vjw0rm | e99599c5b1407b96f88bfcca51264c13d7ff5e7d00c2c3868636b575bb06fcae

Analysis

max time kernel
143s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
14/08/2023, 15:43

Target

e99599c5b1407b96f88bfcca51264c13d7ff5e7d00c2c3868636b575bb06fcae_JC.js
Size

3KB
MD5

d65a553af676282e15cb3ab7cf998998
SHA1

dd76b76df265973b7aea2f3ffaba45123024f05c
SHA256

e99599c5b1407b96f88bfcca51264c13d7ff5e7d00c2c3868636b575bb06fcae
SHA512

d7ca6988dfda70a9e390ebe2a65c2a01bd0fe2407df8be83276a1f31781b1bc143daad40ff90310d0fe78c3beffc3b817b8c32637de732c049689d12b62ab4a7

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\e99599c5b1407b96f88bfcca51264c13d7ff5e7d00c2c3868636b575bb06fcae_JC.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-1-5-21-3195054982-4292022746-1467505928-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5RQEBVICNC = "\"C:\\Users\\Admin\\AppData\\Roaming\\e99599c5b1407b96f88bfcca51264c13d7ff5e7d00c2c3868636b575bb06fcae_JC.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
5068	schtasks.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 768 wrote to memory of 5068	768	wscript.exe	82
PID 768 wrote to memory of 5068	768	wscript.exe	82

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\e99599c5b1407b96f88bfcca51264c13d7ff5e7d00c2c3868636b575bb06fcae_JC.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:768
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\e99599c5b1407b96f88bfcca51264c13d7ff5e7d00c2c3868636b575bb06fcae_JC.js
  2⤵
  - Creates scheduled task(s)
  PID:5068