Malware Analysis Report

2025-08-10 22:04

Sample ID 240518-txjxsacd96
Target VRThook Spoofer.exe
SHA256 9ddd4b094446a4932e71a3307c2a5210c8cb53be65d006840503c285d571e123
Tags
agenttesla keylogger spyware stealer 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

9ddd4b094446a4932e71a3307c2a5210c8cb53be65d006840503c285d571e123

Threat Level: Known bad

The file VRThook Spoofer.exe was found to be: Known bad.

Malicious Activity Summary

agenttesla keylogger spyware stealer trojan

AgentTesla

AgentTesla payload

Drops file in Windows directory

Unsigned PE

Enumerates system info in registry

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-18 16:26

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-18 16:26

Reported

2024-05-18 16:28

Platform

win10v2004-20240508-en

Max time kernel

140s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

AgentTesla payload

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

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe

"C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.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 --no-appcompat-clear --field-trial-handle=4028,i,11746347647270949551,7786733067759450703,262144 --variations-seed-version --mojo-platform-channel-handle=4292 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 keyauth.win udp
US 104.26.0.5:443 keyauth.win tcp
US 8.8.8.8:53 5.0.26.104.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 11.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/1432-0-0x000000007458E000-0x000000007458F000-memory.dmp

memory/1432-1-0x00000000005E0000-0x0000000000CFE000-memory.dmp

memory/1432-2-0x0000000005FD0000-0x0000000006574000-memory.dmp

memory/1432-4-0x0000000005690000-0x00000000056A2000-memory.dmp

memory/1432-3-0x0000000005710000-0x00000000057A2000-memory.dmp

memory/1432-5-0x00000000057B0000-0x00000000057BA000-memory.dmp

memory/1432-6-0x0000000005A20000-0x0000000005B3A000-memory.dmp

memory/1432-8-0x0000000005B40000-0x0000000005BA6000-memory.dmp

memory/1432-7-0x0000000074580000-0x0000000074D30000-memory.dmp

memory/1432-9-0x0000000005CA0000-0x0000000005EB4000-memory.dmp

memory/1432-10-0x00000000077F0000-0x000000000788C000-memory.dmp

memory/1432-11-0x0000000074580000-0x0000000074D30000-memory.dmp

memory/1432-13-0x00000000096A0000-0x00000000096DC000-memory.dmp

memory/1432-14-0x000000007458E000-0x000000007458F000-memory.dmp

memory/1432-15-0x0000000074580000-0x0000000074D30000-memory.dmp

memory/1432-16-0x0000000074580000-0x0000000074D30000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-18 16:26

Reported

2024-05-18 16:27

Platform

win11-20240426-en

Max time kernel

64s

Max time network

66s

Command Line

"C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

AgentTesla payload

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

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Fonts\AMIDEWINx64.EXE C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe N/A
File created C:\Windows\Fonts\amigendrv64.sys C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe N/A
File created C:\Windows\Fonts\amifldrv64.sys C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe N/A
File created C:\Windows\IME\Volumeid.exe C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe N/A
File created C:\Windows\Fonts\AUSS.bat C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe

"C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 keyauth.win udp
US 104.26.0.5:443 keyauth.win tcp
US 8.8.8.8:53 5.0.26.104.in-addr.arpa udp
US 8.8.8.8:53 cold8.gofile.io udp
US 136.175.8.111:443 cold8.gofile.io tcp
FR 31.14.70.251:443 cold2.gofile.io tcp
FR 31.14.70.248:443 cold1.gofile.io tcp
US 8.8.8.8:53 251.70.14.31.in-addr.arpa udp
US 206.168.191.31:443 store8.gofile.io tcp

Files

memory/4944-0-0x00000000748BE000-0x00000000748BF000-memory.dmp

memory/4944-1-0x0000000000C10000-0x000000000132E000-memory.dmp

memory/4944-2-0x00000000064D0000-0x0000000006A76000-memory.dmp

memory/4944-3-0x0000000005E40000-0x0000000005ED2000-memory.dmp

memory/4944-4-0x0000000005D70000-0x0000000005D82000-memory.dmp

memory/4944-5-0x0000000005E00000-0x0000000005E0A000-memory.dmp

memory/4944-6-0x00000000748B0000-0x0000000075061000-memory.dmp

memory/4944-7-0x00000000060E0000-0x00000000061FA000-memory.dmp

memory/4944-8-0x0000000006200000-0x0000000006266000-memory.dmp

memory/4944-9-0x0000000006A80000-0x0000000006C94000-memory.dmp

memory/4944-10-0x0000000007E50000-0x0000000007EEC000-memory.dmp

memory/4944-11-0x00000000748B0000-0x0000000075061000-memory.dmp

memory/4944-13-0x0000000009E20000-0x0000000009E5C000-memory.dmp

memory/4944-14-0x00000000748BE000-0x00000000748BF000-memory.dmp

memory/4944-15-0x00000000748B0000-0x0000000075061000-memory.dmp

memory/4944-16-0x00000000748B0000-0x0000000075061000-memory.dmp

memory/4944-18-0x0000000009F80000-0x0000000009FFC000-memory.dmp

memory/4944-28-0x00000000748B0000-0x0000000075061000-memory.dmp