vjw0rm | 40d56bd4eaf6c81e0e6ad44c8a67e9f01edc3a437044d6018613a5d6ed0b01e3

Analysis

max time kernel
307s
max time network
349s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
13-10-2023 12:54

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General

Target

Mi3873653.js
Size

300.0MB
MD5

eb87c0978863c945b3a63e2d381adb53
SHA1

792a1332160d24394ced681d4fc0e9b58a0e3377
SHA256

40d56bd4eaf6c81e0e6ad44c8a67e9f01edc3a437044d6018613a5d6ed0b01e3
SHA512

0224bb5b69044186ff1d81022d8c4a71ebb1c7cc791a53183d1eaee477a019bb0d86d033cad05d627351dbb0b36c6b7bb7c8e4fbc5a164be0d4c1e2046f2cc0b
SSDEEP

192:nlu4lgWWzi75WbAZv61hdh12cB5kw94tMa3dZYkVdPrv1kc8uIVLk5/lWWWnazci:chWWz5K0y24jHuUqWWRIHKSqm

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 28 IoCs

flow	pid	Process
5	1628	wscript.exe
6	1628	wscript.exe
7	1628	wscript.exe
9	1628	wscript.exe
10	1628	wscript.exe
11	1628	wscript.exe
13	1628	wscript.exe
14	1628	wscript.exe
15	1628	wscript.exe
17	1628	wscript.exe
18	1628	wscript.exe
19	1628	wscript.exe
21	1628	wscript.exe
22	1628	wscript.exe
23	1628	wscript.exe
25	1628	wscript.exe
26	1628	wscript.exe
27	1628	wscript.exe
29	1628	wscript.exe
30	1628	wscript.exe
31	1628	wscript.exe
33	1628	wscript.exe
34	1628	wscript.exe
35	1628	wscript.exe
37	1628	wscript.exe
38	1628	wscript.exe
39	1628	wscript.exe
41	1628	wscript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Mi3873653.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Mi3873653.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-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows\CurrentVersion\Run\ALFSRZY2AJ = "'C:\\Users\\Admin\\AppData\\Local\\Temp\\Mi3873653.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\Mi3873653.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1628

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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