vjw0rm | 4bdc37982e65f60e5f20f4868b4851f2b59bf7ace5f723b6fda011ee25285e01

Analysis

max time kernel
144s
max time network
160s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
18-05-2023 01:57

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General

Target

$RECYCLE.BIN/$RMH8R2U.js
Size

97KB
MD5

7aab68aeb388528f9e3448ea0dce56d7
SHA1

07d648c7247e2db064b7ba1b1b21722c475e3396
SHA256

610eb77c6ef6c0767a1b8d0157b39ea5105697ffdf31d2afa5963e4da8cd0cb8
SHA512

1f59fd8a717ff3bf9f57452440a6e08907cd9c32050aa399ab0a591c6109486410e74d21d5ee41355b4b041f4dd88c679d8077b611cfaea9c597aaa67ed0e8b4
SSDEEP

384:chWz5Kfy24jHueR45qWWxWBWHKSqmqR4G:OYG

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 14 IoCs

flow	pid	Process
4	2020	wscript.exe
6	2020	wscript.exe
7	2020	wscript.exe
9	2020	wscript.exe
10	2020	wscript.exe
11	2020	wscript.exe
13	2020	wscript.exe
14	2020	wscript.exe
15	2020	wscript.exe
17	2020	wscript.exe
18	2020	wscript.exe
19	2020	wscript.exe
21	2020	wscript.exe
22	2020	wscript.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\$RMH8R2U.js	wscript.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows\CurrentVersion\Run\0YME0MQN5Y = "'C:\\Users\\Admin\\AppData\\Local\\Temp\\$RMH8R2U.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\$RECYCLE.BIN\$RMH8R2U.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:2020

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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