vjw0rm | a745eea0381b55cf2efe28cd6172d38bb1284d49f3f1d506bc010c7be4cb8546

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
26-02-2024 22:06

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General

Target

a745eea0381b55cf2efe28cd6172d38bb1284d49f3f1d506bc010c7be4cb8546.js
Size

27KB
MD5

cc01cf8d821a2c3059fe6598d81c8037
SHA1

cbc52f57491f1f11c12d6ab3ee515c5149aaeeb1
SHA256

a745eea0381b55cf2efe28cd6172d38bb1284d49f3f1d506bc010c7be4cb8546
SHA512

d552bc4fd264805a48b33241d34b22cdc995bd8081a596da09c52fc085f79108c045611f839c1689ecc37d3ec75a4afe1e2f20b1ae93bd31985783966070de3b
SSDEEP

768:MwiSEtFOv4qIglQKXrAwanRlgrxAGl3lrIOwkxb:biSE+grglhrA1krx8Oweb

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DAnQFuQTxS.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DAnQFuQTxS.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-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\DAnQFuQTxS.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 2 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 1004	1984	wscript.exe	85
PID 1984 wrote to memory of 1004	1984	wscript.exe	85

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\a745eea0381b55cf2efe28cd6172d38bb1284d49f3f1d506bc010c7be4cb8546.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\DAnQFuQTxS.js"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  PID:1004

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
10KB

MD5
5999fd94493466a8f93e917e7f3cfbd4

SHA1
d987297b21fcfdb9bad18338acaebb8f33b12a02

SHA256
8d1d8fb0d337eed819801d7c389aeb0f66371c23c33c825fe59bb15109914545

SHA512
2ce5a93376652ff25689492ba714dddab310ef0ccfcee2ef916caeeca21448e1731001db4777e9bbfce49958b4fe2e5a7e15f39206b4c763859ae1df237da350

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads