Analysis
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max time kernel
153s -
max time network
144s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
14/10/2021, 10:09
Static task
static1
Behavioral task
behavioral1
Sample
Scan00351.js
Resource
win7v20210408
Behavioral task
behavioral2
Sample
Scan00351.js
Resource
win10-en-20210920
General
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Target
Scan00351.js
-
Size
1.1MB
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MD5
4de228a23fa5bf52c82ec784001163ee
-
SHA1
027657531c6c03281fb87b8b026200b25c6cf87a
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SHA256
2945b78f1df308e1e0c184b47050eb5143c1daadd57ea8eb5eadc4730eaa2f2a
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SHA512
0cc24f29b44382869c17a04ffdce0ac243ca67468d92a149260b7bdfb126f3f1257925ba78fbfc7ebc9183a4f27cabe69560c66cdffcfc95bec7b03a5df41799
Malware Config
Extracted
wshrat
http://147.182.241.104:7121
Signatures
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Blocklisted process makes network request 27 IoCs
flow pid Process 7 2072 wscript.exe 11 2072 wscript.exe 12 2072 wscript.exe 17 2072 wscript.exe 22 2072 wscript.exe 23 2072 wscript.exe 28 2072 wscript.exe 35 2072 wscript.exe 36 2072 wscript.exe 37 2072 wscript.exe 38 2072 wscript.exe 39 2072 wscript.exe 42 2072 wscript.exe 43 2072 wscript.exe 44 2072 wscript.exe 45 2072 wscript.exe 46 2072 wscript.exe 47 2072 wscript.exe 48 2072 wscript.exe 49 2072 wscript.exe 50 2072 wscript.exe 51 2072 wscript.exe 52 2072 wscript.exe 53 2072 wscript.exe 54 2072 wscript.exe 55 2072 wscript.exe 56 2072 wscript.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Scan00351.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Scan00351.js wscript.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\software\microsoft\windows\currentversion\run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\Scan00351 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\Scan00351.js\"" wscript.exe Key created \REGISTRY\MACHINE\software\microsoft\windows\currentversion\run wscript.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Scan00351 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\Scan00351.js\"" wscript.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 10 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Script User-Agent 25 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 55 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 17/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 22 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 17/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 23 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 17/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 45 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 17/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 46 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 17/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 52 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 17/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 50 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 17/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 12 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 17/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 35 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 17/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 37 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 17/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 38 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 17/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 47 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 17/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 49 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 17/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 53 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 17/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 54 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 17/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 7 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 17 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 17/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 36 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 17/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 42 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 17/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 43 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 17/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 28 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 17/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 39 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 17/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 44 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 17/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 48 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 17/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 51 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 17/10/2021|JavaScript-v3.4|NL:Netherlands