vjw0rm | 0fe50396b25c43452630b9cac1e2ddda31a9358cb7be5e8145cf382fc6e8d95c

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31/12/2023, 07:26

Target

2d59355fbdada25c304edf911a63281d.js
Size

12KB
MD5

2d59355fbdada25c304edf911a63281d
SHA1

2200956e98b3b32e0693ed54af08b3372f541f37
SHA256

0fe50396b25c43452630b9cac1e2ddda31a9358cb7be5e8145cf382fc6e8d95c
SHA512

27b74c61783b8f97d55f89759bb6407eba558675ae2287f3df1572473b31578a3dd6eaa2222d45fb29b0518602b42a274b56f325447febcff6eac29bd7c498ff
SSDEEP

192:e7fID5S39Auo7+nPPl/zsgDkuRxl7VXbTJWQpPqWxFhXwaf5ybRqD+eLdOg:eTIs3Ro2lsgttrlFXRjhbjdB

Score

10^/10

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

Blocklisted process makes network request 7 IoCs

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2d59355fbdada25c304edf911a63281d.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2d59355fbdada25c304edf911a63281d.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-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\O3FNWNFPWY = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\2d59355fbdada25c304edf911a63281d.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
2712	schtasks.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2712	2380	wscript.exe	19
PID 2380 wrote to memory of 2712	2380	wscript.exe	19
PID 2380 wrote to memory of 2712	2380	wscript.exe	19

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\2d59355fbdada25c304edf911a63281d.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Local\Temp\2d59355fbdada25c304edf911a63281d.js
  2⤵
  - Creates scheduled task(s)
  PID:2712