Malware Analysis Report

2025-05-28 15:55

Sample ID 220923-kywhjagcd6
Target PROFORMA INVOICE COPY WA09272.XXE.zip
SHA256 c30393d313ddea07646a0bf09d4692e34e125297c08d3bb7727015c27b93e1a6
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

c30393d313ddea07646a0bf09d4692e34e125297c08d3bb7727015c27b93e1a6

Threat Level: Known bad

The file PROFORMA INVOICE COPY WA09272.XXE.zip 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

2022-09-23 09:01

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-09-23 09:01

Reported

2022-09-23 09:03

Platform

win7-20220812-en

Max time kernel

142s

Max time network

147s

Command Line

wscript.exe "C:\Users\Admin\AppData\Local\Temp\PROFORMA INVOICE COPY WA09272.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\PROFORMA INVOICE COPY WA09272.js C:\Windows\system32\wscript.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PROFORMA INVOICE COPY WA09272.js C:\Windows\system32\wscript.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1976 wrote to memory of 1960 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 1976 wrote to memory of 1960 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 1976 wrote to memory of 1960 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\PROFORMA INVOICE COPY WA09272.js"

C:\Windows\System32\wscript.exe

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

Network

Country Destination Domain Proto
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp

Files

memory/1976-54-0x000007FEFB531000-0x000007FEFB533000-memory.dmp

memory/1960-55-0x0000000000000000-mapping.dmp

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

MD5 fd184d31c7f2558d05dccf36c900622a
SHA1 faf3169e2352555e7bf2503531fc9e61552383db
SHA256 145d40636321f7ebf1abd9ac5daec213322ca1f5fbf8f884928c2a8bebd6f22b
SHA512 8f6e66cb854d09c226c615eb3ca6339ef0f6cda97ee3072321f308c85420f2b82193c2d6e44d78e9665e956d0212ba122aea7f0fd4e7f86e4051fd257056ab77

Analysis: behavioral2

Detonation Overview

Submitted

2022-09-23 09:01

Reported

2022-09-23 09:03

Platform

win10v2004-20220812-en

Max time kernel

150s

Max time network

145s

Command Line

wscript.exe "C:\Users\Admin\AppData\Local\Temp\PROFORMA INVOICE COPY WA09272.js"

Signatures

Vjw0rm

trojan worm vjw0rm

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\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\PROFORMA INVOICE COPY WA09272.js C:\Windows\system32\wscript.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PROFORMA INVOICE COPY WA09272.js C:\Windows\system32\wscript.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4964 wrote to memory of 3928 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 4964 wrote to memory of 3928 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\PROFORMA INVOICE COPY WA09272.js"

C:\Windows\System32\wscript.exe

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

Network

Country Destination Domain Proto
NL 80.76.51.88:4780 tcp
US 93.184.220.29:80 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
NL 80.76.51.88:4780 tcp
NL 104.80.225.205:443 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
US 93.184.221.240:80 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp
NL 80.76.51.88:4780 tcp

Files

memory/3928-132-0x0000000000000000-mapping.dmp

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

MD5 fd184d31c7f2558d05dccf36c900622a
SHA1 faf3169e2352555e7bf2503531fc9e61552383db
SHA256 145d40636321f7ebf1abd9ac5daec213322ca1f5fbf8f884928c2a8bebd6f22b
SHA512 8f6e66cb854d09c226c615eb3ca6339ef0f6cda97ee3072321f308c85420f2b82193c2d6e44d78e9665e956d0212ba122aea7f0fd4e7f86e4051fd257056ab77