orcus | b22e9313124a9aa8c91f4de85a45aedb718119fc2e65d80eb72aaafb808b3269

General

Target

b22e9313124a9aa8c91f4de85a45aedb718119fc2e65d80eb72aaafb808b3269.exe
Size

839KB
MD5

35019eec56f86638a5a2e48655e99d8c
SHA1

1bef4428047087898732ccc36ed3c896190092c8
SHA256

b22e9313124a9aa8c91f4de85a45aedb718119fc2e65d80eb72aaafb808b3269
SHA512

ac4ce1fdcd2b79bf6085107aab662afd7c21c96fb5f915f2b4dca418301cafb7fd5ab6a5792f058486e3db7866a69e16271f28c305573de5cc364e1b8c16602f
SSDEEP

24576:4BS04YNEMuExDiU6E5R9s8xY/2l/dIt1Ibt+rb:4j4auS+UjfU2TIrIbt+r

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

recommended-virginia.gl.at.ply.gg

Mutex

3a3c965ab4c7460290c306ddc021159a

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
12/24/2024 02:41:53
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

Executes dropped EXE 1 IoCs

pid	Process
3012	AudioDriver.exe

Loads dropped DLL 1 IoCs

pid	Process
2072	b22e9313124a9aa8c91f4de85a45aedb718119fc2e65d80eb72aaafb808b3269.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	b22e9313124a9aa8c91f4de85a45aedb718119fc2e65d80eb72aaafb808b3269.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe
3012	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3012	AudioDriver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3012	AudioDriver.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 3012	2072	b22e9313124a9aa8c91f4de85a45aedb718119fc2e65d80eb72aaafb808b3269.exe	31
PID 2072 wrote to memory of 3012	2072	b22e9313124a9aa8c91f4de85a45aedb718119fc2e65d80eb72aaafb808b3269.exe	31
PID 2072 wrote to memory of 3012	2072	b22e9313124a9aa8c91f4de85a45aedb718119fc2e65d80eb72aaafb808b3269.exe	31
PID 2072 wrote to memory of 3012	2072	b22e9313124a9aa8c91f4de85a45aedb718119fc2e65d80eb72aaafb808b3269.exe	31

C:\Users\Admin\AppData\Local\Temp\b22e9313124a9aa8c91f4de85a45aedb718119fc2e65d80eb72aaafb808b3269.exe
"C:\Users\Admin\AppData\Local\Temp\b22e9313124a9aa8c91f4de85a45aedb718119fc2e65d80eb72aaafb808b3269.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2072
- 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:3012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

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
839KB

MD5
35019eec56f86638a5a2e48655e99d8c

SHA1
1bef4428047087898732ccc36ed3c896190092c8

SHA256
b22e9313124a9aa8c91f4de85a45aedb718119fc2e65d80eb72aaafb808b3269

SHA512
ac4ce1fdcd2b79bf6085107aab662afd7c21c96fb5f915f2b4dca418301cafb7fd5ab6a5792f058486e3db7866a69e16271f28c305573de5cc364e1b8c16602f

Download Submit
memory/2072-0-0x0000000074221000-0x0000000074222000-memory.dmp

Filesize
4KB

Download
memory/2072-1-0x0000000074220000-0x00000000747CB000-memory.dmp

Filesize
5.7MB

Download
memory/2072-2-0x0000000074220000-0x00000000747CB000-memory.dmp

Filesize
5.7MB

Download
memory/2072-11-0x0000000074220000-0x00000000747CB000-memory.dmp

Filesize
5.7MB

Download
memory/3012-12-0x0000000074220000-0x00000000747CB000-memory.dmp

Filesize
5.7MB

Download
memory/3012-13-0x0000000074220000-0x00000000747CB000-memory.dmp

Filesize
5.7MB

Download
memory/3012-14-0x0000000074220000-0x00000000747CB000-memory.dmp

Filesize
5.7MB

Download
memory/3012-15-0x0000000074220000-0x00000000747CB000-memory.dmp

Filesize
5.7MB

Download
memory/3012-16-0x0000000074220000-0x00000000747CB000-memory.dmp

Filesize
5.7MB

Download

Analysis

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