Malware Analysis Report

2025-04-14 08:28

Sample ID 210920-m17ppadgc5
Target Overdue Payment.js
SHA256 7790518717f1e1c674361b4b26955a522541d6f56b73ad27bae7ec9f078c4ce3
Tags
wshrat persistence trojan
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

7790518717f1e1c674361b4b26955a522541d6f56b73ad27bae7ec9f078c4ce3

Threat Level: Known bad

The file Overdue Payment.js was found to be: Known bad.

Malicious Activity Summary

wshrat persistence trojan

WSHRAT Payload

WSHRAT

Wshrat family

Blocklisted process makes network request

Drops startup file

Adds Run key to start application

Legitimate hosting services abused for malware hosting/C2

Looks up external IP address via web service

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Script User-Agent

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2021-09-20 10:56

Signatures

WSHRAT Payload

Description Indicator Process Target
N/A N/A N/A N/A

Wshrat family

wshrat

Analysis: behavioral1

Detonation Overview

Submitted

2021-09-20 10:56

Reported

2021-09-20 10:59

Platform

win7v20210408

Max time kernel

152s

Max time network

154s

Command Line

wscript.exe "C:\Users\Admin\AppData\Local\Temp\Overdue Payment.js"

Signatures

WSHRAT

trojan wshrat

WSHRAT Payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Drops startup file

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

Adds Run key to start application

persistence
Description Indicator Process Target
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\Overdue Payment = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Overdue Payment.js\"" C:\Windows\system32\wscript.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\software\microsoft\windows\currentversion\run C:\Windows\System32\wscript.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\Overdue Payment = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Overdue Payment.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\Overdue Payment = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Overdue Payment.js\"" C:\Windows\System32\wscript.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\software\microsoft\windows\currentversion\run C:\Windows\system32\wscript.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\Overdue Payment = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Overdue Payment.js\"" C:\Windows\system32\wscript.exe N/A

Legitimate hosting services abused for malware hosting/C2

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Enumerates physical storage devices

Script User-Agent

Description Indicator Process Target
HTTP User-Agent header Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) N/A N/A
HTTP User-Agent header Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) N/A N/A
HTTP User-Agent header Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) N/A N/A
HTTP User-Agent header Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) N/A N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1944 wrote to memory of 1488 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 1944 wrote to memory of 1488 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 1944 wrote to memory of 1488 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\Overdue Payment.js"

C:\Windows\System32\wscript.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 pastebin.com udp
US 104.23.99.190:80 pastebin.com tcp
US 104.23.99.190:443 pastebin.com tcp
US 104.23.99.190:80 pastebin.com tcp
US 104.23.99.190:443 pastebin.com tcp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 whs45.duckdns.org udp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp

Files

memory/1488-60-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Overdue Payment.js

MD5 5745363d82b1904ef54b914325d9b69f
SHA1 5559ccd311497703b8092a51f6cd9301238ad401
SHA256 7790518717f1e1c674361b4b26955a522541d6f56b73ad27bae7ec9f078c4ce3
SHA512 389bc5ac5e8c816610c9bb089694a66ed9840ef4383248f91e84136f98811477c936ac6b503768a2a6ce0047981b9a10b304bb4fd777ec9ce7c4207963d101ec

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

MD5 5745363d82b1904ef54b914325d9b69f
SHA1 5559ccd311497703b8092a51f6cd9301238ad401
SHA256 7790518717f1e1c674361b4b26955a522541d6f56b73ad27bae7ec9f078c4ce3
SHA512 389bc5ac5e8c816610c9bb089694a66ed9840ef4383248f91e84136f98811477c936ac6b503768a2a6ce0047981b9a10b304bb4fd777ec9ce7c4207963d101ec

Analysis: behavioral2

Detonation Overview

Submitted

2021-09-20 10:56

Reported

2021-09-20 10:59

Platform

win10-en

Max time kernel

148s

Max time network

150s

Command Line

wscript.exe "C:\Users\Admin\AppData\Local\Temp\Overdue Payment.js"

Signatures

WSHRAT

trojan wshrat

WSHRAT Payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Drops startup file

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

Adds Run key to start application

persistence
Description Indicator Process Target
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\Overdue Payment = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Overdue Payment.js\"" C:\Windows\System32\wscript.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2559286294-2439613352-4032193287-1000\software\microsoft\windows\currentversion\run C:\Windows\system32\wscript.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2559286294-2439613352-4032193287-1000\Software\Microsoft\Windows\CurrentVersion\Run\Overdue Payment = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Overdue Payment.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\Overdue Payment = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Overdue Payment.js\"" C:\Windows\system32\wscript.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2559286294-2439613352-4032193287-1000\software\microsoft\windows\currentversion\run C:\Windows\System32\wscript.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2559286294-2439613352-4032193287-1000\Software\Microsoft\Windows\CurrentVersion\Run\Overdue Payment = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Overdue Payment.js\"" C:\Windows\System32\wscript.exe N/A

Legitimate hosting services abused for malware hosting/C2

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Enumerates physical storage devices

Script User-Agent

Description Indicator Process Target
HTTP User-Agent header Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) N/A N/A
HTTP User-Agent header Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) N/A N/A
HTTP User-Agent header Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) N/A N/A
HTTP User-Agent header Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) N/A N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4008 wrote to memory of 3944 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 4008 wrote to memory of 3944 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\Overdue Payment.js"

C:\Windows\System32\wscript.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 pastebin.com udp
US 104.23.98.190:80 pastebin.com tcp
US 104.23.98.190:443 pastebin.com tcp
US 104.23.98.190:80 pastebin.com tcp
US 104.23.98.190:443 pastebin.com tcp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 whs45.duckdns.org udp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp
PL 193.56.29.193:8763 whs45.duckdns.org tcp

Files

memory/3944-115-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Overdue Payment.js

MD5 5745363d82b1904ef54b914325d9b69f
SHA1 5559ccd311497703b8092a51f6cd9301238ad401
SHA256 7790518717f1e1c674361b4b26955a522541d6f56b73ad27bae7ec9f078c4ce3
SHA512 389bc5ac5e8c816610c9bb089694a66ed9840ef4383248f91e84136f98811477c936ac6b503768a2a6ce0047981b9a10b304bb4fd777ec9ce7c4207963d101ec

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

MD5 5745363d82b1904ef54b914325d9b69f
SHA1 5559ccd311497703b8092a51f6cd9301238ad401
SHA256 7790518717f1e1c674361b4b26955a522541d6f56b73ad27bae7ec9f078c4ce3
SHA512 389bc5ac5e8c816610c9bb089694a66ed9840ef4383248f91e84136f98811477c936ac6b503768a2a6ce0047981b9a10b304bb4fd777ec9ce7c4207963d101ec