vjw0rm | 9ef3d03530f8deac1764f12fe8260303fe8a5838e2858999674bf08cf90369e9

Analysis

max time kernel
148s
max time network
147s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
16/01/2024, 17:48

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General

Target

607e7ae85b834c95db9a85d479751580.js
Size

207KB
MD5

607e7ae85b834c95db9a85d479751580
SHA1

185d69ebb99a415f47c83936c3a4ae3da12f7aa6
SHA256

9ef3d03530f8deac1764f12fe8260303fe8a5838e2858999674bf08cf90369e9
SHA512

65c5b4c95a5fe4ca6470a5abd6ef4de2f77fc2ed0638f914227190939d92378109216ea772ebf685858550c9d10586a6660642ae30ea26d3c8833e2ea77e2825
SSDEEP

3072:dLmh3QXXwTHXGsE8UX7vyzdiTqhtU3Pe5lawoZt5btCbYfjtqatzhILnGfw/:UV5H2s1UXWzdiTmU26woT5RJqcIX

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\CDImfLjZVm.js	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\CDImfLjZVm.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-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\CDImfLjZVm.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 3032 wrote to memory of 2120	3032	wscript.exe	28
PID 3032 wrote to memory of 2120	3032	wscript.exe	28
PID 3032 wrote to memory of 2120	3032	wscript.exe	28
PID 3032 wrote to memory of 1060	3032	wscript.exe	29
PID 3032 wrote to memory of 1060	3032	wscript.exe	29
PID 3032 wrote to memory of 1060	3032	wscript.exe	29

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\607e7ae85b834c95db9a85d479751580.js
1⤵
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\CDImfLjZVm.js"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  PID:2120
- C:\Program Files\Java\jre7\bin\javaw.exe
  "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\cucqzjqs.txt"
  2⤵
  PID:1060

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

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Downloads

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

Filesize
10KB

MD5
3c42714a2658cc70b45e715b97896d61

SHA1
11bdbbe7fe227bf2b06663c4e840c3db2c09200c

SHA256
13a0e50640c3bcfbe873da3a4a6483aabfd48cac75840e6b6c4991beb4468df1

SHA512
c42cff63543040f6c27d2fd69f2d54d9a69f5674ee842890c657cf1dc674fa5b59aa9d7fc7823a6b984a2930a66287b88f1b7ec87d9ea3bc0ccc1408ec798f5a

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

Filesize
92KB

MD5
2e458a59025b390fbdf7d3717314b507

SHA1
d5a84f501bfa81682ebde5e31a68794140141785

SHA256
6b723bd260b53c68c716ef218c78718d3e99ab4d4238a4bd823fd0cd6ec8007b

SHA512
2b463bc4ef98264560abad47053549c463fc9ee098c97cd60d58c959ba67f4ddf2ca60856f6564802a9f056740fbedbb6bdc829388c136c13b334563465d1f22

Download Submit
memory/1060-10-0x0000000002580000-0x0000000005580000-memory.dmp

Filesize
48.0MB

Download
memory/1060-17-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/1060-24-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/1060-29-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/1060-34-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/1060-36-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/1060-48-0x0000000002580000-0x0000000005580000-memory.dmp

Filesize
48.0MB

Download
memory/1060-57-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/1060-66-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/1060-67-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads