vjw0rm | 6183badb23d6b2673972d9faf76267226a83311238c7819c3f3732481f291221

General

Target

PopDetailed.js
Size

28KB
MD5

c071fe68b4744fa5af4b3f316247d2f3
SHA1

0a24c9a107802e9580d6a897aaeb6461861b820e
SHA256

6183badb23d6b2673972d9faf76267226a83311238c7819c3f3732481f291221
SHA512

98e43088f1ab1e6841114e7be06639e357b2b1b69c3911c030db99176de6c9f84d055c6015bff75cf93d5f631e0585ea40e1fc35570f0e2676ebd473640330d8

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 19 IoCs

Processes:

wscript.exewscript.exe

flow	pid	process
12	1664	wscript.exe
13	1712	wscript.exe
14	1712	wscript.exe
15	1712	wscript.exe
18	1712	wscript.exe
19	1712	wscript.exe
20	1712	wscript.exe
22	1712	wscript.exe
23	1712	wscript.exe
24	1712	wscript.exe
27	1712	wscript.exe
28	1712	wscript.exe
30	1712	wscript.exe
32	1712	wscript.exe
33	1712	wscript.exe
34	1712	wscript.exe
36	1712	wscript.exe
37	1712	wscript.exe
38	1712	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\UGjSbcFXKv.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\UGjSbcFXKv.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
Key created	\REGISTRY\USER\S-1-5-21-1669990088-476967504-438132596-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1669990088-476967504-438132596-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\UGjSbcFXKv.js\""	wscript.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 1664 wrote to memory of 1712	1664	wscript.exe	wscript.exe
PID 1664 wrote to memory of 1712	1664	wscript.exe	wscript.exe
PID 1664 wrote to memory of 1712	1664	wscript.exe	wscript.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\PopDetailed.js
1⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:1664

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\UGjSbcFXKv.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1712

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\UGjSbcFXKv.js

MD5
1a8aa0a13883c9b73b59b286c603e0aa

SHA1
b5eb5660bc3543e26efef3ea3083d0b9fe6dc743

SHA256
8213ce25f2b8a3f62a5610c286a60f8b5d2c310dc72681c7b1d20a9d4fc537d5

SHA512
4fd1e61432713dc121ec8a522abdaa0e1e298212db348d87f1107b764ce1a093495055e5b3e7ab2e265c25f106bd9dd6bfb30ccfdd38ee4c476c8ee1a0298a38

Download Submit
memory/1712-52-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads