vjw0rm | 5bb9ac9554d7d5b6dc6267071c9e8861f7c4e3b6699fa813adcfd8e68d931ca3

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 16:40

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General

Target

f6a0c90577be13a03ce39b87a5a8435f.js
Size

116KB
MD5

f6a0c90577be13a03ce39b87a5a8435f
SHA1

51326015ee690361761a076fd1edf845c94b8c42
SHA256

5bb9ac9554d7d5b6dc6267071c9e8861f7c4e3b6699fa813adcfd8e68d931ca3
SHA512

6d101f510fdb20e6bb121221195c2881e0725f860c5cb7951d12dca12148487bc1694cc08d646d6aa47378bde2a3e6b53102d343d9925dc0b4722c6369725ae5
SSDEEP

192:n0u40xWWHrW9WHxq0i1dhwhw9AFX9xFMM9cfR8BCO92spMU5f4sv1Ml8zDktfME8:t9WWHFTLL2RyCDlGTWW5qKLaMiOfF

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
16	3980	wscript.exe
36	3980	wscript.exe
37	3980	wscript.exe
52	3980	wscript.exe
53	3980	wscript.exe
58	3980	wscript.exe
60	3980	wscript.exe
65	3980	wscript.exe
66	3980	wscript.exe
67	3980	wscript.exe
68	3980	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\f6a0c90577be13a03ce39b87a5a8435f.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f6a0c90577be13a03ce39b87a5a8435f.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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TCT0DVSIH6 = "'C:\\Users\\Admin\\AppData\\Local\\Temp\\f6a0c90577be13a03ce39b87a5a8435f.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\f6a0c90577be13a03ce39b87a5a8435f.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:3980

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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