vjw0rm | 95281ecb56d0fa65d5d46d6ee034e955c72413c7272d1634afbbb7211555bb91

Analysis

max time kernel
141s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-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 2 IoCs

flow	pid	Process
6	428	wscript.exe
24	428	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-1-5-21-1114462139-3090196418-29517368-1000\Control Panel\International\Geo\Nation	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-1-5-21-1114462139-3090196418-29517368-1000\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
3012	schtasks.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 428 wrote to memory of 3012	428	wscript.exe	86
PID 428 wrote to memory of 3012	428	wscript.exe	86

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
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:428
- 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:3012