vjw0rm | 145f869eddd77064bf0238142318242b67d4b8f0d731595a2c85560696486ea6

Analysis

max time kernel
173s
max time network
179s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
21-12-2023 22:40

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General

Target

17a841e42f40423054ffebc9b5e61103.js
Size

218KB
MD5

17a841e42f40423054ffebc9b5e61103
SHA1

8c51a8dcd3580b80ceb7b9d90d19853c77bcb3eb
SHA256

145f869eddd77064bf0238142318242b67d4b8f0d731595a2c85560696486ea6
SHA512

4a80a7b1905734e961a1d9e0210f77be62ca6f5002f2a7d5a2f755b4c23eb693ccea593a910bcb6c723f02e3f1f4c83dda07e8a710131b79fd2e41a558ecdc66
SSDEEP

3072:wYrEQw480xR5JClJsw4Kd9CPSqSgPCamwYBOz++ucpqH5PSfL2a5YgjTZctPUIw5:qQq0P5SGwrG6qBnpucpqZPoP5YKZTV

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\huhTRxnPDW.js	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\huhTRxnPDW.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-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\huhTRxnPDW.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 2692 wrote to memory of 2568	2692	wscript.exe	27
PID 2692 wrote to memory of 2568	2692	wscript.exe	27
PID 2692 wrote to memory of 2568	2692	wscript.exe	27
PID 2692 wrote to memory of 2788	2692	wscript.exe	28
PID 2692 wrote to memory of 2788	2692	wscript.exe	28
PID 2692 wrote to memory of 2788	2692	wscript.exe	28

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\17a841e42f40423054ffebc9b5e61103.js
1⤵
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\huhTRxnPDW.js"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  PID:2568
- C:\Program Files\Java\jre7\bin\javaw.exe
  "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\uueqjczbb.txt"
  2⤵
  PID:2788

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\huhTRxnPDW.js

Filesize
9KB

MD5
751a1e074de98bcbbf4bfc91cc6dcf7e

SHA1
d225c87ba8d6e5d4ce0186b978801221c762e5e4

SHA256
4d1c15c3b7a5f3b6d40947e82cb9f8f42235274ccf31b6cb3ae635b0fc2b7605

SHA512
b55d3017d3386733c255652a682287082bb05508324db33b93dddaec7bed1c55e0488d9825c292c9a503f7c80e497d04ec1bc2233fa14d15692dfaa151bf54f5

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

Filesize
102KB

MD5
d30db43fa4de3d1c86d88199fd218672

SHA1
f87e903271b69f5dc3dc5b1da84dca781a838247

SHA256
e3c140f5c4fa10ef365115cfa71f73b3a503313cf94068365472bb431e91e7e1

SHA512
ba7a5fb9a375a5e1edaf9821d3de2d466a2649cfc4a690170c0c295b7b98fdad9577427a45f6938a7c4ecd827e7554e70175a36f4dfbeb2f7d25f8d22de707ca

Download Submit
memory/2788-10-0x0000000001FA0000-0x0000000004FA0000-memory.dmp

Filesize
48.0MB

Download
memory/2788-17-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download
memory/2788-18-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download
memory/2788-19-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download
memory/2788-41-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download
memory/2788-48-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download
memory/2788-66-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download
memory/2788-71-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download
memory/2788-77-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download
memory/2788-84-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download
memory/2788-114-0x0000000001FA0000-0x0000000004FA0000-memory.dmp

Filesize
48.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads