Malware Analysis Report

2025-08-11 01:06

Sample ID 240302-t38s4afd53
Target injector.exe
SHA256 c4ff79e810552e4191894285875fe01c9c7b957c7d76228cdbeeb1b2132338ba
Tags
persistence
score
8/10

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
8/10

SHA256

c4ff79e810552e4191894285875fe01c9c7b957c7d76228cdbeeb1b2132338ba

Threat Level: Likely malicious

The file injector.exe was found to be: Likely malicious.

Malicious Activity Summary

persistence

Sets service image path in registry

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Drops file in Windows directory

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: LoadsDriver

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-02 16:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-02 16:36

Reported

2024-03-02 16:38

Platform

win7-20240221-en

Max time kernel

118s

Max time network

122s

Command Line

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

Signatures

Sets service image path in registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QiyqtujcgQRYZbrVbscVOxO\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\QiyqtujcgQRYZbrVbscVOxO" C:\Windows\SoftwareDistribution\Download\xcW8Z.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SoftwareDistribution\Download\xcW8Z.exe N/A

Loads dropped DLL

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

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\SoftwareDistribution\Download\xcW8Z.exe C:\Users\Admin\AppData\Local\Temp\injector.exe N/A

Enumerates physical storage devices

Suspicious behavior: LoadsDriver

Description Indicator Process Target
N/A N/A C:\Windows\SoftwareDistribution\Download\xcW8Z.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeLoadDriverPrivilege N/A C:\Windows\SoftwareDistribution\Download\xcW8Z.exe N/A

Processes

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

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

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c cls

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c color 9

C:\Windows\SoftwareDistribution\Download\xcW8Z.exe

"C:\Windows\SoftwareDistribution\Download\xcW8Z.exe"

Network

N/A

Files

\Windows\SoftwareDistribution\Download\xcW8Z.exe

MD5 9886a738e05f8a8fe04e9d0c81cc0909
SHA1 f659c6a123eb11f6f34f618265dbd54a9aa7f5e3
SHA256 abf99bd1d851c4c7015b999e81fb080e7e1147973e6a3a77c8ba7895cc8abbb6
SHA512 0d3b9e9a1a38efe1e963b929a33a8a13d4636d8056ab04fce958333db983b9fb401946c9b6990d18e9c2e2d4c2dbd2fb6aae5385e4234a5d86ef8adb98d56a21

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-02 16:36

Reported

2024-03-02 16:38

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

155s

Command Line

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

Signatures

Sets service image path in registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\lenpFVYYWFYbWnkvFUkJD\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\lenpFVYYWFYbWnkvFUkJD" C:\Windows\SoftwareDistribution\Download\5repV.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\injector.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SoftwareDistribution\Download\5repV.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\SoftwareDistribution\Download\5repV.exe C:\Users\Admin\AppData\Local\Temp\injector.exe N/A

Enumerates physical storage devices

Suspicious behavior: LoadsDriver

Description Indicator Process Target
N/A N/A C:\Windows\SoftwareDistribution\Download\5repV.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeLoadDriverPrivilege N/A C:\Windows\SoftwareDistribution\Download\5repV.exe N/A

Processes

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

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

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c cls

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c color 9

C:\Windows\SoftwareDistribution\Download\5repV.exe

"C:\Windows\SoftwareDistribution\Download\5repV.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 203.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 211.143.182.52.in-addr.arpa udp

Files

C:\Windows\SoftwareDistribution\Download\5repV.exe

MD5 9886a738e05f8a8fe04e9d0c81cc0909
SHA1 f659c6a123eb11f6f34f618265dbd54a9aa7f5e3
SHA256 abf99bd1d851c4c7015b999e81fb080e7e1147973e6a3a77c8ba7895cc8abbb6
SHA512 0d3b9e9a1a38efe1e963b929a33a8a13d4636d8056ab04fce958333db983b9fb401946c9b6990d18e9c2e2d4c2dbd2fb6aae5385e4234a5d86ef8adb98d56a21