vjw0rm | f494422ec0931062c6fd39171b0363299073cb78b18209b11fe36f1c3065f8d6

Analysis

max time kernel
142s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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

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-1-5-21-2872745919-2748461613-2989606286-1000\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
3020	schtasks.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 3020	2412	wscript.exe	32
PID 2412 wrote to memory of 3020	2412	wscript.exe	32
PID 2412 wrote to memory of 3020	2412	wscript.exe	32

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
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2412
- 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:3020