vjw0rm | 936639e100692e6dd885ceca767071ce65b0688781d4b0abd561b6cc99e1eadb

Analysis

max time kernel
141s
max time network
162s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
01-01-2024 01:38

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General

Target

3b9087e336a51c6256227c4095d6b749.js
Size

38KB
MD5

3b9087e336a51c6256227c4095d6b749
SHA1

48c55dcb26aae4826d4bf49f2b59112565e20b5f
SHA256

936639e100692e6dd885ceca767071ce65b0688781d4b0abd561b6cc99e1eadb
SHA512

b355597660f5acd502ec8fb710f16deaf97277467476745d5c1da2677e46884077fc498a70471ff2da80a1c49a71c59a377442e69784fbec09a6788b209f1008
SSDEEP

96:XNK7tpztcROHcRb+UfL7MHU+d3e74XkDCqs00AKp07llhIx07l49Unf66NGMefYD:A7h0FixS9kgT9h

Score

10^/10

vjw0rm trojan worm

Malware Config

Extracted

Family

vjw0rm

http://publicvm.camdvr.org:2222

Signatures

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm

Blocklisted process makes network request 1 IoCs

flow	pid	Process
4	2520	wscript.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3b9087e336a51c6256227c4095d6b749.js	wscript.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2708	schtasks.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2708	2520	wscript.exe	30
PID 2520 wrote to memory of 2708	2520	wscript.exe	30
PID 2520 wrote to memory of 2708	2520	wscript.exe	30

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\3b9087e336a51c6256227c4095d6b749.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\3b9087e336a51c6256227c4095d6b749.js
  2⤵
  - Creates scheduled task(s)
  PID:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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