vjw0rm | f494422ec0931062c6fd39171b0363299073cb78b18209b11fe36f1c3065f8d6

Analysis

max time kernel
142s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-01-2025 10:39

Target

sus.js
Size

5KB
MD5

5ffa64bc687da9b568eaaca857db1a1f
SHA1

5593dcbaee25124b49a9bd76a491c53cefb54acb
SHA256

f494422ec0931062c6fd39171b0363299073cb78b18209b11fe36f1c3065f8d6
SHA512

5ec4704d2da3c221d8dcf4df7adb2845e1ccafce689d33141c3bbd8bd702355e71fc91e9e5b5c2f763c6b76c05f33c401004d085608147dd720da31db834399a
SSDEEP

96:SABNo5DRk2c24ZRMHXE6/BI0w+Ys+fJrDdQqR7bJyKIROS4Uu/ingHXRZfzYMe/d:zSa2c24ZRMlBI0TYs+fJXfRfNJingHXm

Score

10^/10

Family

vjw0rm

http://speed-janet.gl.at.ply.gg:2217

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm
Vjw0rm family
vjw0rm

Blocklisted process makes network request 5 IoCs

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sus.js	wscript.exe

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\M3T1JCIFSQ = "\"C:\\Users\\Public\\sus.js\""	wscript.exe

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

Scheduled Task

pid	Process
2688	schtasks.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3716 wrote to memory of 2688	3716	wscript.exe	84
PID 3716 wrote to memory of 2688	3716	wscript.exe	84

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\sus.js
1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3716
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Public\sus.js
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2688