vjw0rm | 02cc696570db415f09b6cd2e8d05aa463e03cf0d3b4a6bc92ee367d6c357f522

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 15:50

Target

02cc696570db415f09b6cd2e8d05aa463e03cf0d3b4a6bc92ee367d6c357f522.js
Size

25KB
MD5

fb095067b1cea82381df42c7fd97a5c3
SHA1

98e7f6d6473be733886f2090efe3999935803a78
SHA256

02cc696570db415f09b6cd2e8d05aa463e03cf0d3b4a6bc92ee367d6c357f522
SHA512

d6c7c6651b97b29243843db189d05bd67acdff097282b07ae43d8021f78887eec2feb8074ee68817baa428d35a1588ae620d811c1f7cda04b39c8b325d388072
SSDEEP

384:vXot+AkpABR0CyZChNi1OtDt+QWtla7qxsbUEa9YdyG+BKMHXWUGqOQPmKE2M7La:9zgR0k414Yba7qxOUEa6yAMmMdAa

Score

10^/10

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

Blocklisted process makes network request 15 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-1-5-21-857544305-989156968-2929034274-1000\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\02cc696570db415f09b6cd2e8d05aa463e03cf0d3b4a6bc92ee367d6c357f522.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-1-5-21-857544305-989156968-2929034274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\UQHC8JRDD3 = "\"C:\\Users\\Admin\\AppData\\Roaming\\02cc696570db415f09b6cd2e8d05aa463e03cf0d3b4a6bc92ee367d6c357f522.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
2324	schtasks.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 2324	4920	wscript.exe	87
PID 4920 wrote to memory of 2324	4920	wscript.exe	87

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\02cc696570db415f09b6cd2e8d05aa463e03cf0d3b4a6bc92ee367d6c357f522.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:4920
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\02cc696570db415f09b6cd2e8d05aa463e03cf0d3b4a6bc92ee367d6c357f522.js
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2324