vjw0rm | 15a948980335d42d9bbc2cc1f721311936ebeeb6ce80b57c0c0f34d882a9d1ff

Analysis

max time kernel
1800s
max time network
1814s
platform
windows10_x64
resource
win10v20210408
submitted
01-09-2021 14:23

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General

Target

js-decoded-3.js
Size

3KB
MD5

744b8d34b4e5c61808a05ec5b565fd6a
SHA1

96ef2f1ad31565090ffaff2444f7ee0959181a82
SHA256

15a948980335d42d9bbc2cc1f721311936ebeeb6ce80b57c0c0f34d882a9d1ff
SHA512

e001c9e70aab07e11852582abf385fd2e7b5fdf9fb99380b9b72f83ed71664f2e21f8bab62c61261f84f67003efa0108919e1e3b0cad20b25021a2b5bb104390

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
7	804	wscript.exe
14	804	wscript.exe
16	804	wscript.exe
17	804	wscript.exe
18	804	wscript.exe
19	804	wscript.exe
20	804	wscript.exe
21	804	wscript.exe
22	804	wscript.exe
23	804	wscript.exe
24	804	wscript.exe
25	804	wscript.exe
26	804	wscript.exe
27	804	wscript.exe
28	804	wscript.exe
29	804	wscript.exe
30	804	wscript.exe
31	804	wscript.exe
32	804	wscript.exe
33	804	wscript.exe
34	804	wscript.exe
35	804	wscript.exe
36	804	wscript.exe
37	804	wscript.exe
38	804	wscript.exe
39	804	wscript.exe
40	804	wscript.exe
41	804	wscript.exe
42	804	wscript.exe
43	804	wscript.exe
44	804	wscript.exe
45	804	wscript.exe
46	804	wscript.exe
47	804	wscript.exe
48	804	wscript.exe
49	804	wscript.exe
56	804	wscript.exe
57	804	wscript.exe
58	804	wscript.exe
59	804	wscript.exe
60	804	wscript.exe
61	804	wscript.exe
62	804	wscript.exe
63	804	wscript.exe
66	804	wscript.exe
67	804	wscript.exe
68	804	wscript.exe
69	804	wscript.exe
70	804	wscript.exe
71	804	wscript.exe
72	804	wscript.exe
73	804	wscript.exe
74	804	wscript.exe
75	804	wscript.exe
76	804	wscript.exe
77	804	wscript.exe
78	804	wscript.exe
79	804	wscript.exe
80	804	wscript.exe
81	804	wscript.exe
82	804	wscript.exe
83	804	wscript.exe
84	804	wscript.exe
85	804	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:804

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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