vjw0rm | 8fcdabf8ebe883f4d78a00f6abc301395188d2c26604ea44e955bd2af220f272

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7v20201028
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 19 IoCs

Processes:

wscript.exe

flow	pid	process
5	1916	wscript.exe
7	1916	wscript.exe
9	1916	wscript.exe
10	1916	wscript.exe
11	1916	wscript.exe
13	1916	wscript.exe
14	1916	wscript.exe
15	1916	wscript.exe
17	1916	wscript.exe
18	1916	wscript.exe
19	1916	wscript.exe
21	1916	wscript.exe
22	1916	wscript.exe
23	1916	wscript.exe
25	1916	wscript.exe
26	1916	wscript.exe
27	1916	wscript.exe
29	1916	wscript.exe
30	1916	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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\Y4PYBQAKC3 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\FACTURE N° 15 250 B 090.pdf.js\""	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:1916

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1716-2-0x000007FEF6270000-0x000007FEF64EA000-memory.dmp

Filesize
2.5MB

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