Malware Analysis Report

2024-10-23 21:24

Sample ID 240805-f192gsxhjr
Target menu test.exe
SHA256 2f2ae02f061bc49648fb8d0941b94dc50e22d7701c126eb68c4575e37d5f4f60
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

2f2ae02f061bc49648fb8d0941b94dc50e22d7701c126eb68c4575e37d5f4f60

Threat Level: Known bad

The file menu test.exe was found to be: Known bad.

Malicious Activity Summary

office04 quasar spyware trojan

Quasar family

Quasar payload

Quasar RAT

Executes dropped EXE

Unsigned PE

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Uses Task Scheduler COM API

Scheduled Task/Job: Scheduled Task

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-05 05:21

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 05:21

Reported

2024-08-05 05:51

Platform

win10v2004-20240802-en

Max time kernel

1794s

Max time network

1799s

Command Line

"C:\Users\Admin\AppData\Local\Temp\menu test.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar payload

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe N/A

Enumerates physical storage devices

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SYSTEM32\schtasks.exe N/A
N/A N/A C:\Windows\SYSTEM32\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\menu test.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\menu test.exe

"C:\Users\Admin\AppData\Local\Temp\menu test.exe"

C:\Windows\SYSTEM32\schtasks.exe

"schtasks" /create /tn "Steam Corperation" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f

C:\Users\Admin\AppData\Roaming\SubDir\Client.exe

"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"

C:\Windows\SYSTEM32\schtasks.exe

"schtasks" /create /tn "Steam Corperation" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

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 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
US 8.8.8.8:53 84.65.42.20.in-addr.arpa udp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp
N/A 192.168.1.150:4782 tcp

Files

memory/4652-0-0x00007FF9B7683000-0x00007FF9B7685000-memory.dmp

memory/4652-1-0x0000000000BA0000-0x0000000000EC4000-memory.dmp

memory/4652-2-0x00007FF9B7680000-0x00007FF9B8141000-memory.dmp

C:\Users\Admin\AppData\Roaming\SubDir\Client.exe

MD5 c86abc64d7110ba0022929f533144f6a
SHA1 d0119c0348c382b68a328e16a65466373009bf98
SHA256 2f2ae02f061bc49648fb8d0941b94dc50e22d7701c126eb68c4575e37d5f4f60
SHA512 9c1a94f219d87ad42573eefee151425d41b4ed3f56e18cdeaad0887f6f03c18a121774f987f1dfe11cdcb67e016e91ac4c86d3355d044309bdcbc29c747f107d

memory/5092-10-0x00007FF9B7680000-0x00007FF9B8141000-memory.dmp

memory/4652-9-0x00007FF9B7680000-0x00007FF9B8141000-memory.dmp

memory/5092-11-0x00007FF9B7680000-0x00007FF9B8141000-memory.dmp

memory/5092-12-0x000000001C530000-0x000000001C580000-memory.dmp

memory/5092-13-0x000000001C640000-0x000000001C6F2000-memory.dmp

memory/5092-14-0x00007FF9B7680000-0x00007FF9B8141000-memory.dmp