vjw0rm | 6e64dbcbe7e1c0e0eb8f4f967b936221c7a6c0185718fe991612e478e22f9cc8

Analysis

max time kernel
147s
max time network
144s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26-12-2023 19:57

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General

Target

8a64707b027a9b569641b6151c54ba24.js
Size

16KB
MD5

8a64707b027a9b569641b6151c54ba24
SHA1

b34f4dbb2f5b9a34645ea444db51841d9325a8cf
SHA256

6e64dbcbe7e1c0e0eb8f4f967b936221c7a6c0185718fe991612e478e22f9cc8
SHA512

9cade1e35eca162b7c06529b104db155e7c3a3f62965a88cbc66d709ee17ae7e86f53307b2208829d8c1ed498c96bbc3f73e7935df12b01533b4ef693f900456
SSDEEP

384:MweGYgHCLCQr8POER/JmuCOfhYFAFYQhIZGaN+Ce2buvm/vNDe7:umDQr8Wt5O+FBQhyZe2bZo7

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 14 IoCs

flow	pid	Process
5	2404	wscript.exe
7	2404	wscript.exe
10	2404	wscript.exe
12	2404	wscript.exe
15	2404	wscript.exe
16	2404	wscript.exe
20	2404	wscript.exe
24	2404	wscript.exe
27	2404	wscript.exe
28	2404	wscript.exe
30	2404	wscript.exe
31	2404	wscript.exe
35	2404	wscript.exe
37	2404	wscript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\NBQpvDxIha.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\NBQpvDxIha.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\\NBQpvDxIha.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 2404 wrote to memory of 2384	2404	wscript.exe	28
PID 2404 wrote to memory of 2384	2404	wscript.exe	28
PID 2404 wrote to memory of 2384	2404	wscript.exe	28

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\8a64707b027a9b569641b6151c54ba24.js
1⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\NBQpvDxIha.js"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  PID:2384

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\NBQpvDxIha.js

Filesize
5KB

MD5
1807d266a0331297bb3459474f4a78b5

SHA1
724d14ff54fa10acdddb4d158c68782388ca3ae6

SHA256
0167ce0f367ac05128ac702d9f1b8a853a56e5fc0fa113d53a34266b6de3f1ac

SHA512
a980c5db1bfe54a7cf5e091ae79a73240c1d17cc6cdd99b154375921030827cc0494bf8a024d0ba9a22aeb14a0960d8c8011b84683142c72ed7030c01327d132

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads