734f7e31a89489e3eb5ed2413aa0b5f969e3c6b56856dd126539855af7e451ad

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-12-2024 21:57

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General

Target

Orcus Fps Booster.exe
Size

839KB
MD5

a67792fb3a23cf0a7019b76a2a216c01
SHA1

b1fadfbe54dad7eb72e7cf651ca6eff07f1f9a87
SHA256

734f7e31a89489e3eb5ed2413aa0b5f969e3c6b56856dd126539855af7e451ad
SHA512

8a108add3ccd767b1fd6c983aeae88c4819f92cc94ea8223ba1c987773556daa90165034be01cd5fc51a884e65ddce63aa56844def3b4cdc0cdf4508bc07e97b
SSDEEP

24576:IxdS04YNEMuExDiU6E5R9s8xY/2l/d2tnIbt+r7:YP4auS+UjfU2T2dIbt+r

Score

7^/10

discovery

Malware Config

Signatures

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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	Orcus Fps Booster.exe

Executes dropped EXE 1 IoCs

pid	Process
3468	AudioDriver.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	Orcus Fps Booster.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	Orcus Fps Booster.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly\Desktop.ini	Orcus Fps Booster.exe
File opened for modification	C:\Windows\assembly	Orcus Fps Booster.exe
File created	C:\Windows\assembly\Desktop.ini	Orcus Fps Booster.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	Orcus Fps Booster.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3468	AudioDriver.exe
3468	AudioDriver.exe
3468	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3468	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3468	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
3468	AudioDriver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3468	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 3468	2004	Orcus Fps Booster.exe	83
PID 2004 wrote to memory of 3468	2004	Orcus Fps Booster.exe	83
PID 2004 wrote to memory of 3468	2004	Orcus Fps Booster.exe	83

C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe
"C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe"
1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2004
- 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:3468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

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
a67792fb3a23cf0a7019b76a2a216c01

SHA1
b1fadfbe54dad7eb72e7cf651ca6eff07f1f9a87

SHA256
734f7e31a89489e3eb5ed2413aa0b5f969e3c6b56856dd126539855af7e451ad

SHA512
8a108add3ccd767b1fd6c983aeae88c4819f92cc94ea8223ba1c987773556daa90165034be01cd5fc51a884e65ddce63aa56844def3b4cdc0cdf4508bc07e97b

Download Submit
memory/2004-0-0x00000000749F2000-0x00000000749F3000-memory.dmp

Filesize
4KB

Download
memory/2004-1-0x00000000749F0000-0x0000000074FA1000-memory.dmp

Filesize
5.7MB

Download
memory/2004-2-0x00000000749F0000-0x0000000074FA1000-memory.dmp

Filesize
5.7MB

Download
memory/2004-19-0x00000000749F0000-0x0000000074FA1000-memory.dmp

Filesize
5.7MB

Download
memory/3468-20-0x00000000749F0000-0x0000000074FA1000-memory.dmp

Filesize
5.7MB

Download
memory/3468-21-0x00000000749F0000-0x0000000074FA1000-memory.dmp

Filesize
5.7MB

Download
memory/3468-18-0x00000000749F0000-0x0000000074FA1000-memory.dmp

Filesize
5.7MB

Download
memory/3468-22-0x00000000749F0000-0x0000000074FA1000-memory.dmp

Filesize
5.7MB

Download
memory/3468-25-0x00000000749F0000-0x0000000074FA1000-memory.dmp

Filesize
5.7MB

Download
memory/3468-26-0x00000000749F0000-0x0000000074FA1000-memory.dmp

Filesize
5.7MB

Download