Malware Analysis Report

2025-04-14 08:26

Sample ID 211108-jft2babdh8
Target Scan0101.js
SHA256 6e275579109009e0df24db2a88abf3fffe7a4ce35e4b99450cb2ba3b622a4eef
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

6e275579109009e0df24db2a88abf3fffe7a4ce35e4b99450cb2ba3b622a4eef

Threat Level: Known bad

The file Scan0101.js was found to be: Known bad.

Malicious Activity Summary

wshrat persistence trojan

WSHRAT

Blocklisted process makes network request

Drops startup file

Adds Run key to start application

Looks up external IP address via web service

Enumerates physical storage devices

Script User-Agent

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2021-11-08 07:37

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-11-08 07:37

Reported

2021-11-08 07:39

Platform

win7-en-20211104

Max time kernel

149s

Max time network

153s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\Scan0101.js

Signatures

WSHRAT

trojan wshrat

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Scan0101.js C:\Windows\system32\wscript.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Scan0101.js C:\Windows\system32\wscript.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Windows\CurrentVersion\Run\Scan0101 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\Scan0101.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\Scan0101 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\Scan0101.js\"" C:\Windows\system32\wscript.exe N/A
Key created \REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\software\microsoft\windows\currentversion\run C:\Windows\system32\wscript.exe N/A

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 WSHRAT|A0C01CF3|EDWYFHKN|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|A0C01CF3|EDWYFHKN|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|A0C01CF3|EDWYFHKN|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|A0C01CF3|EDWYFHKN|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|A0C01CF3|EDWYFHKN|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|A0C01CF3|EDWYFHKN|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|A0C01CF3|EDWYFHKN|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|A0C01CF3|EDWYFHKN|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|A0C01CF3|EDWYFHKN|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|A0C01CF3|EDWYFHKN|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|A0C01CF3|EDWYFHKN|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) N/A N/A
HTTP User-Agent header WSHRAT|A0C01CF3|EDWYFHKN|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|A0C01CF3|EDWYFHKN|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|A0C01CF3|EDWYFHKN|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|A0C01CF3|EDWYFHKN|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|A0C01CF3|EDWYFHKN|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|A0C01CF3|EDWYFHKN|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|A0C01CF3|EDWYFHKN|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|A0C01CF3|EDWYFHKN|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A

Processes

C:\Windows\system32\wscript.exe

wscript.exe C:\Users\Admin\AppData\Local\Temp\Scan0101.js

Network

Country Destination Domain Proto
US 8.8.8.8:53 astatech-cn.com udp
GB 78.110.166.82:80 astatech-cn.com tcp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp

Files

memory/696-55-0x000007FEFB761000-0x000007FEFB763000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2021-11-08 07:37

Reported

2021-11-08 07:39

Platform

win10-en-20211104

Max time kernel

146s

Max time network

149s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\Scan0101.js

Signatures

WSHRAT

trojan wshrat

Drops startup file

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Scan0101.js C:\Windows\system32\wscript.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Scan0101.js C:\Windows\system32\wscript.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Scan0101 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\Scan0101.js\"" C:\Windows\system32\wscript.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\software\microsoft\windows\currentversion\run C:\Windows\system32\wscript.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows\CurrentVersion\Run\Scan0101 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\Scan0101.js\"" C:\Windows\system32\wscript.exe N/A
Key created \REGISTRY\MACHINE\software\microsoft\windows\currentversion\run C:\Windows\system32\wscript.exe N/A

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 WSHRAT|085A75CC|LUCNJVHX|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|085A75CC|LUCNJVHX|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|085A75CC|LUCNJVHX|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) N/A N/A
HTTP User-Agent header WSHRAT|085A75CC|LUCNJVHX|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|085A75CC|LUCNJVHX|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|085A75CC|LUCNJVHX|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|085A75CC|LUCNJVHX|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|085A75CC|LUCNJVHX|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|085A75CC|LUCNJVHX|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|085A75CC|LUCNJVHX|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|085A75CC|LUCNJVHX|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|085A75CC|LUCNJVHX|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|085A75CC|LUCNJVHX|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|085A75CC|LUCNJVHX|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|085A75CC|LUCNJVHX|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|085A75CC|LUCNJVHX|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|085A75CC|LUCNJVHX|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|085A75CC|LUCNJVHX|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|085A75CC|LUCNJVHX|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A
HTTP User-Agent header WSHRAT|085A75CC|LUCNJVHX|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 8/11/2021|JavaScript-v3.4|NL:Netherlands N/A N/A

Processes

C:\Windows\system32\wscript.exe

wscript.exe C:\Users\Admin\AppData\Local\Temp\Scan0101.js

Network

Country Destination Domain Proto
IE 52.109.76.31:443 tcp
US 8.8.8.8:53 time.windows.com udp
NL 40.119.148.38:123 time.windows.com udp
US 8.8.8.8:53 astatech-cn.com udp
GB 78.110.166.82:80 astatech-cn.com tcp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 8.8.8.8:53 ts-crl.ws.symantec.com udp
US 72.21.91.29:80 ts-crl.ws.symantec.com tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp
US 140.228.29.190:7121 140.228.29.190 tcp

Files

N/A