vjw0rm | 05e7a07a0cac3c776354d01d2858289465705e857fbd447c14a1b45467a5f1fa

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 03:24

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General

Target

0cdf14fd98567284a5cbe2fa14e93ca4.js
Size

16KB
MD5

0cdf14fd98567284a5cbe2fa14e93ca4
SHA1

7e87bbd434b28dab98a471628ec357681db9d608
SHA256

05e7a07a0cac3c776354d01d2858289465705e857fbd447c14a1b45467a5f1fa
SHA512

3c2bd27a6356deb4b90bd148e81e6b83a35ebf86845f18c07565222de69fa9acf88756eb7f6d0fa2c4caf63315e5e8d7d0864e72860586a257211d38e53ece16
SSDEEP

384:zMepYgyGv5TQtC3t8/PTu0OFh5QL4IFIaDnqW20+EcvxZFL26:/PPBQtCs/Om1FMW+hL26

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 7 IoCs

flow	pid	Process
5	2012	wscript.exe
11	2012	wscript.exe
14	2012	wscript.exe
17	2012	wscript.exe
20	2012	wscript.exe
24	2012	wscript.exe
27	2012	wscript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vuswRnMIkL.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vuswRnMIkL.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-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\B02N3ZE1UL = "\"C:\\Users\\Admin\\AppData\\Roaming\\vuswRnMIkL.js\""	wscript.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 2028	2012	wscript.exe	28
PID 2012 wrote to memory of 2028	2012	wscript.exe	28
PID 2012 wrote to memory of 2028	2012	wscript.exe	28

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\0cdf14fd98567284a5cbe2fa14e93ca4.js
1⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\vuswRnMIkL.js"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  PID:2028

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

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Downloads

C:\Users\Admin\AppData\Roaming\vuswRnMIkL.js

Filesize
5KB

MD5
93bdcce33078733a7621abd9bf7d19db

SHA1
018119c336f005efcb34b801561d0360be5e3033

SHA256
5a0942dfe91f30dbd57bf4a76da32aed736007aeb14c4de09d0e40a173ed2b67

SHA512
4e470ea26eedf093968221280d5d0e3b1c6dae9b07266abd35a0ba1220da821548b9390175dfcd528cee5426834ccd72ab34918eb4d69158cba57bc14fc6f01b

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads