vjw0rm | 95281ecb56d0fa65d5d46d6ee034e955c72413c7272d1634afbbb7211555bb91

Analysis

max time kernel
137s
max time network
140s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
24/10/2023, 07:45

Target

Order_1000213789.PDF.js
Size

22KB
MD5

f82e5618177e656fb110dca5c85f8f6c
SHA1

23bd788c1ac23a348513aefb0dc2f6e39d1261d0
SHA256

95281ecb56d0fa65d5d46d6ee034e955c72413c7272d1634afbbb7211555bb91
SHA512

cb005091bdbd87277de40409c2be840abdfcc91019ef6d0fba5c522e7056155cae06302d4cc037a07f17cdc48bca1c3383c269510706386200892553d52ac7a7
SSDEEP

384:2QC2q9GT4Il9gHgLWViTwSqKTCsLzKc5YqPlkB+T6inMNcqyj8Wj4aKfC:e2LTz6V6q6CsLWcaqPl3WinM+qZE4aN

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 1 IoCs

flow	pid	Process
4	2516	wscript.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Order_1000213789.PDF.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-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Windows\CurrentVersion\Run\UQHC8JRDD3 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Order_1000213789.PDF.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
2788	schtasks.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 2788	2516	wscript.exe	29
PID 2516 wrote to memory of 2788	2516	wscript.exe	29
PID 2516 wrote to memory of 2788	2516	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\Order_1000213789.PDF.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Order_1000213789.PDF.js
  2⤵
  - Creates scheduled task(s)
  PID:2788