vjw0rm | 121e224480a89b1ef3d2512062bf6474752b2bbb4afffdd4dda03c079e7aef09

Analysis

max time kernel
144s
max time network
183s
platform
windows7_x64
resource
win7v20210410
submitted
24-08-2021 18:42

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General

Target

js-decoded-3.js
Size

3KB
MD5

293ca6a2020702d30eb057e24d73b559
SHA1

1e6bfc2b62210307295f8f8aa11c21c12e5fcad8
SHA256

121e224480a89b1ef3d2512062bf6474752b2bbb4afffdd4dda03c079e7aef09
SHA512

0795172169cd41fdcdb157ee461e9d1fe5482907813105afb68e271d88ba09421200dfda492089ee1367186d69e72578017d98c2bcccbf835495880242023817

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Signatures

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

Blocklisted process makes network request 16 IoCs

Processes:

wscript.exe

flow	pid	process
6	1816	wscript.exe
7	1816	wscript.exe
8	1816	wscript.exe
10	1816	wscript.exe
11	1816	wscript.exe
12	1816	wscript.exe
14	1816	wscript.exe
15	1816	wscript.exe
16	1816	wscript.exe
18	1816	wscript.exe
19	1816	wscript.exe
20	1816	wscript.exe
22	1816	wscript.exe
23	1816	wscript.exe
24	1816	wscript.exe
26	1816	wscript.exe

Drops startup file 2 IoCs

Processes:

wscript.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\js-decoded-3.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\js-decoded-3.js	wscript.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\js-decoded-3.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe

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

System Information Discovery
T1082

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\js-decoded-3.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1816

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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