vjw0rm | 483092b7a268b51243e99cdf55f71e30f16edd17fd21f913cabab75811642cf6

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
24/07/2023, 01:56

Target

39372ec10b2720511f8ca94e8aed43273c507637ec03f9a1eac279aadeb22c55.js
Size

24KB
MD5

4272d76e2efed7d323e14bccef987913
SHA1

a8cde379b41cfafb036896484844620a7fcc11c6
SHA256

39372ec10b2720511f8ca94e8aed43273c507637ec03f9a1eac279aadeb22c55
SHA512

717ca100e5f2463b8aa675185e2dbd743a015fffe7654dab2b227691ed66e9443a3e387d31c3eeed63a22d1b3f77b213feec3c3fe6c1438ddf5313066f2583a9
SSDEEP

384:0B+UO8kwlbBtHS0ihYvG3bMZcCOQHp4aIX6xEzWZNxFlumanjjjIYNFLD5zvOJ:09ewl7tGr+Oy4aPOL13IoFLdzGJ

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	1324	wscript.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\39372ec10b2720511f8ca94e8aed43273c507637ec03f9a1eac279aadeb22c55.js	wscript.exe

Adds Run key to start application 2 TTPs 2 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Windows\CurrentVersion\Run\1CYH0WDT4T = "\"C:\\Users\\Admin\\AppData\\Roaming\\39372ec10b2720511f8ca94e8aed43273c507637ec03f9a1eac279aadeb22c55.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
2448	schtasks.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1324 wrote to memory of 2448	1324	wscript.exe	29
PID 1324 wrote to memory of 2448	1324	wscript.exe	29
PID 1324 wrote to memory of 2448	1324	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\39372ec10b2720511f8ca94e8aed43273c507637ec03f9a1eac279aadeb22c55.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1324
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\39372ec10b2720511f8ca94e8aed43273c507637ec03f9a1eac279aadeb22c55.js
  2⤵
  - Creates scheduled task(s)
  PID:2448