orcus | bd083908769384e739c3d73c8e70199e05713f4e523c427fa95d3130eeae7577

General

Target

Setup.exe
Size

839KB
MD5

ac2ac0c5fd81fe3aaa4edd9313e72741
SHA1

75589469b96cb2e1a355d7230e1d4422033adaf9
SHA256

bd083908769384e739c3d73c8e70199e05713f4e523c427fa95d3130eeae7577
SHA512

51a0bf3ad766b129971149f2cf8f0351d9f3980a5d2840093d315fe2791b7132d5ca1ad934096f8e63f05246d1caf8b153888abef045076a43e249bd4d8aeb8c
SSDEEP

24576:jxdS04YNEMuExDiU6E5R9s8xY/2l/d2tnIbt+rZ:FP4auS+UjfU2T2dIbt+r

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

7custom-hanging.gl.at.ply.gg

Mutex

a3623b4ad20e421eb94c77db6eb094c1

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
12/19/2024 19:04:03
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
2532	AudioDriver.exe

Loads dropped DLL 1 IoCs

pid	Process
2384	Setup.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	Setup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2532	AudioDriver.exe
2532	AudioDriver.exe
2532	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2532	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2532	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2532	AudioDriver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2532	AudioDriver.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2532	2384	Setup.exe	31
PID 2384 wrote to memory of 2532	2384	Setup.exe	31
PID 2384 wrote to memory of 2532	2384	Setup.exe	31
PID 2384 wrote to memory of 2532	2384	Setup.exe	31

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- 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:2532

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabD9DD.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
839KB

MD5
ac2ac0c5fd81fe3aaa4edd9313e72741

SHA1
75589469b96cb2e1a355d7230e1d4422033adaf9

SHA256
bd083908769384e739c3d73c8e70199e05713f4e523c427fa95d3130eeae7577

SHA512
51a0bf3ad766b129971149f2cf8f0351d9f3980a5d2840093d315fe2791b7132d5ca1ad934096f8e63f05246d1caf8b153888abef045076a43e249bd4d8aeb8c

Download Submit
memory/2384-2-0x0000000073FC0000-0x000000007456B000-memory.dmp

Filesize
5.7MB

Download
memory/2384-0-0x0000000073FC1000-0x0000000073FC2000-memory.dmp

Filesize
4KB

Download
memory/2384-11-0x0000000073FC0000-0x000000007456B000-memory.dmp

Filesize
5.7MB

Download
memory/2384-1-0x0000000073FC0000-0x000000007456B000-memory.dmp

Filesize
5.7MB

Download
memory/2532-13-0x0000000073FC0000-0x000000007456B000-memory.dmp

Filesize
5.7MB

Download
memory/2532-12-0x0000000073FC0000-0x000000007456B000-memory.dmp

Filesize
5.7MB

Download
memory/2532-15-0x0000000073FC0000-0x000000007456B000-memory.dmp

Filesize
5.7MB

Download
memory/2532-14-0x0000000073FC0000-0x000000007456B000-memory.dmp

Filesize
5.7MB

Download
memory/2532-32-0x0000000073FC0000-0x000000007456B000-memory.dmp

Filesize
5.7MB

Download
memory/2532-33-0x0000000073FC0000-0x000000007456B000-memory.dmp

Filesize
5.7MB

Download
memory/2532-35-0x0000000073FC0000-0x000000007456B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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