vjw0rm | 8b89ccf2aeee269572578f39cbe44d8b9eb1e90d6625be8bb005cc5296abc629

Analysis

max time kernel
148s
max time network
142s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20/04/2024, 10:04

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General

Target

fc81b118b986d065514814c62ce2959c_JaffaCakes118.js
Size

199KB
MD5

fc81b118b986d065514814c62ce2959c
SHA1

a8c1ed074cc533c5aa6b71a3a527ffbc0493e225
SHA256

8b89ccf2aeee269572578f39cbe44d8b9eb1e90d6625be8bb005cc5296abc629
SHA512

5bf826d4cfbdd6613e4955d4eee3ef0851ad48f0ab3c8eada4c4d57b0b815af8e854d08a95eaf196316fd91f8c84aa2ec7ed5cfef8913757c19ea077e3c4a6e7
SSDEEP

3072:lritC+1MYgCc1doOgng49ooBP/GmhWi5eTIQ+vZzMd3efZeb9sHts649mPnhXe:4ggnTWq/TH1AsW6Ksle

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\QUKoVKgJQp.js	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\QUKoVKgJQp.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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\QUKoVKgJQp.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 2896 wrote to memory of 2944	2896	wscript.exe	28
PID 2896 wrote to memory of 2944	2896	wscript.exe	28
PID 2896 wrote to memory of 2944	2896	wscript.exe	28
PID 2896 wrote to memory of 2996	2896	wscript.exe	29
PID 2896 wrote to memory of 2996	2896	wscript.exe	29
PID 2896 wrote to memory of 2996	2896	wscript.exe	29

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\fc81b118b986d065514814c62ce2959c_JaffaCakes118.js
1⤵
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\QUKoVKgJQp.js"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  PID:2944
- C:\Program Files\Java\jre7\bin\javaw.exe
  "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\dnituvvj.txt"
  2⤵
  PID:2996

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\QUKoVKgJQp.js

Filesize
10KB

MD5
20db8f29d1db93e67b8b2ad6196d9e37

SHA1
ce499527cae2ea611057d5dc952132b0d948eba4

SHA256
349e780cca53f741459e1da002e177b536bf4eb7c69f5d3efaa6c4287bcfa985

SHA512
71950c00ace082834e8b13ccc869a5d13c1ee0fe83e170ea3714b0a4279bad2d560f2dd6c2f200bddd4a00b241ff6553db9f6c8156cda7b60f0c08629512bfd3

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

Filesize
89KB

MD5
7873269dd388d4ff3dbe9f020e121e89

SHA1
d50b0740bab0ebc4cf6b3cc4c586632f6dc9e13e

SHA256
bc12cbf509a1f5bff1dea9896aae44b9bc119115bf38349f6caabbbf99e0e919

SHA512
36fdd31209b3448dc32100f733c048b063521bade50a5dd8a3945b7acc5b504115036a6c37bf37ac99b31cf4f94a63b7040224bcf5d8b0c3d2bc93e4bb0fc818

Download Submit
memory/2996-46-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/2996-17-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/2996-18-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/2996-41-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/2996-8-0x00000000021B0000-0x00000000051B0000-memory.dmp

Filesize
48.0MB

Download
memory/2996-47-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/2996-49-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/2996-58-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/2996-72-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/2996-78-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/2996-81-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads