vjw0rm | 4bdc37982e65f60e5f20f4868b4851f2b59bf7ace5f723b6fda011ee25285e01

Analysis

max time kernel
154s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
18/05/2023, 01:57

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General

Target

$RECYCLE.BIN/$R5VEPRW.js
Size

97KB
MD5

7afbb2051c1ba1c1e88c499c5e11636a
SHA1

4b2a14b3ca310b1f39959c130ae7b72a03078873
SHA256

74fc83dc153086db0329b982e73e8bee4b652d1265c8185b0b4374898a112d06
SHA512

c506d2d13383948d9acfafdc152f81326fc73381530fbb019794f9bc2b7733b3b455f6eddc92d597614f0f6d641f391d737f93f809486707cb1d8f84378309ec
SSDEEP

384:chWWz5Kfy24jHueR45qWWxWBWHKSqmqR4G:XYG

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 11 IoCs

flow	pid	Process
9	1148	wscript.exe
12	1148	wscript.exe
17	1148	wscript.exe
20	1148	wscript.exe
32	1148	wscript.exe
39	1148	wscript.exe
53	1148	wscript.exe
69	1148	wscript.exe
73	1148	wscript.exe
87	1148	wscript.exe
89	1148	wscript.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\$R5VEPRW.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-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0YME0MQN5Y = "'C:\\Users\\Admin\\AppData\\Local\\Temp\\$R5VEPRW.js'"	wscript.exe

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

System Information Discovery
T1082

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\$RECYCLE.BIN\$R5VEPRW.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1148

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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