Malware Analysis Report

2025-01-22 15:02

Sample ID 241201-1ve95symgq
Target Orcus Fps Booster.exe
SHA256 734f7e31a89489e3eb5ed2413aa0b5f969e3c6b56856dd126539855af7e451ad
Tags
discovery rat orcus
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

734f7e31a89489e3eb5ed2413aa0b5f969e3c6b56856dd126539855af7e451ad

Threat Level: Known bad

The file Orcus Fps Booster.exe was found to be: Known bad.

Malicious Activity Summary

discovery rat orcus

Orcus family

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Drops desktop.ini file(s)

Drops file in Windows directory

Enumerates physical storage devices

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of SendNotifyMessage

Suspicious use of FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-01 21:57

Signatures

Orcus family

orcus

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-01 21:57

Reported

2024-12-01 22:00

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe N/A

Drops desktop.ini file(s)

Description Indicator Process Target
File created C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe N/A
File opened for modification C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe N/A
File opened for modification C:\Windows\assembly C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe N/A
File created C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe

"C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 score-extreme.gl.at.ply.gg udp
US 147.185.221.22:54312 score-extreme.gl.at.ply.gg tcp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 22.221.185.147.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 70.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 66.208.201.84.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

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

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

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

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

MD5 a67792fb3a23cf0a7019b76a2a216c01
SHA1 b1fadfbe54dad7eb72e7cf651ca6eff07f1f9a87
SHA256 734f7e31a89489e3eb5ed2413aa0b5f969e3c6b56856dd126539855af7e451ad
SHA512 8a108add3ccd767b1fd6c983aeae88c4819f92cc94ea8223ba1c987773556daa90165034be01cd5fc51a884e65ddce63aa56844def3b4cdc0cdf4508bc07e97b

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

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

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

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

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

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

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-01 21:57

Reported

2024-12-01 22:00

Platform

win7-20240903-en

Max time kernel

122s

Max time network

132s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe

"C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 score-extreme.gl.at.ply.gg udp
US 147.185.221.22:54312 score-extreme.gl.at.ply.gg tcp

Files

memory/2696-0-0x0000000074601000-0x0000000074602000-memory.dmp

memory/2696-1-0x0000000074600000-0x0000000074BAB000-memory.dmp

memory/2696-2-0x0000000074600000-0x0000000074BAB000-memory.dmp

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

MD5 a67792fb3a23cf0a7019b76a2a216c01
SHA1 b1fadfbe54dad7eb72e7cf651ca6eff07f1f9a87
SHA256 734f7e31a89489e3eb5ed2413aa0b5f969e3c6b56856dd126539855af7e451ad
SHA512 8a108add3ccd767b1fd6c983aeae88c4819f92cc94ea8223ba1c987773556daa90165034be01cd5fc51a884e65ddce63aa56844def3b4cdc0cdf4508bc07e97b

memory/2696-11-0x0000000074600000-0x0000000074BAB000-memory.dmp

memory/2748-12-0x0000000074600000-0x0000000074BAB000-memory.dmp

memory/2748-13-0x0000000074600000-0x0000000074BAB000-memory.dmp

memory/2748-14-0x0000000074600000-0x0000000074BAB000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\CabF691.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

memory/2748-31-0x0000000074600000-0x0000000074BAB000-memory.dmp

memory/2748-33-0x0000000074600000-0x0000000074BAB000-memory.dmp