Malware Analysis Report

2024-10-23 19:04

Sample ID 240629-bzgakaxgqg
Target 90a58064c6df293fc564fa5b616c737f6fd31f6288433da2030ec56d6dc46962.exe
SHA256 90a58064c6df293fc564fa5b616c737f6fd31f6288433da2030ec56d6dc46962
Tags
seroxen 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

90a58064c6df293fc564fa5b616c737f6fd31f6288433da2030ec56d6dc46962

Threat Level: Known bad

The file 90a58064c6df293fc564fa5b616c737f6fd31f6288433da2030ec56d6dc46962.exe was found to be: Known bad.

Malicious Activity Summary

seroxen quasar spyware trojan

Quasar family

Quasar payload

Detects Windows executables referencing non-Windows User-Agents

Quasar RAT

Detects Windows executables referencing non-Windows User-Agents

Looks up external IP address via web service

Unsigned PE

Suspicious use of SetWindowsHookEx

Scheduled Task/Job: Scheduled Task

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-29 01:34

Signatures

Detects Windows executables referencing non-Windows User-Agents

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

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

2024-06-29 01:34

Reported

2024-06-29 01:37

Platform

win7-20240508-en

Max time kernel

126s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\90a58064c6df293fc564fa5b616c737f6fd31f6288433da2030ec56d6dc46962.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar payload

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

Detects Windows executables referencing non-Windows User-Agents

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

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\90a58064c6df293fc564fa5b616c737f6fd31f6288433da2030ec56d6dc46962.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\90a58064c6df293fc564fa5b616c737f6fd31f6288433da2030ec56d6dc46962.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\90a58064c6df293fc564fa5b616c737f6fd31f6288433da2030ec56d6dc46962.exe

"C:\Users\Admin\AppData\Local\Temp\90a58064c6df293fc564fa5b616c737f6fd31f6288433da2030ec56d6dc46962.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks" /create /tn "Windows Defender Anti-Malware Disable Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\90a58064c6df293fc564fa5b616c737f6fd31f6288433da2030ec56d6dc46962.exe" /rl HIGHEST /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 feel-barcelona.gl.at.ply.gg udp
US 147.185.221.20:47655 feel-barcelona.gl.at.ply.gg tcp
US 8.8.8.8:53 github.com udp
GB 20.26.156.215:443 github.com tcp
US 147.185.221.20:47655 feel-barcelona.gl.at.ply.gg tcp
US 147.185.221.20:47655 feel-barcelona.gl.at.ply.gg tcp
US 147.185.221.20:47655 feel-barcelona.gl.at.ply.gg tcp
US 147.185.221.20:47655 feel-barcelona.gl.at.ply.gg tcp
US 147.185.221.20:47655 feel-barcelona.gl.at.ply.gg tcp

Files

memory/2188-0-0x00000000746DE000-0x00000000746DF000-memory.dmp

memory/2188-1-0x0000000000090000-0x00000000000FC000-memory.dmp

memory/2188-2-0x00000000746D0000-0x0000000074DBE000-memory.dmp

memory/2188-4-0x00000000746DE000-0x00000000746DF000-memory.dmp

memory/2188-5-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-29 01:34

Reported

2024-06-29 01:37

Platform

win10v2004-20240508-en

Max time kernel

127s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\90a58064c6df293fc564fa5b616c737f6fd31f6288433da2030ec56d6dc46962.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar payload

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

Detects Windows executables referencing non-Windows User-Agents

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

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\90a58064c6df293fc564fa5b616c737f6fd31f6288433da2030ec56d6dc46962.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\90a58064c6df293fc564fa5b616c737f6fd31f6288433da2030ec56d6dc46962.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\90a58064c6df293fc564fa5b616c737f6fd31f6288433da2030ec56d6dc46962.exe

"C:\Users\Admin\AppData\Local\Temp\90a58064c6df293fc564fa5b616c737f6fd31f6288433da2030ec56d6dc46962.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks" /create /tn "Windows Defender Anti-Malware Disable Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\90a58064c6df293fc564fa5b616c737f6fd31f6288433da2030ec56d6dc46962.exe" /rl HIGHEST /f

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=1300,i,18168883380598738769,14202261231630113808,262144 --variations-seed-version --mojo-platform-channel-handle=4240 /prefetch:8

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 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 github.com udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
GB 20.26.156.215:443 github.com tcp
US 8.8.8.8:53 feel-barcelona.gl.at.ply.gg udp
US 147.185.221.20:47655 feel-barcelona.gl.at.ply.gg tcp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 215.156.26.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 147.185.221.20:47655 feel-barcelona.gl.at.ply.gg tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 147.185.221.20:47655 feel-barcelona.gl.at.ply.gg tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 147.185.221.20:47655 feel-barcelona.gl.at.ply.gg tcp
US 147.185.221.20:47655 feel-barcelona.gl.at.ply.gg tcp
US 147.185.221.20:47655 feel-barcelona.gl.at.ply.gg tcp

Files

memory/3296-0-0x00000000750AE000-0x00000000750AF000-memory.dmp

memory/3296-1-0x0000000000120000-0x000000000018C000-memory.dmp

memory/3296-2-0x00000000050B0000-0x0000000005654000-memory.dmp

memory/3296-3-0x0000000004C10000-0x0000000004CA2000-memory.dmp

memory/3296-4-0x00000000750A0000-0x0000000075850000-memory.dmp

memory/3296-5-0x0000000004B90000-0x0000000004BF6000-memory.dmp

memory/3296-6-0x00000000058A0000-0x00000000058B2000-memory.dmp

memory/3296-7-0x0000000005DE0000-0x0000000005E1C000-memory.dmp

memory/3296-9-0x00000000062B0000-0x00000000062BA000-memory.dmp

memory/3296-10-0x00000000750AE000-0x00000000750AF000-memory.dmp

memory/3296-11-0x00000000750A0000-0x0000000075850000-memory.dmp