vjw0rm | f99f5c043620cf790857f1a2c8906a9323c57a5b6fa6a59acd571eb1bfc68328

Analysis

max time kernel
1796s
max time network
1801s
platform
windows10_x64
resource
win10-en-20211104
submitted
02-12-2021 16:41

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General

Target

RRXVpOavDl.js
Size

9KB
MD5

dfdc9c79b321d87cc8dcbb361a69ecb5
SHA1

7d430e4ef2ecaf4db5e42789a56b2ea4e280b35c
SHA256

f99f5c043620cf790857f1a2c8906a9323c57a5b6fa6a59acd571eb1bfc68328
SHA512

4856afcf1953a9056253af8baa39b6d9283aa17153903c3c671785e51ac2ccf7aa104fac5e4c2fb4098d1f1ed6a9c9212cfe2ebbbbe6f46fc53ebec96537705f

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	3676	wscript.exe
22	3676	wscript.exe
23	3676	wscript.exe
27	3676	wscript.exe
28	3676	wscript.exe
29	3676	wscript.exe
30	3676	wscript.exe
31	3676	wscript.exe
34	3676	wscript.exe
35	3676	wscript.exe
36	3676	wscript.exe
37	3676	wscript.exe
38	3676	wscript.exe
39	3676	wscript.exe
40	3676	wscript.exe
41	3676	wscript.exe
42	3676	wscript.exe
43	3676	wscript.exe
44	3676	wscript.exe
45	3676	wscript.exe
46	3676	wscript.exe
47	3676	wscript.exe
49	3676	wscript.exe
50	3676	wscript.exe
51	3676	wscript.exe
52	3676	wscript.exe
53	3676	wscript.exe
54	3676	wscript.exe
55	3676	wscript.exe
56	3676	wscript.exe
57	3676	wscript.exe
58	3676	wscript.exe
59	3676	wscript.exe
60	3676	wscript.exe
61	3676	wscript.exe
62	3676	wscript.exe
63	3676	wscript.exe
64	3676	wscript.exe
65	3676	wscript.exe
66	3676	wscript.exe
67	3676	wscript.exe
68	3676	wscript.exe
69	3676	wscript.exe
70	3676	wscript.exe
71	3676	wscript.exe
72	3676	wscript.exe
73	3676	wscript.exe
74	3676	wscript.exe
75	3676	wscript.exe
76	3676	wscript.exe
77	3676	wscript.exe
78	3676	wscript.exe
79	3676	wscript.exe
80	3676	wscript.exe
81	3676	wscript.exe
82	3676	wscript.exe
83	3676	wscript.exe
84	3676	wscript.exe
85	3676	wscript.exe
86	3676	wscript.exe
87	3676	wscript.exe
88	3676	wscript.exe
89	3676	wscript.exe
90	3676	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\RRXVpOavDl.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RRXVpOavDl.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-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\RRXVpOavDl.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\RRXVpOavDl.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:3676

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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