vjw0rm | dd8ae86a69f6a09889c54b29dc299bf10ecb551f809c1fac1eeba97e3f37ae12

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
17-06-2022 17:17

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General

Target

js-decoded-2.js
Size

3KB
MD5

6f97e89ac83c12f2dd74e2577da3544c
SHA1

926677b800daec16a90d495ba5491fd3e7b136b9
SHA256

dd8ae86a69f6a09889c54b29dc299bf10ecb551f809c1fac1eeba97e3f37ae12
SHA512

e5f194d774b2ee9f8ee68ea418b531eadd21990e7c8d93970d07c408965753528fe9f02219a1f84dfa064ef76e3655ae6adf5eb6d1302fca66d0f9d3aae97790

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 17 IoCs

Processes:

wscript.exe

flow	pid	process
4	2004	wscript.exe
11	2004	wscript.exe
18	2004	wscript.exe
20	2004	wscript.exe
27	2004	wscript.exe
29	2004	wscript.exe
35	2004	wscript.exe
38	2004	wscript.exe
39	2004	wscript.exe
40	2004	wscript.exe
43	2004	wscript.exe
44	2004	wscript.exe
45	2004	wscript.exe
46	2004	wscript.exe
47	2004	wscript.exe
48	2004	wscript.exe
49	2004	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-2.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\js-decoded-2.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
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YVBPFHTJIQ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\js-decoded-2.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

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\js-decoded-2.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:2004

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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