vjw0rm | 1d61ac748d5d297ca8fa771d12a1c79626c6e2c217a8a349b4ade54c09ae589b

Analysis

max time kernel
172s
max time network
181s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
22-12-2023 13:16

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General

Target

9da6b45d17e4c0ef80df356e1a7e6bdf.js
Size

200KB
MD5

9da6b45d17e4c0ef80df356e1a7e6bdf
SHA1

5bf501a2ce339671a28d1ecea943c5bb817962b6
SHA256

1d61ac748d5d297ca8fa771d12a1c79626c6e2c217a8a349b4ade54c09ae589b
SHA512

f4249a1bc09eff66e058a736cbae688c6f7a56391f0fdaaca0056a94098442761e12022c10870a8a5cac99d6af51daab747244bb4dfbc33a89fef1f74f12a788
SSDEEP

3072:cXYHwujfPHfCjTutr4QMuHNjmvXSG7H+jJbE2bve+5OsF1S4PM:A+f/fCnKr4PcNjmviGEC2bb1H5M

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\otOJexNvvn.js	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\otOJexNvvn.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-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\otOJexNvvn.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 2888 wrote to memory of 2832	2888	wscript.exe	27
PID 2888 wrote to memory of 2832	2888	wscript.exe	27
PID 2888 wrote to memory of 2832	2888	wscript.exe	27
PID 2888 wrote to memory of 2848	2888	wscript.exe	28
PID 2888 wrote to memory of 2848	2888	wscript.exe	28
PID 2888 wrote to memory of 2848	2888	wscript.exe	28

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\9da6b45d17e4c0ef80df356e1a7e6bdf.js
1⤵
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\otOJexNvvn.js"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  PID:2832
- C:\Program Files\Java\jre7\bin\javaw.exe
  "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\dlugutrydr.txt"
  2⤵
  PID:2848

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\dlugutrydr.txt

Filesize
92KB

MD5
06f61cd3d0cdf9257fcdac6483d4c1ba

SHA1
f4eec20fdbc68dbdd8bb5fd1dfecd918b099ef2f

SHA256
424ba40767618afade696d3714c1ba1960ff91e3bc1658fa510cd2332baf2a2f

SHA512
9aa7d19fb9999d0414d2399e14ccf43b66cbd6a1bf54be6538b6a0a9e9ac096bdc065a43e4d776ed5cd01a14562446fcd535979b0756781e132e13b27b575657

Download Submit
C:\Users\Admin\AppData\Roaming\otOJexNvvn.js

Filesize
9KB

MD5
730e1246285921eac566caa6a0c9b663

SHA1
2e508ef96d92608971061ff76b520f141a049e78

SHA256
aba5bc2432ee098aa4a30e4310ee1a300db7bb28dd4220ebc47f17aed7a17413

SHA512
0524474a34a89b4eafb375567b82229f0551e5aedc5ba8b9475397d395370ec84499ff7bcd1dd0698e5ea7300a27560eaeec0824ebc3edc49267326ee843b281

Download Submit
memory/2848-15-0x0000000002200000-0x0000000005200000-memory.dmp

Filesize
48.0MB

Download
memory/2848-17-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/2848-18-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/2848-24-0x0000000002200000-0x0000000005200000-memory.dmp

Filesize
48.0MB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads