vjw0rm | 05c63cde94e8cf070a1d5fe7e1d14cf4e8f37da01274224dcbe67a136a4f8d77

Analysis

max time kernel
204s
max time network
234s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
22/12/2023, 08:35

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General

Target

7db6d9cd3eb60b8e7296921e4d8d959e.js
Size

225KB
MD5

7db6d9cd3eb60b8e7296921e4d8d959e
SHA1

b2bbea5b2f903c83758d2bb31399addcab9a32ad
SHA256

05c63cde94e8cf070a1d5fe7e1d14cf4e8f37da01274224dcbe67a136a4f8d77
SHA512

c42bf22429f2f84cede85e6bdf93ac15a7cd6498086df302b8559575b2aa95bc88ad1da8e73096bd3f10549c5fc8f75c5bdd25b2d08862a1b3a144130e4fb44f
SSDEEP

3072:hVuQKzealjEa4d9EHDV6iLPxjA/xNUpv4WJ8SL2IIaumMikL1j/4L+rXpHUcBsyH:hkQjDnd6HZjPxVgvm2IIaumY1jfrLMWB

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 opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\HjFFOyQEiR.js	WScript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\HjFFOyQEiR.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-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\HjFFOyQEiR.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 2572 wrote to memory of 1644	2572	wscript.exe	29
PID 2572 wrote to memory of 1644	2572	wscript.exe	29
PID 2572 wrote to memory of 1644	2572	wscript.exe	29
PID 2572 wrote to memory of 2860	2572	wscript.exe	30
PID 2572 wrote to memory of 2860	2572	wscript.exe	30
PID 2572 wrote to memory of 2860	2572	wscript.exe	30

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\7db6d9cd3eb60b8e7296921e4d8d959e.js
1⤵
- Suspicious use of WriteProcessMemory
PID:2572
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\HjFFOyQEiR.js"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  PID:1644
- C:\Program Files\Java\jre7\bin\javaw.exe
  "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\svukiohi.txt"
  2⤵
  PID:2860

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\HjFFOyQEiR.js

Filesize
10KB

MD5
25308d3faf2814d521f745a11eddb128

SHA1
c43b46b320a9712d7d2122c0815b4c89197658ad

SHA256
e07beb274f63e2a973e5dd8ba08c7898cfd04a878ed9e582783541ae95c863e5

SHA512
4a8cb10e2c453b168f83e5044d893231c245bbb76a9470bed8817d41daabd6c3fb7be8ae704b58850ac1c3e423668579db0faeac4d79ff1473e0adf2c04c7ae4

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

Filesize
102KB

MD5
d30db43fa4de3d1c86d88199fd218672

SHA1
f87e903271b69f5dc3dc5b1da84dca781a838247

SHA256
e3c140f5c4fa10ef365115cfa71f73b3a503313cf94068365472bb431e91e7e1

SHA512
ba7a5fb9a375a5e1edaf9821d3de2d466a2649cfc4a690170c0c295b7b98fdad9577427a45f6938a7c4ecd827e7554e70175a36f4dfbeb2f7d25f8d22de707ca

Download Submit
memory/2860-13-0x0000000002100000-0x0000000005100000-memory.dmp

Filesize
48.0MB

Download
memory/2860-21-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2860-22-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2860-44-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2860-50-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2860-51-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2860-53-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2860-64-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2860-76-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2860-82-0x0000000002100000-0x0000000005100000-memory.dmp

Filesize
48.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads