vjw0rm | 3f011a10f57445e62d0cf9c5add509215b39e09a742cae2d4707a07a48a71298

Analysis

max time kernel
25s
max time network
137s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
29-01-2024 20:40

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General

Target

80d07fb695cf98f441859d78c9a69c88.jar
Size

148KB
MD5

80d07fb695cf98f441859d78c9a69c88
SHA1

6504e408f13b2f70ee3d0d891cf0fa532329a032
SHA256

3f011a10f57445e62d0cf9c5add509215b39e09a742cae2d4707a07a48a71298
SHA512

a2df2067c998a194b5c518a8a15486b8f45c4a9b98291a82280de98eafa79527a28472fe419f1ae6eec5ec90076ea3d7e6b42de87c9ee1390c10398314c0a59b
SSDEEP

3072:k1fgGK11400Jn4GkPwAdarAH1sfjy0p02cdqBYJOr595/u/QMchyLsVeF873h9+G:rGK7400JpAdayOfjpTckBOY98/wcstRp

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Signatures

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm

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\\dCXvAMFTAC.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 9 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 800	2924	java.exe	29
PID 2924 wrote to memory of 800	2924	java.exe	29
PID 2924 wrote to memory of 800	2924	java.exe	29
PID 800 wrote to memory of 2576	800	wscript.exe	30
PID 800 wrote to memory of 2576	800	wscript.exe	30
PID 800 wrote to memory of 2576	800	wscript.exe	30
PID 800 wrote to memory of 2428	800	wscript.exe	31
PID 800 wrote to memory of 2428	800	wscript.exe	31
PID 800 wrote to memory of 2428	800	wscript.exe	31

C:\Windows\system32\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\80d07fb695cf98f441859d78c9a69c88.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:2924
- C:\Windows\system32\wscript.exe
  wscript C:\Users\Admin\duexbrhexl.js
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:800
- - C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\dCXvAMFTAC.js"
    3⤵
    - Adds Run key to start application
    PID:2576
- - C:\Program Files\Java\jre7\bin\javaw.exe
    "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\sddrtmx.txt"
    3⤵
    PID:2428

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\dCXvAMFTAC.js

Filesize
10KB

MD5
bc151eedb995b062c850ec907d92c2e0

SHA1
2500517c7912737a59f3946fabbb506c6f294682

SHA256
59c024a2c7a05e9ec38e3658822a498de263e72535fa602bc16e05d77dc3cec0

SHA512
a6dece2d1f59469a0f1a474ac310a98a511571600158179151a9b0bdb583081b99f46c72e9644250a7864879d7bb67cd9843154a2fa3b7654a5c44420eccee49

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

Filesize
107KB

MD5
d1abdb24c44f1ec93c4800f3128cf01f

SHA1
765a23589063a01d8c3e0b4e5615ac5d0ac475a6

SHA256
15ddd12f95653df0799fc8420b8d5d73361d3fd9a97237da094f4440ba108580

SHA512
659310fb4e2750cbb87ead008ffda551c6ce3296690c8747231b21ce8543961cecfbefb2c1cb9ba41f6fe87c60cd4f312549b1eab6039337514e2c18b529887f

Download Submit
C:\Users\Admin\duexbrhexl.js

Filesize
231KB

MD5
553975254beafdaab9f69011980b9569

SHA1
b549e749a1991bf12145a20c1f968c07a1645822

SHA256
d5fd83a507b0f9384bc408819389cd9e23c89b55a0edb6857673fba8113e2159

SHA512
ffebe27b3a746439698958852c8e1714813c54744fecad790877583347d54413b3adc60347dbb084a6ea52c9d3902333e688cc0b8e556eb8c545d08543f48112

Download Submit
memory/2428-29-0x0000000002460000-0x0000000005460000-memory.dmp

Filesize
48.0MB

Download
memory/2428-30-0x0000000001D60000-0x0000000001D61000-memory.dmp

Filesize
4KB

Download
memory/2428-32-0x0000000002460000-0x0000000005460000-memory.dmp

Filesize
48.0MB

Download
memory/2924-5-0x00000000025A0000-0x00000000055A0000-memory.dmp

Filesize
48.0MB

Download
memory/2924-12-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads