vjw0rm | 81e404c97700d97eb4ed9274f84071f48ab947f297afac6367234995467c0c1b

Analysis

max time kernel
142s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 05:42

Target

HB00UN_Copy.js
Size

14KB
MD5

4abaff06af02cab33d67aa79028cd546
SHA1

f3831e4dd7f55fea6f093900a50e11cc311bb3df
SHA256

39a2889a8f27f0c875f04ac82ebefb26247e41f88c5b2824f649748901ae3a6a
SHA512

0f8afa70dc5a7838f6d7359f6cdad354fc1a2e9ec1072e47a39c336712e738ca0c6495598d6fdf00c76378b8cc2ae6068b00ece64d3bcdeec94533f017acc66a
SSDEEP

384:mrdNm05MJQo0UtDsIU0dUgpZENMsfyW2vJuxqgeh:mJNm05orVSY3MynJuEgeh

Score

10^/10

Family

vjw0rm

http://dbmne20.duckdns.org:8832

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm
Vjw0rm family
vjw0rm

Blocklisted process makes network request 18 IoCs

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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\HB00UN_Copy.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\HB00UN_Copy.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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SIQECRKOSC = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\HB00UN_Copy.js\""	wscript.exe

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

Scheduled Task

pid	Process
4676	schtasks.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3668 wrote to memory of 4676	3668	wscript.exe	86
PID 3668 wrote to memory of 4676	3668	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\HB00UN_Copy.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:3668
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Local\Temp\HB00UN_Copy.js
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4676