Malware Analysis Report

2025-01-18 12:23

Sample ID 221122-sbzknsga77
Target 06aa113b75c9ddc108ff63d9037edade50e289f1130418a952f785653ef5255f.zip
SHA256 1f5c664535360790c1fa661ddce849e684115b90381ba3a30d682cbf156f04b5
Tags
vjw0rm wshrat persistence trojan worm
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

1f5c664535360790c1fa661ddce849e684115b90381ba3a30d682cbf156f04b5

Threat Level: Known bad

The file 06aa113b75c9ddc108ff63d9037edade50e289f1130418a952f785653ef5255f.zip was found to be: Known bad.

Malicious Activity Summary

vjw0rm wshrat persistence trojan worm

WSHRAT

Vjw0rm

Blocklisted process makes network request

Drops startup file

Checks computer location settings

Adds Run key to start application

Enumerates physical storage devices

Script User-Agent

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-11-22 14:57

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-11-22 14:57

Reported

2022-11-22 15:00

Platform

win10v2004-20221111-en

Max time kernel

147s

Max time network

152s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\06aa113b75c9ddc108ff63d9037edade50e289f1130418a952f785653ef5255f.js

Signatures

Vjw0rm

trojan worm vjw0rm

WSHRAT

trojan wshrat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation C:\Windows\system32\wscript.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation C:\Windows\System32\wscript.exe N/A

Drops startup file

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XGOyHlKzWo.js C:\Windows\System32\wscript.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\06aa113b75c9ddc108ff63d9037edade50e289f1130418a952f785653ef5255f.js C:\Windows\system32\wscript.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\06aa113b75c9ddc108ff63d9037edade50e289f1130418a952f785653ef5255f.js C:\Windows\System32\wscript.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XGOyHlKzWo.js C:\Windows\System32\wscript.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XGOyHlKzWo.js C:\Windows\System32\wscript.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\software\microsoft\windows\currentversion\run C:\Windows\system32\wscript.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\06aa113b75c9ddc108ff63d9037edade50e289f1130418a952f785653ef5255f = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\06aa113b75c9ddc108ff63d9037edade50e289f1130418a952f785653ef5255f.js\"" C:\Windows\system32\wscript.exe N/A
Key created \REGISTRY\MACHINE\software\microsoft\windows\currentversion\run C:\Windows\system32\wscript.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\06aa113b75c9ddc108ff63d9037edade50e289f1130418a952f785653ef5255f = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\06aa113b75c9ddc108ff63d9037edade50e289f1130418a952f785653ef5255f.js\"" C:\Windows\system32\wscript.exe N/A
Key created \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\software\microsoft\windows\currentversion\run C:\Windows\System32\wscript.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\06aa113b75c9ddc108ff63d9037edade50e289f1130418a952f785653ef5255f = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\06aa113b75c9ddc108ff63d9037edade50e289f1130418a952f785653ef5255f.js\"" C:\Windows\System32\wscript.exe N/A
Key created \REGISTRY\MACHINE\software\microsoft\windows\currentversion\run C:\Windows\System32\wscript.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\06aa113b75c9ddc108ff63d9037edade50e289f1130418a952f785653ef5255f = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\06aa113b75c9ddc108ff63d9037edade50e289f1130418a952f785653ef5255f.js\"" C:\Windows\System32\wscript.exe N/A

Enumerates physical storage devices

Script User-Agent

Description Indicator Process Target
HTTP User-Agent header WSHRAT|CEC20621|FXOYPAIQ|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 22/11/2022|JavaScript N/A N/A
HTTP User-Agent header WSHRAT|CEC20621|FXOYPAIQ|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 22/11/2022|JavaScript N/A N/A
HTTP User-Agent header WSHRAT|CEC20621|FXOYPAIQ|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 22/11/2022|JavaScript N/A N/A
HTTP User-Agent header WSHRAT|CEC20621|FXOYPAIQ|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 22/11/2022|JavaScript N/A N/A
HTTP User-Agent header WSHRAT|CEC20621|FXOYPAIQ|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 22/11/2022|JavaScript N/A N/A
HTTP User-Agent header WSHRAT|CEC20621|FXOYPAIQ|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 22/11/2022|JavaScript N/A N/A
HTTP User-Agent header WSHRAT|CEC20621|FXOYPAIQ|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 22/11/2022|JavaScript N/A N/A
HTTP User-Agent header WSHRAT|CEC20621|FXOYPAIQ|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 22/11/2022|JavaScript N/A N/A
HTTP User-Agent header WSHRAT|CEC20621|FXOYPAIQ|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 22/11/2022|JavaScript N/A N/A
HTTP User-Agent header WSHRAT|CEC20621|FXOYPAIQ|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 22/11/2022|JavaScript N/A N/A
HTTP User-Agent header WSHRAT|CEC20621|FXOYPAIQ|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 22/11/2022|JavaScript N/A N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3288 wrote to memory of 2000 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 3288 wrote to memory of 2000 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 3288 wrote to memory of 1808 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 3288 wrote to memory of 1808 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 1808 wrote to memory of 2360 N/A C:\Windows\System32\wscript.exe C:\Windows\System32\wscript.exe
PID 1808 wrote to memory of 2360 N/A C:\Windows\System32\wscript.exe C:\Windows\System32\wscript.exe

Processes

C:\Windows\system32\wscript.exe

wscript.exe C:\Users\Admin\AppData\Local\Temp\06aa113b75c9ddc108ff63d9037edade50e289f1130418a952f785653ef5255f.js

C:\Windows\System32\wscript.exe

"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\XGOyHlKzWo.js"

C:\Windows\System32\wscript.exe

"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\06aa113b75c9ddc108ff63d9037edade50e289f1130418a952f785653ef5255f.js"

C:\Windows\System32\wscript.exe

"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\XGOyHlKzWo.js"

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 javaautorun.duia.ro udp
N/A 41.190.14.57:5465 javaautorun.duia.ro tcp
N/A 41.190.14.57:5465 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 vipdata2.ddns.net udp
N/A 37.139.128.51:21234 vipdata2.ddns.net tcp
N/A 8.8.8.8:53 14.110.152.52.in-addr.arpa udp
N/A 37.139.128.51:21234 vipdata2.ddns.net tcp
N/A 72.21.91.29:80 tcp
N/A 72.21.91.29:80 tcp
N/A 8.8.8.8:53 0.e.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.4.0.c.0.0.3.0.1.3.0.6.2.ip6.arpa udp
N/A 37.139.128.51:21234 vipdata2.ddns.net tcp
N/A 41.190.14.57:5465 javaautorun.duia.ro tcp
N/A 41.190.14.57:5465 javaautorun.duia.ro tcp
N/A 37.139.128.51:21234 vipdata2.ddns.net tcp
N/A 37.139.128.51:21234 vipdata2.ddns.net tcp
N/A 37.139.128.51:21234 vipdata2.ddns.net tcp
N/A 41.190.14.57:5465 javaautorun.duia.ro tcp
N/A 41.190.14.57:5465 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 14.110.152.52.in-addr.arpa udp
N/A 37.139.128.51:21234 vipdata2.ddns.net tcp
N/A 37.139.128.51:21234 vipdata2.ddns.net tcp
N/A 41.190.14.57:5465 javaautorun.duia.ro tcp
N/A 41.190.14.57:5465 javaautorun.duia.ro tcp
N/A 37.139.128.51:21234 vipdata2.ddns.net tcp
N/A 41.190.14.57:5465 javaautorun.duia.ro tcp
N/A 41.190.14.57:5465 javaautorun.duia.ro tcp
N/A 37.139.128.51:21234 vipdata2.ddns.net tcp
N/A 37.139.128.51:21234 vipdata2.ddns.net tcp
N/A 37.139.128.51:21234 vipdata2.ddns.net tcp
N/A 37.139.128.51:21234 vipdata2.ddns.net tcp
N/A 37.139.128.51:21234 vipdata2.ddns.net tcp
N/A 41.190.14.57:5465 javaautorun.duia.ro tcp
N/A 41.190.14.57:5465 javaautorun.duia.ro tcp
N/A 37.139.128.51:21234 vipdata2.ddns.net tcp

Files

memory/2000-132-0x0000000000000000-mapping.dmp

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

MD5 3357a6860cf2f3d7ca62a5804d304554
SHA1 06a5196afb8a68a1864c2667a1e89e7cb8f2d3f1
SHA256 dccd55cdcffd3a7812cab936557605e51f6391a27aef1d8ec8f32e0f700db699
SHA512 6644d071542bc0597c2d82e3d57ba0f316aaefafa6619ffe3ee8f9a1c709907645e31a8f5a1e6b9cee5a7deeacbeecb0c2b76c1d89a51e79032bfb8e64abc56e

memory/1808-134-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\06aa113b75c9ddc108ff63d9037edade50e289f1130418a952f785653ef5255f.js

MD5 cd2d5a502d440723de4924354e1b8641
SHA1 de0648c4f80577e5721e21c840790f1e9aec797c
SHA256 06aa113b75c9ddc108ff63d9037edade50e289f1130418a952f785653ef5255f
SHA512 728fcb366be08fde12b91f77667871b9770ebb5fb0450611f401c852d7bfbe9fa5e3a3a57c7c756e5d375033c49be84ca42fc2e6dd4d624acf230515ecf5db71

memory/2360-136-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\06aa113b75c9ddc108ff63d9037edade50e289f1130418a952f785653ef5255f.js

MD5 cd2d5a502d440723de4924354e1b8641
SHA1 de0648c4f80577e5721e21c840790f1e9aec797c
SHA256 06aa113b75c9ddc108ff63d9037edade50e289f1130418a952f785653ef5255f
SHA512 728fcb366be08fde12b91f77667871b9770ebb5fb0450611f401c852d7bfbe9fa5e3a3a57c7c756e5d375033c49be84ca42fc2e6dd4d624acf230515ecf5db71

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

MD5 3357a6860cf2f3d7ca62a5804d304554
SHA1 06a5196afb8a68a1864c2667a1e89e7cb8f2d3f1
SHA256 dccd55cdcffd3a7812cab936557605e51f6391a27aef1d8ec8f32e0f700db699
SHA512 6644d071542bc0597c2d82e3d57ba0f316aaefafa6619ffe3ee8f9a1c709907645e31a8f5a1e6b9cee5a7deeacbeecb0c2b76c1d89a51e79032bfb8e64abc56e

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XGOyHlKzWo.js

MD5 3357a6860cf2f3d7ca62a5804d304554
SHA1 06a5196afb8a68a1864c2667a1e89e7cb8f2d3f1
SHA256 dccd55cdcffd3a7812cab936557605e51f6391a27aef1d8ec8f32e0f700db699
SHA512 6644d071542bc0597c2d82e3d57ba0f316aaefafa6619ffe3ee8f9a1c709907645e31a8f5a1e6b9cee5a7deeacbeecb0c2b76c1d89a51e79032bfb8e64abc56e