Malware Analysis Report

2025-08-11 04:46

Sample ID 250108-fnrpdaxnfq
Target 791a65b09f144ce5345506b712162475df5294b7395a7bdad47992cefa8319dcN.exe
SHA256 791a65b09f144ce5345506b712162475df5294b7395a7bdad47992cefa8319dc
Tags
discovery evasion trojan
score
6/10

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
6/10

SHA256

791a65b09f144ce5345506b712162475df5294b7395a7bdad47992cefa8319dc

Threat Level: Shows suspicious behavior

The file 791a65b09f144ce5345506b712162475df5294b7395a7bdad47992cefa8319dcN.exe was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery evasion trojan

Checks whether UAC is enabled

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Modifies Internet Explorer settings

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-08 05:01

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-08 05:01

Reported

2025-01-08 05:03

Platform

win7-20241023-en

Max time kernel

15s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\791a65b09f144ce5345506b712162475df5294b7395a7bdad47992cefa8319dcN.exe"

Signatures

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\791a65b09f144ce5345506b712162475df5294b7395a7bdad47992cefa8319dcN.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\791a65b09f144ce5345506b712162475df5294b7395a7bdad47992cefa8319dcN.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" C:\Users\Admin\AppData\Local\Temp\791a65b09f144ce5345506b712162475df5294b7395a7bdad47992cefa8319dcN.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\791a65b09f144ce5345506b712162475df5294b7395a7bdad47992cefa8319dcN.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch C:\Users\Admin\AppData\Local\Temp\791a65b09f144ce5345506b712162475df5294b7395a7bdad47992cefa8319dcN.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\791a65b09f144ce5345506b712162475df5294b7395a7bdad47992cefa8319dcN.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\791a65b09f144ce5345506b712162475df5294b7395a7bdad47992cefa8319dcN.exe

"C:\Users\Admin\AppData\Local\Temp\791a65b09f144ce5345506b712162475df5294b7395a7bdad47992cefa8319dcN.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 stiekehelp.gameassists.co.uk udp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-08 05:01

Reported

2025-01-08 05:03

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

111s

Command Line

"C:\Users\Admin\AppData\Local\Temp\791a65b09f144ce5345506b712162475df5294b7395a7bdad47992cefa8319dcN.exe"

Signatures

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\791a65b09f144ce5345506b712162475df5294b7395a7bdad47992cefa8319dcN.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\791a65b09f144ce5345506b712162475df5294b7395a7bdad47992cefa8319dcN.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" C:\Users\Admin\AppData\Local\Temp\791a65b09f144ce5345506b712162475df5294b7395a7bdad47992cefa8319dcN.exe N/A
Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch C:\Users\Admin\AppData\Local\Temp\791a65b09f144ce5345506b712162475df5294b7395a7bdad47992cefa8319dcN.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" C:\Users\Admin\AppData\Local\Temp\791a65b09f144ce5345506b712162475df5294b7395a7bdad47992cefa8319dcN.exe N/A
Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\IESettingSync C:\Users\Admin\AppData\Local\Temp\791a65b09f144ce5345506b712162475df5294b7395a7bdad47992cefa8319dcN.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\791a65b09f144ce5345506b712162475df5294b7395a7bdad47992cefa8319dcN.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\791a65b09f144ce5345506b712162475df5294b7395a7bdad47992cefa8319dcN.exe

"C:\Users\Admin\AppData\Local\Temp\791a65b09f144ce5345506b712162475df5294b7395a7bdad47992cefa8319dcN.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3032 -ip 3032

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3032 -s 1916

Network

Country Destination Domain Proto
US 8.8.8.8:53 stiekehelp.gameassists.co.uk udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 8.153.16.2.in-addr.arpa udp
US 8.8.8.8:53 180.129.81.91.in-addr.arpa udp

Files

N/A