vjw0rm | a51cc3c60ccd7b5ea425e70d4a6d3b66174f6e0b71304e9cc34bd800e54d6bc4

Analysis

max time kernel
148s
max time network
161s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26-02-2024 21:57

Target

a51cc3c60ccd7b5ea425e70d4a6d3b66174f6e0b71304e9cc34bd800e54d6bc4.js
Size

16KB
MD5

836365de25b8b33c14a7971eeca6151b
SHA1

2d781e6634f16e12952318b84185f73637724c9c
SHA256

a51cc3c60ccd7b5ea425e70d4a6d3b66174f6e0b71304e9cc34bd800e54d6bc4
SHA512

9b30560d74689238c15c0b7c35fc2cd8d007352445be8fda6c84be1ed602303a9285212a830df5e79131ee19d2ef738be3a942bd58147249be51572e22031f85
SSDEEP

384:wLvHm13dN8b4H28naIpRkIfyqcmNxey3hzi8zzHLRsdqjyNLxFcXtqFZaZ:wi1tNXT7PWchmYxsdqjyNNFc0FZaZ

Score

10^/10

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

Blocklisted process makes network request 16 IoCs

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a51cc3c60ccd7b5ea425e70d4a6d3b66174f6e0b71304e9cc34bd800e54d6bc4.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-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\P7EKOWB6GH = "\"C:\\ProgramData\\a51cc3c60ccd7b5ea425e70d4a6d3b66174f6e0b71304e9cc34bd800e54d6bc4.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
2900	schtasks.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2900	2228	wscript.exe	29
PID 2228 wrote to memory of 2900	2228	wscript.exe	29
PID 2228 wrote to memory of 2900	2228	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\a51cc3c60ccd7b5ea425e70d4a6d3b66174f6e0b71304e9cc34bd800e54d6bc4.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\ProgramData\a51cc3c60ccd7b5ea425e70d4a6d3b66174f6e0b71304e9cc34bd800e54d6bc4.js
  2⤵
  - Creates scheduled task(s)
  PID:2900