vjw0rm | 69fb35e904fe4c93486d3eafc2828feb26b19fa2fc41a0e45aceeff67f8e81ae

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 17:14

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General

Target

新命令__________.PDF.js
Size

207KB
MD5

9154158d95df39303de36b475a790529
SHA1

b79ad43d110887b9302bbfca092517a1fb0f43f3
SHA256

ce8e23a1309e4fbe54a48d36c5c68af97df72073acce4a930df3246a34a75f32
SHA512

de36f4d45c7b03f8cb70498bfd7a9285303814eb20a9a7f09a7855db6daacf817e4e6a0f63f6e63dd46b8bff7d4704155daa4fb2e9ca5a4902957dead3ee7a82
SSDEEP

6144:Fsz4hHiD3tMMqaMqKg+CJpjEwIjzHAOweb:FfimpXUJpa3r

Score

10^/10

vjw0rm execution persistence trojan worm

Malware Config

Signatures

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

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WOChiHyFPM.js	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WOChiHyFPM.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\WOChiHyFPM.js\""	WScript.exe

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
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 2380 wrote to memory of 3032	2380	wscript.exe	31
PID 2380 wrote to memory of 3032	2380	wscript.exe	31
PID 2380 wrote to memory of 3032	2380	wscript.exe	31
PID 2380 wrote to memory of 1644	2380	wscript.exe	32
PID 2380 wrote to memory of 1644	2380	wscript.exe	32
PID 2380 wrote to memory of 1644	2380	wscript.exe	32

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\新命令__________.PDF.js
1⤵
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\WOChiHyFPM.js"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  PID:3032
- C:\Program Files\Java\jre7\bin\javaw.exe
  "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\kiuexxppp.txt"
  2⤵
  PID:1644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

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\WOChiHyFPM.js

Filesize
10KB

MD5
5f1405a47e8cf0bc0188332a4a791761

SHA1
638fe4be43f13d79266be5ee35b7879fdeafc71a

SHA256
d9d12a49414db2909da558bed4013e0987fe61140f3c4e17501800ac32d422f7

SHA512
d2e722dea389123c24534bc661352a7bf42188b47428bb24f1507db4b68f0d47e49b3f95d8cab3f7d5470aa31f51fa72be5d63a4560e785d04860d2a5bd54313

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

Filesize
92KB

MD5
2e458a59025b390fbdf7d3717314b507

SHA1
d5a84f501bfa81682ebde5e31a68794140141785

SHA256
6b723bd260b53c68c716ef218c78718d3e99ab4d4238a4bd823fd0cd6ec8007b

SHA512
2b463bc4ef98264560abad47053549c463fc9ee098c97cd60d58c959ba67f4ddf2ca60856f6564802a9f056740fbedbb6bdc829388c136c13b334563465d1f22

Download Submit
memory/1644-9-0x0000000002560000-0x00000000027D0000-memory.dmp

Filesize
2.4MB

Download
memory/1644-17-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download
memory/1644-24-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download
memory/1644-30-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download
memory/1644-36-0x0000000002560000-0x00000000027D0000-memory.dmp

Filesize
2.4MB

Download
memory/1644-40-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download
memory/1644-44-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download
memory/1644-51-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download
memory/1644-54-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download
memory/1644-57-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download
memory/1644-62-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download
memory/1644-68-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads