vjw0rm | 6915f06eb48cc9d71dbc136313c6a935b36844641f9b2ae1e85e08ccc74d8e73

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/01/2024, 02:00

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7371063acbfacc81ffdeaeea7e75eb99.js
Size

201KB
MD5

7371063acbfacc81ffdeaeea7e75eb99
SHA1

28ee63662467f1ab7c682eec227b66db7ccadeca
SHA256

6915f06eb48cc9d71dbc136313c6a935b36844641f9b2ae1e85e08ccc74d8e73
SHA512

8b3bebb2cd6f97a49f98e3072393ea6ad2f46e0f4ba4a25b1293c10b1fe75e192800d6b47c60b03680934517e35d2dc6c4786f0122785675e1cc2e247fa292dd
SSDEEP

3072:g4XSfd1uBfPamtsz6VVKDllWtfjKNan1a4Bbn8PUyBJAN:ofPK1fVaWhONi1J78PMN

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\PNIsXqzyQf.js	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PNIsXqzyQf.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-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\PNIsXqzyQf.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 2964 wrote to memory of 2692	2964	wscript.exe	28
PID 2964 wrote to memory of 2692	2964	wscript.exe	28
PID 2964 wrote to memory of 2692	2964	wscript.exe	28
PID 2964 wrote to memory of 2776	2964	wscript.exe	29
PID 2964 wrote to memory of 2776	2964	wscript.exe	29
PID 2964 wrote to memory of 2776	2964	wscript.exe	29

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\7371063acbfacc81ffdeaeea7e75eb99.js
1⤵
- Suspicious use of WriteProcessMemory
PID:2964
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\PNIsXqzyQf.js"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  PID:2692
- C:\Program Files\Java\jre7\bin\javaw.exe
  "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\swkitiig.txt"
  2⤵
  PID:2776

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

Loading Replay Monitor...

Downloads

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

Filesize
9KB

MD5
93451bfa41b44af1f45d80b9feb2a73d

SHA1
ea15542e8ebf859d751de6af1af3966d73a16f1a

SHA256
9ee8fb95e2771cf84659aa10cfa773a90ba5d58b577f489ec808d6fce7fbd6cb

SHA512
145be16dfce485c7c32077689c581e06f8bc1af9bc0f1e2fb8e02ddd7eafc11f5fa8a7a263e09bde4ee89d68bee4486cc8ccd939a15113b467ccadc42e4a1cbd

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

Filesize
92KB

MD5
06f61cd3d0cdf9257fcdac6483d4c1ba

SHA1
f4eec20fdbc68dbdd8bb5fd1dfecd918b099ef2f

SHA256
424ba40767618afade696d3714c1ba1960ff91e3bc1658fa510cd2332baf2a2f

SHA512
9aa7d19fb9999d0414d2399e14ccf43b66cbd6a1bf54be6538b6a0a9e9ac096bdc065a43e4d776ed5cd01a14562446fcd535979b0756781e132e13b27b575657

Download Submit
memory/2776-8-0x0000000002220000-0x0000000005220000-memory.dmp

Filesize
48.0MB

Download
memory/2776-17-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download
memory/2776-24-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download
memory/2776-32-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download
memory/2776-39-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download
memory/2776-42-0x0000000002220000-0x0000000005220000-memory.dmp

Filesize
48.0MB

Download
memory/2776-51-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download
memory/2776-53-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download
memory/2776-63-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads