vjw0rm | a4ef0bc3f82a7a6537974caa2a3c8cbcc1611aca0c80303591bcd401f05b3a2f

Analysis

max time kernel
132s
max time network
135s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
01-09-2023 14:05

Target

DOC290823-29082023144405.js
Size

24KB
MD5

4bd43de1ae996231fc4bdad4e31acc18
SHA1

40867d1931e30eea677eceb397e29bece3bbc348
SHA256

a4ef0bc3f82a7a6537974caa2a3c8cbcc1611aca0c80303591bcd401f05b3a2f
SHA512

d49612cc30985c7453ee7366514cd501ad7b4ae27c24e71def2fee63f276779ff6cb02b24d4165ee6ba3e9c2ba8f1dcfc3e79a1fb47f85608996c7b2c0e8fca6
SSDEEP

768:xjbJzKjG920H6q7DLW4pewkrEHIYz9E3HgR:BNeG9T6qzHqrEoYhigR

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
4	2560	wscript.exe
6	2560	wscript.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DOC290823-29082023144405.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-1-5-21-3513876443-2771975297-1923446376-1000\Software\Microsoft\Windows\CurrentVersion\Run\2RJZ4PQJPY = "\"C:\\Users\\Admin\\AppData\\Roaming\\DOC290823-29082023144405.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
2404	schtasks.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 2404	2560	wscript.exe	2
PID 2560 wrote to memory of 2404	2560	wscript.exe	2
PID 2560 wrote to memory of 2404	2560	wscript.exe	2

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\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\DOC290823-29082023144405.js
1⤵
- Creates scheduled task(s)
PID:2404