orcus | b1bdbd644ce5e7847dce4f459039bcf254d443424ee7e7d4beab7fccd71af377

General

Target

b1bdbd644ce5e7847dce4f459039bcf254d443424ee7e7d4beab7fccd71af377.exe
Size

1.2MB
MD5

64ab45128a8e4e5be46efcadad954cc9
SHA1

5b2bf4867520bf9a0e9dc67ed4f3abab0efd23d1
SHA256

b1bdbd644ce5e7847dce4f459039bcf254d443424ee7e7d4beab7fccd71af377
SHA512

22daf8f4e577a896a8f7e6a1b20e6a762d474747eaaea8ec2c3c91cdcb848141f472171bb322ecaf9762d1fdf70aac7ee41ccd8b07533a1f15603f5f6540f92a
SSDEEP

24576:k5WHS04YNEMuExDiU6E5R9s8xY/2l/dRJ5dtsPxNGfyiIbt+rl:k5Wd4auS+UjfU2T/5XDtIbt+r

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

192.168.0.105

Mutex

35d48f7b63f846579b6984fdf079d88c

Attributes

administration_rights_required
false
anti_debugger
false
anti_tcp_analyzer
false
antivm
false
autostart_method
2
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
11/22/2024 10:50:42
plugins
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
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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	b1bdbd644ce5e7847dce4f459039bcf254d443424ee7e7d4beab7fccd71af377.exe

Executes dropped EXE 2 IoCs

pid	Process
2196	WindowsInput.exe
2776	AudioDriver.exe

Loads dropped DLL 1 IoCs

pid	Process
2776	AudioDriver.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe	b1bdbd644ce5e7847dce4f459039bcf254d443424ee7e7d4beab7fccd71af377.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	b1bdbd644ce5e7847dce4f459039bcf254d443424ee7e7d4beab7fccd71af377.exe

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe
2776	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2776	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2776	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2776	AudioDriver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2776	AudioDriver.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1016 wrote to memory of 2196	1016	b1bdbd644ce5e7847dce4f459039bcf254d443424ee7e7d4beab7fccd71af377.exe	84
PID 1016 wrote to memory of 2196	1016	b1bdbd644ce5e7847dce4f459039bcf254d443424ee7e7d4beab7fccd71af377.exe	84
PID 1016 wrote to memory of 2776	1016	b1bdbd644ce5e7847dce4f459039bcf254d443424ee7e7d4beab7fccd71af377.exe	85
PID 1016 wrote to memory of 2776	1016	b1bdbd644ce5e7847dce4f459039bcf254d443424ee7e7d4beab7fccd71af377.exe	85
PID 1016 wrote to memory of 2776	1016	b1bdbd644ce5e7847dce4f459039bcf254d443424ee7e7d4beab7fccd71af377.exe	85

C:\Users\Admin\AppData\Local\Temp\b1bdbd644ce5e7847dce4f459039bcf254d443424ee7e7d4beab7fccd71af377.exe
"C:\Users\Admin\AppData\Local\Temp\b1bdbd644ce5e7847dce4f459039bcf254d443424ee7e7d4beab7fccd71af377.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2196
- 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 FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:2776

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\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
64ab45128a8e4e5be46efcadad954cc9

SHA1
5b2bf4867520bf9a0e9dc67ed4f3abab0efd23d1

SHA256
b1bdbd644ce5e7847dce4f459039bcf254d443424ee7e7d4beab7fccd71af377

SHA512
22daf8f4e577a896a8f7e6a1b20e6a762d474747eaaea8ec2c3c91cdcb848141f472171bb322ecaf9762d1fdf70aac7ee41ccd8b07533a1f15603f5f6540f92a

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

Filesize
597B

MD5
c2291863df7c2d3038ce3c22fa276506

SHA1
7b7d2bc07a6c35523807342c747c9b6a19f3184e

SHA256
14504199bede3f46129969dbd2b7680f2e5b7fcd73a3e427ce1bb6217a6d13da

SHA512
00bf40174a67e3e663d18a887c5b461a1e5ead0b27f0a139d87969158c58f4ca72cfa5a731dda239356192ca4cb5ac6ae2b0e37401d534e686cabacd3cbee8fa

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

Filesize
21KB

MD5
e854a4636afc652b320e12e50ba4080e

SHA1
8a4ac6ecc22ee5f3a8ec846d38b41ff18c641fdc

SHA256
94b9c78c6fa2bf61fba20a08ad4563f7dd2f5668c28eff227965ce0a2032d5d5

SHA512
30aabd5079b6ed0948eb70fd18e9166096e4ba5d1d47fc35b7270f931d19bbe6cd929b6010f70297bf5272dc5a79e2523721354d211c4080d68ad8d17e316118

Download Submit
memory/1016-12-0x0000000006800000-0x000000000680C000-memory.dmp

Filesize
48KB

Download
memory/1016-8-0x00000000066E0000-0x00000000066E8000-memory.dmp

Filesize
32KB

Download
memory/1016-6-0x00000000059A0000-0x00000000059EC000-memory.dmp

Filesize
304KB

Download
memory/1016-7-0x0000000005D70000-0x0000000005DD6000-memory.dmp

Filesize
408KB

Download
memory/1016-9-0x0000000006700000-0x0000000006708000-memory.dmp

Filesize
32KB

Download
memory/1016-10-0x0000000006720000-0x00000000067D8000-memory.dmp

Filesize
736KB

Download
memory/1016-4-0x0000000005FE0000-0x0000000006584000-memory.dmp

Filesize
5.6MB

Download
memory/1016-5-0x0000000005CD0000-0x0000000005D62000-memory.dmp

Filesize
584KB

Download
memory/1016-11-0x0000000006820000-0x0000000006842000-memory.dmp

Filesize
136KB

Download
memory/1016-3-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/1016-2-0x00000000031D0000-0x00000000031DA000-memory.dmp

Filesize
40KB

Download
memory/1016-74-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/1016-1-0x0000000000CA0000-0x0000000000DD4000-memory.dmp

Filesize
1.2MB

Download
memory/1016-61-0x0000000006EF0000-0x0000000006F08000-memory.dmp

Filesize
96KB

Download
memory/1016-0-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/1016-60-0x0000000006EA0000-0x0000000006EEE000-memory.dmp

Filesize
312KB

Download
memory/2196-28-0x00007FFA80F40000-0x00007FFA818E1000-memory.dmp

Filesize
9.6MB

Download
memory/2196-24-0x00007FFA811F5000-0x00007FFA811F6000-memory.dmp

Filesize
4KB

Download
memory/2196-39-0x000000001C3A0000-0x000000001C86E000-memory.dmp

Filesize
4.8MB

Download
memory/2196-57-0x00007FFA80F40000-0x00007FFA818E1000-memory.dmp

Filesize
9.6MB

Download
memory/2196-31-0x000000001BA40000-0x000000001BA64000-memory.dmp

Filesize
144KB

Download
memory/2196-27-0x00007FFA80F40000-0x00007FFA818E1000-memory.dmp

Filesize
9.6MB

Download
memory/2196-25-0x000000001B6E0000-0x000000001B6F8000-memory.dmp

Filesize
96KB

Download
memory/2196-40-0x000000001C910000-0x000000001C9AC000-memory.dmp

Filesize
624KB

Download
memory/2196-26-0x000000001B720000-0x000000001B740000-memory.dmp

Filesize
128KB

Download
memory/2776-75-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/2776-76-0x0000000005AA0000-0x0000000005AB8000-memory.dmp

Filesize
96KB

Download
memory/2776-77-0x0000000005D50000-0x0000000005F12000-memory.dmp

Filesize
1.8MB

Download
memory/2776-78-0x0000000005B30000-0x0000000005B40000-memory.dmp

Filesize
64KB

Download
memory/2776-73-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/2776-87-0x0000000006650000-0x000000000665A000-memory.dmp

Filesize
40KB

Download
memory/2776-88-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/2776-89-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/2776-90-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download

Analysis

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