vjw0rm | 8fcdabf8ebe883f4d78a00f6abc301395188d2c26604ea44e955bd2af220f272

Analysis

max time kernel
149s
max time network
149s
platform
windows10_x64
resource
win10v20201028
submitted
14-01-2021 17:56

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General

Target

FACTURE N° 15 250 B 090.pdf.js
Size

39KB
MD5

3ec11795a1e0b48e5d5452fc4d59f092
SHA1

428dedaf13aa452b4cec5fd87af14abdcb13b7c7
SHA256

8fcdabf8ebe883f4d78a00f6abc301395188d2c26604ea44e955bd2af220f272
SHA512

9b34e3e71e33bab4cd6299920e8375f1768e6b745f6252e516df2a6b71e9fce58c23be8ce355745de4365ce4fad1db16dc22d25329f89ff7eb59fc5f89b6b0c2

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 21 IoCs

Processes:

wscript.exe

flow	pid	process
7	576	wscript.exe
9	576	wscript.exe
11	576	wscript.exe
13	576	wscript.exe
20	576	wscript.exe
22	576	wscript.exe
23	576	wscript.exe
24	576	wscript.exe
25	576	wscript.exe
26	576	wscript.exe
30	576	wscript.exe
31	576	wscript.exe
32	576	wscript.exe
33	576	wscript.exe
34	576	wscript.exe
35	576	wscript.exe
36	576	wscript.exe
37	576	wscript.exe
38	576	wscript.exe
39	576	wscript.exe
40	576	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
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\Y4PYBQAKC3 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\FACTURE N° 15 250 B 090.pdf.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\FACTURE N° 15 250 B 090.pdf.js"
1⤵
- Blocklisted process makes network request
- Adds Run key to start application
PID:576

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/576-2-0x0000025194DB0000-0x0000025194DB4000-memory.dmp

Filesize
16KB

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