vjw0rm | da60503512af869134e5698522fd48d794e650e0749feaf07d120b17f4cccd73

Analysis

max time kernel
144s
max time network
146s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
21-01-2024 06:09

Target

6c8cb6d8a307774cdd5229cae0a74fa2.js
Size

15KB
MD5

6c8cb6d8a307774cdd5229cae0a74fa2
SHA1

1dae1ca15bdc9eb2d3250f45b612d852c7caefda
SHA256

da60503512af869134e5698522fd48d794e650e0749feaf07d120b17f4cccd73
SHA512

a494e3240297489819f209c86a98361b27174e853fec3eff9d6959ad8a10efdc6c5f956d668349c8b4a46d3ac1a48fd89426e7e36de33eca74902047d89aca4d
SSDEEP

384:s4ws20zJwYx/HaeXI5wRYVShCGO5WJFHuBUlxa:sR0l7o5+8GJJ/Y

Score

10^/10

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

Blocklisted process makes network request 18 IoCs

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6c8cb6d8a307774cdd5229cae0a74fa2.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-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\P7EKOWB6GH = "\"C:\\ProgramData\\6c8cb6d8a307774cdd5229cae0a74fa2.js\""	wscript.exe

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
2712	schtasks.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 2712	2428	wscript.exe	29
PID 2428 wrote to memory of 2712	2428	wscript.exe	29
PID 2428 wrote to memory of 2712	2428	wscript.exe	29

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\6c8cb6d8a307774cdd5229cae0a74fa2.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\ProgramData\6c8cb6d8a307774cdd5229cae0a74fa2.js
  2⤵
  - Creates scheduled task(s)
  PID:2712