vjw0rm | b57cfc1af523cd35c88bad88736b56631eaed2d0e695cd22abe2e3a4ba4b135c

Analysis

max time kernel
149s
max time network
145s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
30-12-2023 17:20

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General

Target

03240e51f616b0cb511a2dd0067a920c.js
Size

205KB
MD5

03240e51f616b0cb511a2dd0067a920c
SHA1

c7a40396ffac70068ff23137fd91226af60220dd
SHA256

b57cfc1af523cd35c88bad88736b56631eaed2d0e695cd22abe2e3a4ba4b135c
SHA512

619c8b4f3b02e47d6c2e78c6634c441699ff205b13dbff58d044ebdb0b94f3436dcd21cddbcfe0239a16e4d7d80b7ffd3bd7bd2edc4479f1f41d4fd2ad793016
SSDEEP

3072:IhDGvrklJG02a9x7UOOHOwGtu+Qpdjo5+tKs10s7Ke05DgHPA9d3Z6K6/0Pmb+o:5siaT7UO9wGETdw+tKs1Z7Kp4A9DgjZ

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\PpKSWiFIyO.js	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PpKSWiFIyO.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-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\PpKSWiFIyO.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 1924 wrote to memory of 2160	1924	wscript.exe	20
PID 1924 wrote to memory of 2160	1924	wscript.exe	20
PID 1924 wrote to memory of 2160	1924	wscript.exe	20
PID 1924 wrote to memory of 2300	1924	wscript.exe	19
PID 1924 wrote to memory of 2300	1924	wscript.exe	19
PID 1924 wrote to memory of 2300	1924	wscript.exe	19

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\03240e51f616b0cb511a2dd0067a920c.js
1⤵
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Program Files\Java\jre7\bin\javaw.exe
  "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\bdcpgwg.txt"
  2⤵
  PID:2300
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\PpKSWiFIyO.js"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  PID:2160

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\PpKSWiFIyO.js

Filesize
10KB

MD5
2d036490e7cd2a8d9f77931d75abcbcb

SHA1
912200764a8bdca02477d1ddd83d2158b0bd0667

SHA256
b25f69d7c5793496272d3952497a8e20742caa18258a43bba72a75dc91a1b65e

SHA512
3a699152f4196a32f21dde564517b322a9ed671b6f201fd21eac41e80e3d457349da62349141032a17c08a7187308660bb12ca1666d72f51684955bccaae657a

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

Filesize
92KB

MD5
2e458a59025b390fbdf7d3717314b507

SHA1
d5a84f501bfa81682ebde5e31a68794140141785

SHA256
6b723bd260b53c68c716ef218c78718d3e99ab4d4238a4bd823fd0cd6ec8007b

SHA512
2b463bc4ef98264560abad47053549c463fc9ee098c97cd60d58c959ba67f4ddf2ca60856f6564802a9f056740fbedbb6bdc829388c136c13b334563465d1f22

Download Submit
memory/2300-10-0x0000000002700000-0x0000000005700000-memory.dmp

Filesize
48.0MB

Download
memory/2300-17-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/2300-18-0x0000000002700000-0x0000000005700000-memory.dmp

Filesize
48.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads