Malware Analysis Report

2024-10-23 21:24

Sample ID 240805-fr37ksxfkj
Target dwdwdw.exe
SHA256 9fca56ce9e20354eae217b70b07955ebb8d44ea28f3a090c696e330c22cfb4da
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

9fca56ce9e20354eae217b70b07955ebb8d44ea28f3a090c696e330c22cfb4da

Threat Level: Known bad

The file dwdwdw.exe was found to be: Known bad.

Malicious Activity Summary

office04 quasar spyware trojan

Quasar family

Quasar payload

Quasar RAT

Unsigned PE

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-05 05:07

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

2024-08-05 05:07

Reported

2024-08-05 05:09

Platform

win7-20240705-en

Max time kernel

135s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dwdwdw.exe"

Signatures

Quasar RAT

trojan spyware 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\dwdwdw.exe N/A

Suspicious use of FindShellTrayWindow

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

Suspicious use of SendNotifyMessage

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

Processes

C:\Users\Admin\AppData\Local\Temp\dwdwdw.exe

"C:\Users\Admin\AppData\Local\Temp\dwdwdw.exe"

Network

Country Destination Domain Proto
US 147.185.221.18:42996 tcp
US 147.185.221.18:1770 tcp
US 147.185.221.18:42996 tcp
US 147.185.221.18:1770 tcp
US 147.185.221.18:42996 tcp
US 147.185.221.18:1770 tcp
US 147.185.221.18:42996 tcp
US 147.185.221.18:1770 tcp
US 147.185.221.18:42996 tcp
US 147.185.221.18:1770 tcp

Files

memory/2976-0-0x000007FEF5E83000-0x000007FEF5E84000-memory.dmp

memory/2976-1-0x0000000000CC0000-0x0000000000FE4000-memory.dmp

memory/2976-2-0x000007FEF5E80000-0x000007FEF686C000-memory.dmp

memory/2976-3-0x000007FEF5E83000-0x000007FEF5E84000-memory.dmp

memory/2976-4-0x000007FEF5E80000-0x000007FEF686C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-05 05:07

Reported

2024-08-05 05:09

Platform

win10v2004-20240802-en

Max time kernel

93s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dwdwdw.exe"

Signatures

Quasar RAT

trojan spyware 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\dwdwdw.exe N/A

Suspicious use of FindShellTrayWindow

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

Suspicious use of SendNotifyMessage

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

Processes

C:\Users\Admin\AppData\Local\Temp\dwdwdw.exe

"C:\Users\Admin\AppData\Local\Temp\dwdwdw.exe"

Network

Country Destination Domain Proto
US 147.185.221.18:42996 tcp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 ipwho.is udp
DE 195.201.57.90:443 ipwho.is tcp
US 8.8.8.8:53 18.221.185.147.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 90.57.201.195.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/1540-0-0x00007FFD088B3000-0x00007FFD088B5000-memory.dmp

memory/1540-1-0x00000000002E0000-0x0000000000604000-memory.dmp

memory/1540-2-0x00007FFD088B0000-0x00007FFD09371000-memory.dmp

memory/1540-3-0x000000001D570000-0x000000001D5C0000-memory.dmp

memory/1540-4-0x000000001D680000-0x000000001D732000-memory.dmp

memory/1540-5-0x000000001D540000-0x000000001D552000-memory.dmp

memory/1540-6-0x000000001D600000-0x000000001D63C000-memory.dmp

memory/1540-8-0x00007FFD088B0000-0x00007FFD09371000-memory.dmp