vjw0rm | 9b647c40e98c2de028ce703d6b5558b6a9a9d75a59c7cdd81d78e71aea0c25d7

Analysis

max time kernel
144s
max time network
149s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
16-02-2024 14:35

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General

Target

54676885.js
Size

6KB
MD5

edd277e7a04ec062c49bafdb7d8b07af
SHA1

1ff9c18bacf61a830f4f7001c5e19f8868ceb6b8
SHA256

9b647c40e98c2de028ce703d6b5558b6a9a9d75a59c7cdd81d78e71aea0c25d7
SHA512

fe118202237beae08ed786fa6905c418e18c9b27a40083911ebe77bd23c7584124eb5ff4422a0b9f9d49f7dbc7a618b2a30cefc938cdbcb36cc30d6b711778af
SSDEEP

96:FnYZH1uypXd3HofJBslCFGJc9lBdqlr+bXcCnTBw5BdeCldb+rNeUo0:BYZVhDrLlriXcCnTBw5BdnldCrNHo0

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

flow	pid	Process
4	2772	wscript.exe
6	2772	wscript.exe
7	2772	wscript.exe
9	2772	wscript.exe
10	2772	wscript.exe
11	2772	wscript.exe
13	2772	wscript.exe
14	2772	wscript.exe
15	2772	wscript.exe
17	2772	wscript.exe
18	2772	wscript.exe
19	2772	wscript.exe
21	2772	wscript.exe
22	2772	wscript.exe
23	2772	wscript.exe
25	2772	wscript.exe
26	2772	wscript.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\54676885.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\54676885.js	wscript.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Run\F5D13XFZ84 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\54676885.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\54676885.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:2772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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