Malware Analysis Report

2025-08-11 06:11

Sample ID 240610-1m17mssdpn
Target VirusShare_724f18dce5a53a2547ef3babedf4ff60
SHA256 65f7ebc11cbc4f159ed5ed79d51b3f86417cc498e64adfffde5474689646265e
Tags
upx
score
7/10

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
7/10

SHA256

65f7ebc11cbc4f159ed5ed79d51b3f86417cc498e64adfffde5474689646265e

Threat Level: Shows suspicious behavior

The file VirusShare_724f18dce5a53a2547ef3babedf4ff60 was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx

Executes dropped EXE

Loads dropped DLL

UPX packed file

Program crash

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-10 21:46

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-10 21:46

Reported

2024-06-10 21:49

Platform

win7-20240221-en

Max time kernel

141s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\VirusShare_724f18dce5a53a2547ef3babedf4ff60.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\KiLRRVKM\WindowsSecurityUpdate.exe N/A

UPX packed file

upx
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
N/A N/A N/A N/A
N/A N/A N/A N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\VirusShare_724f18dce5a53a2547ef3babedf4ff60.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\VirusShare_724f18dce5a53a2547ef3babedf4ff60.exe

"C:\Users\Admin\AppData\Local\Temp\VirusShare_724f18dce5a53a2547ef3babedf4ff60.exe"

C:\Users\Admin\AppData\Roaming\KiLRRVKM\WindowsSecurityUpdate.exe

"C:\Users\Admin\AppData\Roaming\KiLRRVKM\WindowsSecurityUpdate.exe" -services

Network

Country Destination Domain Proto
TW 175.41.29.179:80 tcp
TW 175.41.29.179:80 tcp

Files

memory/2804-0-0x00000000003E0000-0x00000000003E4000-memory.dmp

memory/2804-1-0x0000000000400000-0x0000000000515000-memory.dmp

\Users\Admin\AppData\Roaming\KiLRRVKM\WindowsSecurityUpdate.exe

MD5 724f18dce5a53a2547ef3babedf4ff60
SHA1 7d31d0a4bd319db7eaa49e855272cfdea425bb72
SHA256 65f7ebc11cbc4f159ed5ed79d51b3f86417cc498e64adfffde5474689646265e
SHA512 a60176b55205d4b2c6b1f93d1ca46e5b2a47025f6f00adcf57959f2c6fee3fafb2afd696d7c714cdae71834d40986f829ee79449827b5bedd0d8588ac20c2ce9

memory/2148-17-0x0000000000400000-0x0000000000515000-memory.dmp

memory/2148-22-0x0000000000400000-0x0000000000515000-memory.dmp

memory/2148-25-0x0000000000400000-0x0000000000515000-memory.dmp

memory/2804-27-0x0000000000400000-0x0000000000515000-memory.dmp

memory/2804-31-0x0000000000400000-0x0000000000515000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-10 21:46

Reported

2024-06-10 21:49

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\VirusShare_724f18dce5a53a2547ef3babedf4ff60.exe"

Signatures

UPX packed file

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

Processes

C:\Users\Admin\AppData\Local\Temp\VirusShare_724f18dce5a53a2547ef3babedf4ff60.exe

"C:\Users\Admin\AppData\Local\Temp\VirusShare_724f18dce5a53a2547ef3babedf4ff60.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 884 -ip 884

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 884 -s 768

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/884-0-0x0000000000950000-0x0000000000954000-memory.dmp

memory/884-1-0x0000000000400000-0x0000000000515000-memory.dmp