Malware Analysis Report

2024-10-23 21:24

Sample ID 240805-fp5bvs1gjc
Target GensisLoader.exe
SHA256 e7b85652cc26274a0cf5b62c204b8cb4b3a592ec6582f300ec9ba0cc3bdf171b
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

e7b85652cc26274a0cf5b62c204b8cb4b3a592ec6582f300ec9ba0cc3bdf171b

Threat Level: Known bad

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

Malicious Activity Summary

office04 quasar spyware trojan

Quasar RAT

Quasar family

Quasar payload

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-05 05:03

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 05:03

Reported

2024-08-05 05:18

Platform

win10v2004-20240802-en

Max time kernel

863s

Max time network

869s

Command Line

"C:\Users\Admin\AppData\Local\Temp\GensisLoader.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\GensisLoader.exe N/A

Suspicious use of FindShellTrayWindow

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

Suspicious use of SendNotifyMessage

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

Processes

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

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

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 --field-trial-handle=4416,i,3239535018877284530,3457823197501312703,262144 --variations-seed-version --mojo-platform-channel-handle=4344 /prefetch:8

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 --field-trial-handle=3668,i,3239535018877284530,3457823197501312703,262144 --variations-seed-version --mojo-platform-channel-handle=3928 /prefetch:8

Network

Country Destination Domain Proto
US 147.185.221.18:42996 tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.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 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 18.221.185.147.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 147.185.221.18:1770 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 147.185.221.18:42996 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 147.185.221.18:1770 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
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 8.8.8.8:53 ipwho.is udp
DE 195.201.57.90:443 ipwho.is tcp
US 8.8.8.8:53 90.57.201.195.in-addr.arpa udp
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 8.8.8.8:53 10.73.50.20.in-addr.arpa udp
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
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
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
US 147.185.221.18:42996 tcp
US 147.185.221.18:1770 tcp
US 147.185.221.18:42996 tcp

Files

memory/4520-0-0x00007FF888EE3000-0x00007FF888EE5000-memory.dmp

memory/4520-1-0x0000000000400000-0x0000000000724000-memory.dmp

memory/4520-2-0x00007FF888EE0000-0x00007FF8899A1000-memory.dmp

memory/4520-3-0x000000001BE30000-0x000000001BE80000-memory.dmp

memory/4520-4-0x000000001BF40000-0x000000001BFF2000-memory.dmp

memory/4520-5-0x00007FF888EE3000-0x00007FF888EE5000-memory.dmp

memory/4520-6-0x00007FF888EE0000-0x00007FF8899A1000-memory.dmp

memory/4520-7-0x000000001BE00000-0x000000001BE12000-memory.dmp

memory/4520-8-0x000000001BEC0000-0x000000001BEFC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-05 05:03

Reported

2024-08-05 05:06

Platform

win11-20240802-en

Max time kernel

138s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\GensisLoader.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\GensisLoader.exe N/A

Suspicious use of FindShellTrayWindow

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

Suspicious use of SendNotifyMessage

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

Processes

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

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

Network

Country Destination Domain Proto
US 147.185.221.18:42996 tcp
US 8.8.8.8:53 18.221.185.147.in-addr.arpa udp
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/5012-0-0x00007FFF7B8B3000-0x00007FFF7B8B5000-memory.dmp

memory/5012-1-0x0000000000C00000-0x0000000000F24000-memory.dmp

memory/5012-2-0x00007FFF7B8B0000-0x00007FFF7C372000-memory.dmp

memory/5012-3-0x000000001C580000-0x000000001C5D0000-memory.dmp

memory/5012-4-0x000000001C690000-0x000000001C742000-memory.dmp

memory/5012-5-0x00007FFF7B8B3000-0x00007FFF7B8B5000-memory.dmp

memory/5012-6-0x00007FFF7B8B0000-0x00007FFF7C372000-memory.dmp