vjw0rm | d024f46242a5642188fe8680d38f3d0ac0daa354288daa92946ca072d5c54f01

Analysis

max time kernel
133s
max time network
139s
platform
windows10_x64
resource
win10-en-20211208
submitted
21/01/2022, 16:08

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
ROPSQ90P.js
Size 57KB
Sample220121-tk7s3sadbp
SHA256 d024f46242a5642188fe8680d38f3d0ac0daa354288daa92946ca072d5c54f01
MD5 6547a7437933b39ef6cdc9658a6a9ef5
SHA1 1a779d83880ca05511429e64588547d3c9940fee
SHA512 85c9d74c9c4929c9def69a50f0425bf1659d46e433c7288a5e2266be77d7b0dd4b45ace640a6d61641aa50f1353bea0dbf0d14924fcad634d3d26622d929c8d1
MD5 SHA1 SHA512

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Extracted

Family

vjw0rm

http://rosenberth.duckdns.org:5633

Signatures

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

Blocklisted process makes network request 1 IoCs

flow	pid	Process
9	808	wscript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ROPSQ90P.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ROPSQ90P.js	wscript.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows\CurrentVersion\Run\X06WO88LM3 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\ROPSQ90P.js\""	wscript.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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.

persistence

Scheduled Task

T1053

pid	Process
1460	schtasks.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 808 wrote to memory of 1460	808	wscript.exe	69
PID 808 wrote to memory of 1460	808	wscript.exe	69

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\ROPSQ90P.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:808
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Local\Temp\ROPSQ90P.js
  2⤵
  - Creates scheduled task(s)
  PID:1460

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads