Malware Analysis Report

2025-04-14 04:54

Sample ID 241213-sqz5ratrbm
Target R5ALE_Client-built.exe
SHA256 9d7cd0429734cb72bc0205287461e459c51cee40f34e5e54513da2315bf8e84a
Tags
quasar office04 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: behavioral2

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

quasar office04 spyware trojan

Quasar RAT

Quasar family

Quasar payload

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-13 15:20

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 15:20

Reported

2024-12-13 15:23

Platform

win7-20241010-en

Max time kernel

132s

Max time network

142s

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

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"

Network

Country Destination Domain Proto
US 8.8.8.8:53 Waix-40247.portmap.host 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

Files

memory/2000-0-0x000007FEF5E13000-0x000007FEF5E14000-memory.dmp

memory/2000-1-0x00000000008F0000-0x0000000000C14000-memory.dmp

memory/2000-2-0x000007FEF5E10000-0x000007FEF67FC000-memory.dmp

memory/2000-3-0x000007FEF5E13000-0x000007FEF5E14000-memory.dmp

memory/2000-4-0x000007FEF5E10000-0x000007FEF67FC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-13 15:20

Reported

2024-12-13 15:23

Platform

win10v2004-20241007-en

Max time kernel

148s

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

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"

Network

Country Destination Domain Proto
US 8.8.8.8:53 Waix-40247.portmap.host 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 50.23.12.20.in-addr.arpa udp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp
US 8.8.8.8:53 17.160.190.20.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
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
DE 193.161.193.99:40247 Waix-40247.portmap.host tcp

Files

memory/4968-0-0x00007FFB82543000-0x00007FFB82545000-memory.dmp

memory/4968-1-0x0000000000870000-0x0000000000B94000-memory.dmp

memory/4968-2-0x00007FFB82540000-0x00007FFB83001000-memory.dmp

memory/4968-3-0x000000001DB00000-0x000000001DB50000-memory.dmp

memory/4968-4-0x000000001DC10000-0x000000001DCC2000-memory.dmp

memory/4968-5-0x00007FFB82543000-0x00007FFB82545000-memory.dmp

memory/4968-6-0x00007FFB82540000-0x00007FFB83001000-memory.dmp