vjw0rm | 74fc83dc153086db0329b982e73e8bee4b652d1265c8185b0b4374898a112d06

Analysis

max time kernel
89s
max time network
92s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
02-02-2023 11:39

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General

Target

TG216_94_312_PDF.js
Size

97KB
MD5

7afbb2051c1ba1c1e88c499c5e11636a
SHA1

4b2a14b3ca310b1f39959c130ae7b72a03078873
SHA256

74fc83dc153086db0329b982e73e8bee4b652d1265c8185b0b4374898a112d06
SHA512

c506d2d13383948d9acfafdc152f81326fc73381530fbb019794f9bc2b7733b3b455f6eddc92d597614f0f6d641f391d737f93f809486707cb1d8f84378309ec
SSDEEP

384:chWWz5Kfy24jHueR45qWWxWBWHKSqmqR4G:XYG

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Extracted

Family

vjw0rm

http://js9400.duckdns.org:9400

Signatures

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm
Blocklisted process makes network request 1 IoCs

Processes:

wscript.exe

flow pid process

4 2024 wscript.exe

flow	pid	process
4	2024	wscript.exe

Drops startup file 2 IoCs

Processes:

wscript.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\TG216_94_312_PDF.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\TG216_94_312_PDF.js	wscript.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\0YME0MQN5Y = "'C:\\Users\\Admin\\AppData\\Local\\Temp\\TG216_94_312_PDF.js'"	wscript.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\TG216_94_312_PDF.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:2024

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2024-54-0x000007FEFBE21000-0x000007FEFBE23000-memory.dmp

Filesize
8KB

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