vjw0rm | 744c760018483ee148b61b496f3fce2d3bc7de7aebb72269f914baaf73f34633

Analysis

max time kernel
136s
max time network
136s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31-01-2024 03:26

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General

Target

83515551eaa1178801cc99a303160826.js
Size

199KB
MD5

83515551eaa1178801cc99a303160826
SHA1

4adb1263847292b0fe47225a2ad2e6143f73dbaf
SHA256

744c760018483ee148b61b496f3fce2d3bc7de7aebb72269f914baaf73f34633
SHA512

0dce6c4e259995f7754933f28e4cfcd0dacd65df9d0c73dd21fdbe7bf0f4ec19036287e09088034f86dcfe9f61f44a0c2b010cf4d36275876707c389e4b6b8fe
SSDEEP

3072:lritC+1MYgCc1doOgng49ooBP/GmhWi5eTIQ+vZzMd3efZeb9sHts649mPnhXY:4ggnTWq/TH1AsW6KslY

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-1-5-21-3601492379-692465709-652514833-1000\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 1940 wrote to memory of 2656	1940	wscript.exe	28
PID 1940 wrote to memory of 2656	1940	wscript.exe	28
PID 1940 wrote to memory of 2656	1940	wscript.exe	28
PID 1940 wrote to memory of 2788	1940	wscript.exe	29
PID 1940 wrote to memory of 2788	1940	wscript.exe	29
PID 1940 wrote to memory of 2788	1940	wscript.exe	29

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\83515551eaa1178801cc99a303160826.js
1⤵
- Suspicious use of WriteProcessMemory
PID:1940
- 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:2656
- C:\Program Files\Java\jre7\bin\javaw.exe
  "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\okzbgajuzh.txt"
  2⤵
  PID:2788

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\QUKoVKgJQp.js

Filesize
10KB

MD5
20db8f29d1db93e67b8b2ad6196d9e37

SHA1
ce499527cae2ea611057d5dc952132b0d948eba4

SHA256
349e780cca53f741459e1da002e177b536bf4eb7c69f5d3efaa6c4287bcfa985

SHA512
71950c00ace082834e8b13ccc869a5d13c1ee0fe83e170ea3714b0a4279bad2d560f2dd6c2f200bddd4a00b241ff6553db9f6c8156cda7b60f0c08629512bfd3

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

Filesize
89KB

MD5
7873269dd388d4ff3dbe9f020e121e89

SHA1
d50b0740bab0ebc4cf6b3cc4c586632f6dc9e13e

SHA256
bc12cbf509a1f5bff1dea9896aae44b9bc119115bf38349f6caabbbf99e0e919

SHA512
36fdd31209b3448dc32100f733c048b063521bade50a5dd8a3945b7acc5b504115036a6c37bf37ac99b31cf4f94a63b7040224bcf5d8b0c3d2bc93e4bb0fc818

Download Submit
memory/2788-11-0x0000000002660000-0x0000000005660000-memory.dmp

Filesize
48.0MB

Download
memory/2788-17-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2788-18-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2788-19-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2788-40-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2788-46-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2788-59-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2788-66-0x0000000002660000-0x0000000005660000-memory.dmp

Filesize
48.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads