Malware Analysis Report

2025-06-15 21:06

Sample ID 220817-sx5zkscda9
Target jQCWVHjWAA.js
SHA256 b386904566434edecd5319ebe730f8c5ecd05d8003eaf8b695cc771aa17c2579
Tags
vjw0rm trojan worm
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

b386904566434edecd5319ebe730f8c5ecd05d8003eaf8b695cc771aa17c2579

Threat Level: Known bad

The file jQCWVHjWAA.js was found to be: Known bad.

Malicious Activity Summary

vjw0rm trojan worm

Vjw0rm

Blocklisted process makes network request

Drops startup file

Checks computer location settings

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-08-17 15:31

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-08-17 15:31

Reported

2022-08-17 15:33

Platform

win7-20220812-en

Max time kernel

150s

Max time network

154s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\jQCWVHjWAA.js

Signatures

Vjw0rm

trojan worm vjw0rm

Drops startup file

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\jQCWVHjWAA.js C:\Windows\system32\wscript.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bZQEUbJxNj.js C:\Windows\System32\wscript.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bZQEUbJxNj.js C:\Windows\System32\wscript.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\jQCWVHjWAA.js C:\Windows\system32\wscript.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1416 wrote to memory of 1528 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 1416 wrote to memory of 1528 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 1416 wrote to memory of 1528 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe

Processes

C:\Windows\system32\wscript.exe

wscript.exe C:\Users\Admin\AppData\Local\Temp\jQCWVHjWAA.js

C:\Windows\System32\wscript.exe

"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\bZQEUbJxNj.js"

Network

Country Destination Domain Proto
US 8.8.8.8:53 macjoe597.duia.ro udp
US 8.8.8.8:53 macjoe597.duia.ro udp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp

Files

memory/1528-54-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\bZQEUbJxNj.js

MD5 a542a21ecaba36f6ba8c6457b8ab67f9
SHA1 3f05ddc6d6e59554cd9870b9e4b17919b81eaa6c
SHA256 bc831f27e6da7b5e82be628a1564c8b6aee02ec9290c5d21f99733dd2d1db47b
SHA512 78ca13a83bbd029470978b1e465ee6b0c2a9345a1fe8ee3e86d9f1d48bd52b7927a16e607f71084a91706213d8ddc0293ed06a1927e478b9bbc21ab0b47b9a2a

memory/1528-56-0x000007FEFB9F1000-0x000007FEFB9F3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-08-17 15:31

Reported

2022-08-17 15:33

Platform

win10v2004-20220812-en

Max time kernel

150s

Max time network

147s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\jQCWVHjWAA.js

Signatures

Vjw0rm

trojan worm vjw0rm

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\System32\wscript.exe N/A
N/A N/A C:\Windows\system32\wscript.exe N/A
N/A N/A C:\Windows\system32\wscript.exe N/A
N/A N/A C:\Windows\System32\wscript.exe N/A
N/A N/A C:\Windows\System32\wscript.exe N/A
N/A N/A C:\Windows\system32\wscript.exe N/A
N/A N/A C:\Windows\system32\wscript.exe N/A
N/A N/A C:\Windows\System32\wscript.exe N/A
N/A N/A C:\Windows\System32\wscript.exe N/A
N/A N/A C:\Windows\system32\wscript.exe N/A
N/A N/A C:\Windows\System32\wscript.exe N/A
N/A N/A C:\Windows\system32\wscript.exe N/A
N/A N/A C:\Windows\System32\wscript.exe N/A
N/A N/A C:\Windows\system32\wscript.exe N/A
N/A N/A C:\Windows\System32\wscript.exe N/A
N/A N/A C:\Windows\system32\wscript.exe N/A
N/A N/A C:\Windows\System32\wscript.exe N/A
N/A N/A C:\Windows\system32\wscript.exe N/A
N/A N/A C:\Windows\System32\wscript.exe N/A
N/A N/A C:\Windows\system32\wscript.exe N/A
N/A N/A C:\Windows\System32\wscript.exe N/A
N/A N/A C:\Windows\system32\wscript.exe N/A
N/A N/A C:\Windows\System32\wscript.exe N/A
N/A N/A C:\Windows\system32\wscript.exe N/A
N/A N/A C:\Windows\System32\wscript.exe N/A
N/A N/A C:\Windows\system32\wscript.exe N/A
N/A N/A C:\Windows\System32\wscript.exe N/A
N/A N/A C:\Windows\system32\wscript.exe N/A
N/A N/A C:\Windows\System32\wscript.exe N/A
N/A N/A C:\Windows\system32\wscript.exe N/A
N/A N/A C:\Windows\System32\wscript.exe N/A
N/A N/A C:\Windows\system32\wscript.exe N/A
N/A N/A C:\Windows\System32\wscript.exe N/A
N/A N/A C:\Windows\system32\wscript.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Control Panel\International\Geo\Nation C:\Windows\system32\wscript.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\jQCWVHjWAA.js C:\Windows\system32\wscript.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\jQCWVHjWAA.js C:\Windows\system32\wscript.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bZQEUbJxNj.js C:\Windows\System32\wscript.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bZQEUbJxNj.js C:\Windows\System32\wscript.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3116 wrote to memory of 4480 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 3116 wrote to memory of 4480 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe

Processes

C:\Windows\system32\wscript.exe

wscript.exe C:\Users\Admin\AppData\Local\Temp\jQCWVHjWAA.js

C:\Windows\System32\wscript.exe

"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\bZQEUbJxNj.js"

Network

Country Destination Domain Proto
US 8.247.211.254:80 tcp
US 8.8.8.8:53 macjoe597.duia.ro udp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
US 8.247.211.126:80 tcp
US 8.247.211.126:80 tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 macjoe597.duia.ro tcp
CH 91.192.100.8:8159 tcp
CH 91.192.100.8:8159 tcp

Files

memory/4480-132-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\bZQEUbJxNj.js

MD5 a542a21ecaba36f6ba8c6457b8ab67f9
SHA1 3f05ddc6d6e59554cd9870b9e4b17919b81eaa6c
SHA256 bc831f27e6da7b5e82be628a1564c8b6aee02ec9290c5d21f99733dd2d1db47b
SHA512 78ca13a83bbd029470978b1e465ee6b0c2a9345a1fe8ee3e86d9f1d48bd52b7927a16e607f71084a91706213d8ddc0293ed06a1927e478b9bbc21ab0b47b9a2a