vjw0rm | 8389c925d2d78ab7caf0b4747b8301cf98a8f762eff59597f28b8fb6204fc08e

Analysis

max time kernel
135s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
16-05-2024 09:35

Target

16052024_0935_Reçu de paiement.js
Size

25KB
MD5

d09f2b4326fe1178893ca158e686991a
SHA1

b6e0016a63d51063ecbc40b31a16abb4d8ec3949
SHA256

8389c925d2d78ab7caf0b4747b8301cf98a8f762eff59597f28b8fb6204fc08e
SHA512

c0e0db2c0ed8785114341e9019ef7ae0862ac4fec469a02db951c362ba5186b7f080f98c246d0170578cacdcfb119ae6cd508f996bfd6051bf42179a11528ffa
SSDEEP

384:89/sfhWmJ4QC+/6Kd2Oo9z3+ttBbxjSqnBhtf+MWjfLRrv3bbOdik3Olj85Rknb/:KsfhhJHj66SKPKqnvN+1f1v3XOxJR+MY

Score

10^/10

Family

vjw0rm

http://severdops.ddns.net:5050

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

Blocklisted process makes network request 2 IoCs

flow	pid	Process
14	4820	wscript.exe
70	4820	wscript.exe

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-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\16052024_0935_Reçu de paiement.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\16052024_0935_Reçu de paiement.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-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5TJJF2Z3XN = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\16052024_0935_Reçu de paiement.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

Creates scheduled task(s) 1 TTPs 1 IoCs

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

Scheduled Task/Job

pid	Process
2764	schtasks.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4820 wrote to memory of 2764	4820	wscript.exe	87
PID 4820 wrote to memory of 2764	4820	wscript.exe	87

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\16052024_0935_Reçu de paiement.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:4820
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Local\Temp\16052024_0935_Reçu de paiement.js
  2⤵
  - Creates scheduled task(s)
  PID:2764