Malware Analysis Report

2025-04-14 04:54

Sample ID 241213-sylmbsvkap
Target R5ALE_Client-built.exe
SHA256 9d7cd0429734cb72bc0205287461e459c51cee40f34e5e54513da2315bf8e84a
Tags
office04 quasar spyware trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

9d7cd0429734cb72bc0205287461e459c51cee40f34e5e54513da2315bf8e84a

Threat Level: Known bad

The file R5ALE_Client-built.exe was found to be: Known bad.

Malicious Activity Summary

office04 quasar spyware trojan

Quasar family

Quasar RAT

Quasar payload

Unsigned PE

Enumerates physical storage devices

Checks processor information in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Enumerates system info in registry

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-13 15:32

Signatures

Quasar family

quasar

Quasar payload

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-13 15:32

Reported

2024-12-13 15:35

Platform

win10v2004-20241007-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\R5ALE_Client-built.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar family

quasar

Quasar payload

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

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE N/A
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\R5ALE_Client-built.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\R5ALE_Client-built.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\R5ALE_Client-built.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\R5ALE_Client-built.exe

"C:\Users\Admin\AppData\Local\Temp\R5ALE_Client-built.exe"

C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE

"C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE" "C:\Users\Admin\Desktop\DisconnectGet.pptm" /ou ""

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 Waix-40247.portmap.host udp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
GB 52.109.28.47:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 97.32.109.52.in-addr.arpa udp
US 8.8.8.8:53 47.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp
US 8.8.8.8:53 28.173.189.20.in-addr.arpa udp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp
US 8.8.8.8:53 21.49.80.91.in-addr.arpa udp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp

Files

memory/1376-0-0x00007FFB308F3000-0x00007FFB308F5000-memory.dmp

memory/1376-1-0x0000000000310000-0x0000000000634000-memory.dmp

memory/1376-2-0x00007FFB308F0000-0x00007FFB313B1000-memory.dmp

memory/1376-3-0x000000001D3A0000-0x000000001D3F0000-memory.dmp

memory/1376-4-0x000000001D4B0000-0x000000001D562000-memory.dmp

memory/1376-5-0x00007FFB308F3000-0x00007FFB308F5000-memory.dmp

memory/1376-6-0x00007FFB308F0000-0x00007FFB313B1000-memory.dmp

memory/1588-7-0x00007FFB0E9F0000-0x00007FFB0EA00000-memory.dmp

memory/1588-9-0x00007FFB0E9F0000-0x00007FFB0EA00000-memory.dmp

memory/1588-10-0x00007FFB4EA0D000-0x00007FFB4EA0E000-memory.dmp

memory/1588-11-0x00007FFB0E9F0000-0x00007FFB0EA00000-memory.dmp

memory/1588-12-0x00007FFB0E9F0000-0x00007FFB0EA00000-memory.dmp

memory/1588-8-0x00007FFB0E9F0000-0x00007FFB0EA00000-memory.dmp

memory/1588-14-0x00007FFB4E970000-0x00007FFB4EB65000-memory.dmp

memory/1588-13-0x00007FFB4E970000-0x00007FFB4EB65000-memory.dmp

memory/1588-17-0x00007FFB4E970000-0x00007FFB4EB65000-memory.dmp

memory/1588-19-0x00007FFB4E970000-0x00007FFB4EB65000-memory.dmp

memory/1588-20-0x00007FFB4E970000-0x00007FFB4EB65000-memory.dmp

memory/1588-18-0x00007FFB4E970000-0x00007FFB4EB65000-memory.dmp

memory/1588-21-0x00007FFB4E970000-0x00007FFB4EB65000-memory.dmp

memory/1588-22-0x00007FFB0C8F0000-0x00007FFB0C900000-memory.dmp

memory/1588-16-0x00007FFB4E970000-0x00007FFB4EB65000-memory.dmp

memory/1588-15-0x00007FFB4E970000-0x00007FFB4EB65000-memory.dmp

memory/1588-23-0x00007FFB0C8F0000-0x00007FFB0C900000-memory.dmp

memory/1588-44-0x00007FFB4E970000-0x00007FFB4EB65000-memory.dmp

memory/1588-46-0x00007FFB4E970000-0x00007FFB4EB65000-memory.dmp

memory/1588-45-0x00007FFB4E970000-0x00007FFB4EB65000-memory.dmp

memory/1588-52-0x00007FFB4E970000-0x00007FFB4EB65000-memory.dmp

memory/1588-54-0x00007FFB4E970000-0x00007FFB4EB65000-memory.dmp

memory/1588-53-0x00007FFB4E970000-0x00007FFB4EB65000-memory.dmp

memory/1588-51-0x00007FFB4E970000-0x00007FFB4EB65000-memory.dmp

memory/1588-50-0x00007FFB4E970000-0x00007FFB4EB65000-memory.dmp

memory/1588-55-0x00007FFB4E970000-0x00007FFB4EB65000-memory.dmp

memory/1588-56-0x00007FFB4E970000-0x00007FFB4EB65000-memory.dmp

memory/1588-58-0x00007FFB0E9F0000-0x00007FFB0EA00000-memory.dmp

memory/1588-60-0x00007FFB0E9F0000-0x00007FFB0EA00000-memory.dmp

memory/1588-59-0x00007FFB0E9F0000-0x00007FFB0EA00000-memory.dmp

memory/1588-57-0x00007FFB0E9F0000-0x00007FFB0EA00000-memory.dmp

memory/1588-61-0x00007FFB4E970000-0x00007FFB4EB65000-memory.dmp