Malware Analysis Report

2024-11-30 15:45

Sample ID 230119-p6x4jsch9v
Target Proforma Invoice 3001855006.js
SHA256 c956e252ffa7148f6c075e639297ab2df080920edc53e28021f3156827249ae6
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

c956e252ffa7148f6c075e639297ab2df080920edc53e28021f3156827249ae6

Threat Level: Known bad

The file Proforma Invoice 3001855006.js was found to be: Known bad.

Malicious Activity Summary

vjw0rm trojan worm

Vjw0rm

Blocklisted process makes network request

Checks computer location settings

Drops startup file

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-01-19 12:57

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-01-19 12:57

Reported

2023-01-19 12:59

Platform

win7-20220901-en

Max time kernel

148s

Max time network

152s

Command Line

wscript.exe "C:\Users\Admin\AppData\Local\Temp\Proforma Invoice 3001855006.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\tKxfBQLFjK.js C:\Windows\System32\wscript.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\tKxfBQLFjK.js C:\Windows\System32\wscript.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1124 wrote to memory of 1064 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 1124 wrote to memory of 1064 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 1124 wrote to memory of 1064 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 3001855006.js"

C:\Windows\System32\wscript.exe

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

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 javaautorun.duia.ro udp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp

Files

memory/1064-54-0x0000000000000000-mapping.dmp

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

MD5 135ed79b9eea21fa24a2517885b8745b
SHA1 17ce07b47b0fa1212f30f3879850ec5e7625fbb0
SHA256 9feca465d427fa36019bf8e1ce0cbb6f18646d1c4f76b81b5f832bc063447257
SHA512 3d1b80e4aa41c0cdeba5c2885f333db7d1e7afdf83015f1100ab1e1c9e198673da1ab33f500b85e07c7e50cd99acceef1ee8dcb64cf0443693a4aae80cadc0c3

memory/1064-56-0x000007FEFC5A1000-0x000007FEFC5A3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-01-19 12:57

Reported

2023-01-19 12:59

Platform

win10v2004-20221111-en

Max time kernel

144s

Max time network

153s

Command Line

wscript.exe "C:\Users\Admin\AppData\Local\Temp\Proforma Invoice 3001855006.js"

Signatures

Vjw0rm

trojan worm vjw0rm

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\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\tKxfBQLFjK.js C:\Windows\System32\wscript.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\tKxfBQLFjK.js C:\Windows\System32\wscript.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2444 wrote to memory of 5108 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 2444 wrote to memory of 5108 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 3001855006.js"

C:\Windows\System32\wscript.exe

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

Network

Country Destination Domain Proto
N/A 72.21.91.29:80 tcp
N/A 8.8.8.8:53 javaautorun.duia.ro udp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 104.80.225.205:443 tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 51.11.192.48:443 tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 72.21.81.240:80 tcp
N/A 72.21.81.240:80 tcp
N/A 72.21.81.240:80 tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 8.248.99.254:80 tcp
N/A 8.248.99.254:80 tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp
N/A 194.5.98.42:5443 javaautorun.duia.ro tcp

Files

memory/5108-132-0x0000000000000000-mapping.dmp

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

MD5 135ed79b9eea21fa24a2517885b8745b
SHA1 17ce07b47b0fa1212f30f3879850ec5e7625fbb0
SHA256 9feca465d427fa36019bf8e1ce0cbb6f18646d1c4f76b81b5f832bc063447257
SHA512 3d1b80e4aa41c0cdeba5c2885f333db7d1e7afdf83015f1100ab1e1c9e198673da1ab33f500b85e07c7e50cd99acceef1ee8dcb64cf0443693a4aae80cadc0c3