Malware Analysis Report

2024-11-15 08:05

Sample ID 230223-lffvsshc3y
Target 1ZXSAOPKH09SA_PAYMENT-COPY.js
SHA256 15473e094a9ec464cce7a31879bc27eec654a43ea27239bd7f56afa333a59a7c
Tags
vjw0rm persistence trojan worm
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

15473e094a9ec464cce7a31879bc27eec654a43ea27239bd7f56afa333a59a7c

Threat Level: Known bad

The file 1ZXSAOPKH09SA_PAYMENT-COPY.js was found to be: Known bad.

Malicious Activity Summary

vjw0rm persistence trojan worm

Vjw0rm

Blocklisted process makes network request

Checks computer location settings

Drops startup file

Adds Run key to start application

Enumerates physical storage devices

Uses Task Scheduler COM API

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-02-23 09:28

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-02-23 09:28

Reported

2023-02-23 09:30

Platform

win10v2004-20230220-en

Max time kernel

144s

Max time network

152s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\1ZXSAOPKH09SA_PAYMENT-COPY.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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\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\1ZXSAOPKH09SA_PAYMENT-COPY.js C:\Windows\system32\wscript.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1ZXSAOPKH09SA_PAYMENT-COPY.js C:\Windows\system32\wscript.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\W56OZZRQKW = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\1ZXSAOPKH09SA_PAYMENT-COPY.js\"" C:\Windows\system32\wscript.exe N/A
Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Windows\system32\wscript.exe N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\System32\schtasks.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3608 wrote to memory of 2820 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\schtasks.exe
PID 3608 wrote to memory of 2820 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\schtasks.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Windows\system32\wscript.exe

wscript.exe C:\Users\Admin\AppData\Local\Temp\1ZXSAOPKH09SA_PAYMENT-COPY.js

C:\Windows\System32\schtasks.exe

"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Local\Temp\1ZXSAOPKH09SA_PAYMENT-COPY.js

Network

Country Destination Domain Proto
US 8.8.8.8:53 jamnnd.duckdns.org udp
VN 103.156.90.165:8024 jamnnd.duckdns.org tcp
US 8.8.8.8:53 165.90.156.103.in-addr.arpa udp
US 20.44.10.122:443 tcp
US 8.8.8.8:53 62.13.109.52.in-addr.arpa udp
NL 8.238.179.126:80 tcp
NL 8.238.179.126:80 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 131.253.33.203:80 tcp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-02-23 09:28

Reported

2023-02-23 09:30

Platform

win7-20230220-en

Max time kernel

141s

Max time network

147s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\1ZXSAOPKH09SA_PAYMENT-COPY.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

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1ZXSAOPKH09SA_PAYMENT-COPY.js C:\Windows\system32\wscript.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1ZXSAOPKH09SA_PAYMENT-COPY.js C:\Windows\system32\wscript.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Windows\system32\wscript.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows\CurrentVersion\Run\W56OZZRQKW = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\1ZXSAOPKH09SA_PAYMENT-COPY.js\"" C:\Windows\system32\wscript.exe N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\System32\schtasks.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1132 wrote to memory of 1196 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\schtasks.exe
PID 1132 wrote to memory of 1196 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\schtasks.exe
PID 1132 wrote to memory of 1196 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\schtasks.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Windows\system32\wscript.exe

wscript.exe C:\Users\Admin\AppData\Local\Temp\1ZXSAOPKH09SA_PAYMENT-COPY.js

C:\Windows\System32\schtasks.exe

"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Local\Temp\1ZXSAOPKH09SA_PAYMENT-COPY.js

Network

Country Destination Domain Proto
US 8.8.8.8:53 jamnnd.duckdns.org udp
VN 103.156.90.165:8024 jamnnd.duckdns.org tcp

Files

N/A