vjw0rm | 9fd94aca819af4ae40e78aaebc42c92af94539135ccd50839626a2565106f9e9

Analysis

max time kernel
148s
max time network
140s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14-02-2024 02:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

9a7ad3d3d82e36a33e673af5a6ad66ea.js
Size

200KB
MD5

9a7ad3d3d82e36a33e673af5a6ad66ea
SHA1

9b4683b9ff01722e54bca2b88789ff6304978e32
SHA256

9fd94aca819af4ae40e78aaebc42c92af94539135ccd50839626a2565106f9e9
SHA512

1412efe123cba05e5982a379bf8ee3afcc3fb384dbd0b9efe739d8ecbc30823dd26be1198d71cb594dedeaf2e26e757bb17e67d6b19680e36b2a8ba970df8479
SSDEEP

3072:4q+Ly+xa+i9bNCmcaOz7M8UDFDV/n1jyC4cBchiD3+C5hKkjQXRJp:jki9Imca0MVRhZyNCYiDO1kEnp

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Signatures

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

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\YphdXIgjJq.js	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\YphdXIgjJq.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\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\YphdXIgjJq.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 6 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 2196	1652	wscript.exe	28
PID 1652 wrote to memory of 2196	1652	wscript.exe	28
PID 1652 wrote to memory of 2196	1652	wscript.exe	28
PID 1652 wrote to memory of 2808	1652	wscript.exe	29
PID 1652 wrote to memory of 2808	1652	wscript.exe	29
PID 1652 wrote to memory of 2808	1652	wscript.exe	29

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\9a7ad3d3d82e36a33e673af5a6ad66ea.js
1⤵
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\YphdXIgjJq.js"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  PID:2196
- C:\Program Files\Java\jre7\bin\javaw.exe
  "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\hrszug.txt"
  2⤵
  PID:2808

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
9KB

MD5
fa16c7f592354e070b5c0fb6cdfc3272

SHA1
6c3d396632bfb1d78777d921dfc9feada2722225

SHA256
5207094802b5e244704fe007c0a86485f08eead9cda6c6776b8b7972c3af8e68

SHA512
a9746fd10a469f2f8ead79338fb2ec2e6a50a7f27f66de547baeac6951726f680b233d13149296196b188d483ed809bac40fa95843b62385a3583c89a1a5ea3c

Download Submit
C:\Users\Admin\AppData\Roaming\hrszug.txt

Filesize
92KB

MD5
2e458a59025b390fbdf7d3717314b507

SHA1
d5a84f501bfa81682ebde5e31a68794140141785

SHA256
6b723bd260b53c68c716ef218c78718d3e99ab4d4238a4bd823fd0cd6ec8007b

SHA512
2b463bc4ef98264560abad47053549c463fc9ee098c97cd60d58c959ba67f4ddf2ca60856f6564802a9f056740fbedbb6bdc829388c136c13b334563465d1f22

Download Submit
memory/2808-9-0x0000000002630000-0x0000000005630000-memory.dmp

Filesize
48.0MB

Download
memory/2808-17-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/2808-18-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/2808-41-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/2808-46-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/2808-55-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/2808-57-0x0000000002630000-0x0000000005630000-memory.dmp

Filesize
48.0MB

Download
memory/2808-58-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/2808-64-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads