Malware Analysis Report

2024-10-23 21:24

Sample ID 240802-wtke9avaln
Target ⭐️LITHIUM NUKER V4⭐️.rar
SHA256 6e74255e85cfaeb1ac6527eaa2646bfe6007d95b799becad38f7e7be7716e1d8
Tags
office04 quasar discovery 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

6e74255e85cfaeb1ac6527eaa2646bfe6007d95b799becad38f7e7be7716e1d8

Threat Level: Known bad

The file ⭐️LITHIUM NUKER V4⭐️.rar was found to be: Known bad.

Malicious Activity Summary

office04 quasar discovery spyware trojan

Quasar payload

Quasar family

Quasar RAT

Executes dropped EXE

Unsigned PE

Enumerates physical storage devices

Browser Information Discovery

Scheduled Task/Job: Scheduled Task

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of SendNotifyMessage

Enumerates system info in registry

Suspicious use of SetWindowsHookEx

Uses Task Scheduler COM API

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-02 18:12

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

2024-08-02 18:12

Reported

2024-08-02 18:14

Platform

win7-20240704-en

Max time kernel

71s

Max time network

98s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Nuke Loader.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
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

Browser Information Discovery

discovery

Enumerates physical storage devices

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS C:\Program Files\Google\Chrome\Application\chrome.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName C:\Program Files\Google\Chrome\Application\chrome.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer C:\Program Files\Google\Chrome\Application\chrome.exe N/A

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 behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Nuke Loader.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe N/A
Token: SeShutdownPrivilege N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
Token: SeShutdownPrivilege N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
Token: SeShutdownPrivilege N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
Token: SeShutdownPrivilege N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
Token: SeShutdownPrivilege N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
Token: SeShutdownPrivilege N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
Token: SeShutdownPrivilege N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
Token: SeShutdownPrivilege N/A C:\Program Files\Google\Chrome\Application\chrome.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
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.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
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2564 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\Nuke Loader.exe C:\Windows\system32\schtasks.exe
PID 2564 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\Nuke Loader.exe C:\Windows\system32\schtasks.exe
PID 2564 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\Nuke Loader.exe C:\Windows\system32\schtasks.exe
PID 2564 wrote to memory of 2724 N/A C:\Users\Admin\AppData\Local\Temp\Nuke Loader.exe C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
PID 2564 wrote to memory of 2724 N/A C:\Users\Admin\AppData\Local\Temp\Nuke Loader.exe C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
PID 2564 wrote to memory of 2724 N/A C:\Users\Admin\AppData\Local\Temp\Nuke Loader.exe C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
PID 2724 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe C:\Windows\system32\schtasks.exe
PID 2724 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe C:\Windows\system32\schtasks.exe
PID 2724 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe C:\Windows\system32\schtasks.exe
PID 1736 wrote to memory of 1968 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 1968 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 1968 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2268 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2204 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2204 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2204 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2200 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2200 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2200 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2200 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2200 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2200 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2200 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2200 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2200 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1736 wrote to memory of 2200 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\Nuke Loader.exe

"C:\Users\Admin\AppData\Local\Temp\Nuke Loader.exe"

C:\Windows\system32\schtasks.exe

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

C:\Windows\explorer.exe

"C:\Windows\explorer.exe"

C:\Windows\explorer.exe

"C:\Windows\explorer.exe"

C:\Program Files\Google\Chrome\Application\chrome.exe

"C:\Program Files\Google\Chrome\Application\chrome.exe"

C:\Program Files\Google\Chrome\Application\chrome.exe

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7feee999758,0x7feee999768,0x7feee999778

C:\Program Files\Google\Chrome\Application\chrome.exe

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1148 --field-trial-handle=1332,i,1337797323151470819,13546893513996321108,131072 /prefetch:2

C:\Program Files\Google\Chrome\Application\chrome.exe

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1500 --field-trial-handle=1332,i,1337797323151470819,13546893513996321108,131072 /prefetch:8

C:\Program Files\Google\Chrome\Application\chrome.exe

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1620 --field-trial-handle=1332,i,1337797323151470819,13546893513996321108,131072 /prefetch:8

C:\Program Files\Google\Chrome\Application\chrome.exe

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2136 --field-trial-handle=1332,i,1337797323151470819,13546893513996321108,131072 /prefetch:1

C:\Program Files\Google\Chrome\Application\chrome.exe

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=1612 --field-trial-handle=1332,i,1337797323151470819,13546893513996321108,131072 /prefetch:1

C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe

"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"

C:\Program Files\Google\Chrome\Application\chrome.exe

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1520 --field-trial-handle=1332,i,1337797323151470819,13546893513996321108,131072 /prefetch:2

C:\Program Files\Google\Chrome\Application\chrome.exe

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=1492 --field-trial-handle=1332,i,1337797323151470819,13546893513996321108,131072 /prefetch:1

C:\Program Files\Google\Chrome\Application\chrome.exe

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3652 --field-trial-handle=1332,i,1337797323151470819,13546893513996321108,131072 /prefetch:8

Network

Country Destination Domain Proto
N/A 192.168.1.51:4782 tcp
N/A 192.168.1.51:4782 tcp
N/A 192.168.1.51:4782 tcp
US 8.8.8.8:53 www.google.com udp
NL 142.250.27.103:443 www.google.com udp
NL 142.250.27.103:443 www.google.com tcp
N/A 224.0.0.251:5353 udp
N/A 192.168.1.51:4782 tcp

Files

memory/2564-0-0x000007FEF5013000-0x000007FEF5014000-memory.dmp

memory/2564-1-0x0000000000E60000-0x0000000001184000-memory.dmp

memory/2564-2-0x000007FEF5010000-0x000007FEF59FC000-memory.dmp

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

MD5 ed675e5b50992702716b65c5b15bd2ee
SHA1 2463edfe3d1667933aa2676876f4ac766450ff90
SHA256 c4b6a54ec0f46c8c0df7d9f5f010c10c66ec23378b4548727fbfa2b3080ebf56
SHA512 7747767ebb54a2973bde62e41e823588b9bde30d3d6e7648827b224d085daaff10a65a6b71a97c58d4c53f37e1a111587fe5834ac8168779bcdb4e4e266ef44b

memory/2724-8-0x000007FEF5010000-0x000007FEF59FC000-memory.dmp

memory/2724-11-0x000007FEF5010000-0x000007FEF59FC000-memory.dmp

memory/2724-10-0x0000000001350000-0x0000000001674000-memory.dmp

memory/2564-9-0x000007FEF5010000-0x000007FEF59FC000-memory.dmp

memory/2724-12-0x000007FEF5010000-0x000007FEF59FC000-memory.dmp

\??\pipe\crashpad_1736_EMSRIKFREJDVLIXR

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp

MD5 18e723571b00fb1694a3bad6c78e4054
SHA1 afcc0ef32d46fe59e0483f9a3c891d3034d12f32
SHA256 8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa
SHA512 43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

MD5 f50f89a0a91564d0b8a211f8921aa7de
SHA1 112403a17dd69d5b9018b8cede023cb3b54eab7d
SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
SHA512 bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp

MD5 aefd77f47fb84fae5ea194496b44c67a
SHA1 dcfbb6a5b8d05662c4858664f81693bb7f803b82
SHA256 4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611
SHA512 b733d502138821948267a8b27401d7c0751e590e1298fda1428e663ccd02f55d0d2446ff4bc265bdcdc61f952d13c01524a5341bc86afc3c2cde1d8589b2e1c3

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

MD5 80f2084cd75bbc8a08ae1e479f3d1a25
SHA1 21b4ef3dc2e43f481e72a648b1cc35736d3dca32
SHA256 058020eb938a80639078ba07fd772836a839f9de29cf5db37134f65d0ef4327d
SHA512 aa4cecb2346fb344e5f6fabcc98e59df7b51219bcfdeac18a3eede47d55a092b8d5eadb80d225815ba52dd40ccd2953ea570b658103ee39c024bbefcc90ff2df

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

MD5 2957382db9e3cad6d2864d79449ddc48
SHA1 686021b91209e2a4fbd1ec8ff8255b1e1e309014
SHA256 9971f3a01b2e42edf76578b6ac1e1293f516da6602ee6f1bcccafa745135c932
SHA512 0f23abd2bf36a62076b321d1f665dd2356eeb78cb32f54cc76ed0caa5e16a8d22726fe7915258ed41ae1f2321560e3cbea00b5175080d20de6e554d7893a3e46

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\762f3abe-9fde-408c-b2aa-b3340ff4e47f.tmp

MD5 98e462c967b1e5295fd32e42fa6457ff
SHA1 1e137af69bc1e6d0f17dfac14d33966900bf0949
SHA256 10cbf5862dcba9ca2801a6482ee10c91eaf978d8b641af79faf5dbdeee9106e1
SHA512 324da6fbfd308a3e4969e510e5c6eca83759856e5147c419059396519842eece3d03e7729df61bcbc2185270ebdca7372197d873ff523793c38cdd644d0198a8

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-02 18:12

Reported

2024-08-02 18:15

Platform

win10v2004-20240802-en

Max time kernel

125s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Nuke Loader.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\Nuke Loader.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\Nuke Loader.exe

"C:\Users\Admin\AppData\Local\Temp\Nuke Loader.exe"

C:\Windows\SYSTEM32\schtasks.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
N/A 192.168.1.51:4782 tcp
N/A 192.168.1.51:4782 tcp
N/A 192.168.1.51:4782 tcp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
N/A 192.168.1.51:4782 tcp
NL 52.111.243.29:443 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
N/A 192.168.1.51:4782 tcp
N/A 192.168.1.51:4782 tcp

Files

memory/3840-0-0x00007FF899563000-0x00007FF899565000-memory.dmp

memory/3840-1-0x0000000000940000-0x0000000000C64000-memory.dmp

memory/3840-2-0x00007FF899560000-0x00007FF89A021000-memory.dmp

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

MD5 ed675e5b50992702716b65c5b15bd2ee
SHA1 2463edfe3d1667933aa2676876f4ac766450ff90
SHA256 c4b6a54ec0f46c8c0df7d9f5f010c10c66ec23378b4548727fbfa2b3080ebf56
SHA512 7747767ebb54a2973bde62e41e823588b9bde30d3d6e7648827b224d085daaff10a65a6b71a97c58d4c53f37e1a111587fe5834ac8168779bcdb4e4e266ef44b

memory/3840-9-0x00007FF899560000-0x00007FF89A021000-memory.dmp

memory/5400-10-0x00007FF899560000-0x00007FF89A021000-memory.dmp

memory/5400-11-0x00007FF899560000-0x00007FF89A021000-memory.dmp

memory/5400-12-0x000000001C260000-0x000000001C2B0000-memory.dmp

memory/5400-13-0x000000001C370000-0x000000001C422000-memory.dmp

memory/5400-14-0x00007FF899560000-0x00007FF89A021000-memory.dmp