vjw0rm | 9e30af630ba15f719d8c377e3a8a99a5c98213fd1a81f2d7895f426b53edf407

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
14/06/2023, 12:17

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General

Target
04075799.js
Size 6KB
Sample230614-pgc23sgf86
SHA256 9e30af630ba15f719d8c377e3a8a99a5c98213fd1a81f2d7895f426b53edf407
MD5 28207514dfbe2e049fa6ba1fe6fe978c
SHA1 31944447fce1bd818fcdbce1990e90590a512966
SHA512 04d1e1b6d35660b831bf945e9777ae55fa4101199be54c4b22bff01a462855e1e09994924248297ec2cf7f86a4a0be0156ff66cd7d0ad0ff028268232ecf6a7b
SSDEEP 96:2ZH1uyLoXI6PoXT2lcJc9hEOHOVSbgZ2BwuxXV8292ZrYEboyYywOLKiHe4TmOMy:2ZVh1VsO292ZM6DLKElsAVUh8AsX
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Extracted

Family

vjw0rm

http://corewo4romocm.duckdns.org:7971

Signatures

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

Blocklisted process makes network request 2 IoCs

flow	pid	Process
4	4968	wscript.exe
17	4968	wscript.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\04075799.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-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RCGLSQK375 = "\"C:\\Users\\Admin\\04075799.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\04075799.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:4968

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

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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