs

pid	Process
3532	WindowsInput.exe
4696	AudioDriver.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe	92ffaa21da793fcc3954002c2e0070a61b72e30a63091948020433e0e713dfeb.exe
File opened for modification	C:\Windows\SysWOW64\WindowsInput.InstallLog	WindowsInput.exe
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.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	92ffaa21da793fcc3954002c2e0070a61b72e30a63091948020433e0e713dfeb.exe

Suspicious behavior: EnumeratesProcesses 39 IoCs

pid	Process
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe
4696	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4696	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4696	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4696	AudioDriver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4696	AudioDriver.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 3532	1940	92ffaa21da793fcc3954002c2e0070a61b72e30a63091948020433e0e713dfeb.exe	83
PID 1940 wrote to memory of 3532	1940	92ffaa21da793fcc3954002c2e0070a61b72e30a63091948020433e0e713dfeb.exe	83
PID 1940 wrote to memory of 4696	1940	92ffaa21da793fcc3954002c2e0070a61b72e30a63091948020433e0e713dfeb.exe	84
PID 1940 wrote to memory of 4696	1940	92ffaa21da793fcc3954002c2e0070a61b72e30a63091948020433e0e713dfeb.exe	84
PID 1940 wrote to memory of 4696	1940	92ffaa21da793fcc3954002c2e0070a61b72e30a63091948020433e0e713dfeb.exe	84

C:\Users\Admin\AppData\Local\Temp\92ffaa21da793fcc3954002c2e0070a61b72e30a63091948020433e0e713dfeb.exe
"C:\Users\Admin\AppData\Local\Temp\92ffaa21da793fcc3954002c2e0070a61b72e30a63091948020433e0e713dfeb.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:3532
- 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
  - Suspicious use of SetWindowsHookEx
  PID:4696

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

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Downloads

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

Filesize
938KB

MD5
7e20fb5ccb4ee4d082463bf93676609f

SHA1
3d19d8c3c110c51f00d8acfa409a03f2b1d4ada3

SHA256
92ffaa21da793fcc3954002c2e0070a61b72e30a63091948020433e0e713dfeb

SHA512
070aa0312e44063ca03bb38e19153840cc38ab76f291a3db701c52d58a69e1c43223cfce3cedfc1933c0ba472513473d63ac926abc13aa589cff19377a7f33a1

Download Submit
C:\Windows\SysWOW64\WindowsInput.InstallLog

Filesize
224B

MD5
e469dda91ae810a1f94c96060f3f8a65

SHA1
0b4b3b0f6f937016b1e045ce5313ee2a65a38630

SHA256
d42fee8db8eb0e047ca53ad59b1c9bc69fe04993be36fec502e3532371908842

SHA512
2eb4037361c03e195c642a53f55a3182a6df19903db503060e366f2394750e64ae04fdaace61ef5a6dba649defc88322d78edd2928bc53ebd1ce11d68cc88dac

Download Submit
C:\Windows\SysWOW64\WindowsInput.exe

Filesize
21KB

MD5
e854a4636afc652b320e12e50ba4080e

SHA1
8a4ac6ecc22ee5f3a8ec846d38b41ff18c641fdc

SHA256
94b9c78c6fa2bf61fba20a08ad4563f7dd2f5668c28eff227965ce0a2032d5d5

SHA512
30aabd5079b6ed0948eb70fd18e9166096e4ba5d1d47fc35b7270f931d19bbe6cd929b6010f70297bf5272dc5a79e2523721354d211c4080d68ad8d17e316118

Download Submit
memory/1940-57-0x0000000005D70000-0x0000000005DBE000-memory.dmp

Filesize
312KB

Download
memory/1940-3-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/1940-5-0x0000000005080000-0x0000000005112000-memory.dmp

Filesize
584KB

Download
memory/1940-9-0x0000000005140000-0x000000000514C000-memory.dmp

Filesize
48KB

Download
memory/1940-8-0x0000000005730000-0x0000000005752000-memory.dmp

Filesize
136KB

Download
memory/1940-7-0x0000000005070000-0x0000000005078000-memory.dmp

Filesize
32KB

Download
memory/1940-2-0x0000000002480000-0x000000000248A000-memory.dmp

Filesize
40KB

Download
memory/1940-4-0x0000000005180000-0x0000000005724000-memory.dmp

Filesize
5.6MB

Download
memory/1940-69-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/1940-1-0x0000000000120000-0x0000000000212000-memory.dmp

Filesize
968KB

Download
memory/1940-0-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

Filesize
4KB

Download
memory/1940-6-0x0000000004FF0000-0x000000000503C000-memory.dmp

Filesize
304KB

Download
memory/3532-24-0x00007FFA20A60000-0x00007FFA21401000-memory.dmp

Filesize
9.6MB

Download
memory/3532-21-0x00007FFA20D15000-0x00007FFA20D16000-memory.dmp

Filesize
4KB

Download
memory/3532-28-0x000000001BC70000-0x000000001BC94000-memory.dmp

Filesize
144KB

Download
memory/3532-36-0x000000001C5D0000-0x000000001CA9E000-memory.dmp

Filesize
4.8MB

Download
memory/3532-37-0x000000001CB40000-0x000000001CBDC000-memory.dmp

Filesize
624KB

Download
memory/3532-54-0x00007FFA20A60000-0x00007FFA21401000-memory.dmp

Filesize
9.6MB

Download
memory/3532-22-0x0000000001350000-0x0000000001368000-memory.dmp

Filesize
96KB

Download
memory/3532-23-0x0000000001390000-0x00000000013B0000-memory.dmp

Filesize
128KB

Download
memory/3532-25-0x00007FFA20A60000-0x00007FFA21401000-memory.dmp

Filesize
9.6MB

Download
memory/4696-70-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/4696-72-0x0000000005C50000-0x0000000005C60000-memory.dmp

Filesize
64KB

Download
memory/4696-71-0x0000000006420000-0x00000000065E2000-memory.dmp

Filesize
1.8MB

Download
memory/4696-73-0x0000000006720000-0x000000000672A000-memory.dmp

Filesize
40KB

Download
memory/4696-74-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

Filesize
4KB

Download
memory/4696-75-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download

Analysis

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