vjw0rm | 7212024ec92f9bc4867ffbf22c146196ed32baa4321f4c46f778a38d2cf12985

Analysis

max time kernel
151s
max time network
155s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
08-02-2023 18:41

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General

Target

IQ02072023.js
Size

3KB
MD5

e55ffbc87d1b5a8b7b6b97d2d75aea7e
SHA1

880ca6bea076d325344edb38d37750fc58735c49
SHA256

7212024ec92f9bc4867ffbf22c146196ed32baa4321f4c46f778a38d2cf12985
SHA512

7708510a67192e6abba180d57d63c5d906a512c1939f04efec3b749e333f3ad495ddd5c330e24ad8164c3582ce00b8ac8e506268bcae1eef9efca7c3e1e7c059

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Extracted

Family

vjw0rm

http://209.127.19.155:5870

Signatures

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm
Blocklisted process makes network request 1 IoCs

Processes:

wscript.exe

flow pid process

3 1516 wscript.exe

flow	pid	process
3	1516	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\IQ02072023.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\IQ02072023.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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\HQO5WIKLKX = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\IQ02072023.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\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\IQ02072023.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1516

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

Replay Monitor

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Downloads

memory/1516-54-0x000007FEFBC01000-0x000007FEFBC03000-memory.dmp

Filesize
8KB

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