vjw0rm | 3fc1fb51d51fad0c29f39c364ec884316425d0f720d936961fca636bd02bbf36

Analysis

max time kernel
1795s
max time network
1803s
platform
windows10_x64
resource
win10v20210408
submitted
04-09-2021 01:54

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General

Target

js-decoded-3.js
Size

3KB
MD5

d5b3975035faa8a2932a5842c34d741b
SHA1

14f8c1376797a6701fbeb868a3fe331b0db01e18
SHA256

3fc1fb51d51fad0c29f39c364ec884316425d0f720d936961fca636bd02bbf36
SHA512

f80659d9081abd5f8d37fa4017a3371382f6a9af942094a3512fe880e6c8ad2ed8ccc8ab85f08d94f3de6fee282f28146342d8bdc1f640b3363070a65d67fc3b

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 64 IoCs

Processes:

wscript.exe

flow	pid	process
10	656	wscript.exe
16	656	wscript.exe
19	656	wscript.exe
20	656	wscript.exe
21	656	wscript.exe
22	656	wscript.exe
23	656	wscript.exe
24	656	wscript.exe
25	656	wscript.exe
26	656	wscript.exe
27	656	wscript.exe
28	656	wscript.exe
29	656	wscript.exe
30	656	wscript.exe
31	656	wscript.exe
32	656	wscript.exe
33	656	wscript.exe
34	656	wscript.exe
35	656	wscript.exe
36	656	wscript.exe
37	656	wscript.exe
38	656	wscript.exe
39	656	wscript.exe
40	656	wscript.exe
41	656	wscript.exe
42	656	wscript.exe
43	656	wscript.exe
44	656	wscript.exe
45	656	wscript.exe
46	656	wscript.exe
47	656	wscript.exe
48	656	wscript.exe
49	656	wscript.exe
50	656	wscript.exe
51	656	wscript.exe
52	656	wscript.exe
57	656	wscript.exe
63	656	wscript.exe
64	656	wscript.exe
65	656	wscript.exe
66	656	wscript.exe
67	656	wscript.exe
68	656	wscript.exe
69	656	wscript.exe
72	656	wscript.exe
73	656	wscript.exe
74	656	wscript.exe
75	656	wscript.exe
76	656	wscript.exe
77	656	wscript.exe
78	656	wscript.exe
79	656	wscript.exe
80	656	wscript.exe
81	656	wscript.exe
82	656	wscript.exe
83	656	wscript.exe
84	656	wscript.exe
85	656	wscript.exe
86	656	wscript.exe
87	656	wscript.exe
88	656	wscript.exe
89	656	wscript.exe
90	656	wscript.exe
91	656	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\js-decoded-3.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\js-decoded-3.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-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\js-decoded-3.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

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\js-decoded-3.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:656

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

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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