Analysis
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max time kernel
148s -
max time network
146s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
10/10/2021, 11:51
Static task
static1
Behavioral task
behavioral1
Sample
3151f194fcfe3b210732d3f6bed59cbd.js
Resource
win7v20210408
Behavioral task
behavioral2
Sample
3151f194fcfe3b210732d3f6bed59cbd.js
Resource
win10-en-20210920
General
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Target
3151f194fcfe3b210732d3f6bed59cbd.js
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Size
1.1MB
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MD5
3151f194fcfe3b210732d3f6bed59cbd
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SHA1
84d181e892c2c51d29c70daa7f785aa4b9a256bd
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SHA256
878057fe16a4f4bcdf4e3cf5e28c5e5686da8f24ebb03ced117b34a3f76571aa
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SHA512
0264ab652876cf84616e713e9e7709679e16a43a9d4d8b2624dc0dfe417eb21925a12f07ef2beff8e712570dc9e5a3777aaf221267abe8e977dde7eb64ac7024
Malware Config
Extracted
wshrat
http://gar373.ddns.net:3030
Signatures
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Blocklisted process makes network request 27 IoCs
flow pid Process 9 1412 wscript.exe 11 1412 wscript.exe 16 1412 wscript.exe 17 1412 wscript.exe 22 1412 wscript.exe 23 1412 wscript.exe 30 1412 wscript.exe 33 1412 wscript.exe 34 1412 wscript.exe 38 1412 wscript.exe 40 1412 wscript.exe 41 1412 wscript.exe 43 1412 wscript.exe 44 1412 wscript.exe 45 1412 wscript.exe 46 1412 wscript.exe 47 1412 wscript.exe 48 1412 wscript.exe 49 1412 wscript.exe 50 1412 wscript.exe 51 1412 wscript.exe 52 1412 wscript.exe 53 1412 wscript.exe 54 1412 wscript.exe 55 1412 wscript.exe 56 1412 wscript.exe 58 1412 wscript.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3151f194fcfe3b210732d3f6bed59cbd.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3151f194fcfe3b210732d3f6bed59cbd.js wscript.exe -
Adds Run key to start application 2 TTPs 8 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3151f194fcfe3b210732d3f6bed59cbd = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\3151f194fcfe3b210732d3f6bed59cbd.js\"" wscript.exe 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\3151f194fcfe3b210732d3f6bed59cbd = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\3151f194fcfe3b210732d3f6bed59cbd.js\"" wscript.exe Key created \REGISTRY\MACHINE\software\microsoft\windows\currentversion\run wscript.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3151f194fcfe3b210732d3f6bed59cbd = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\3151f194fcfe3b210732d3f6bed59cbd.js\"" wscript.exe 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\3151f194fcfe3b210732d3f6bed59cbd = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\3151f194fcfe3b210732d3f6bed59cbd.js\"" wscript.exe Key created \REGISTRY\MACHINE\software\microsoft\windows\currentversion\run 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 8 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 26 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 11 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 13/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 17 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 13/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 22 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 13/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 45 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 13/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 46 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 13/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 49 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 13/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 51 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 13/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 55 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 13/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 56 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 13/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 16 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 13/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 33 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 13/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 34 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 13/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 38 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 13/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 40 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 13/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 47 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 13/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 50 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 13/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 52 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 13/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 54 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 13/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 23 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 13/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 30 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 13/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 44 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 13/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 53 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 13/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 41 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 13/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 43 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 13/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 48 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 13/10/2021|JavaScript-v3.4|NL:Netherlands HTTP User-Agent header 58 WSHRAT|A6E40E89|RSSLLXYN|Admin|Microsoft Windows 10 Enterprise|plus|nan-av|false - 13/10/2021|JavaScript-v3.4|NL:Netherlands -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3704 wrote to memory of 1412 3704 wscript.exe 70 PID 3704 wrote to memory of 1412 3704 wscript.exe 70
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\3151f194fcfe3b210732d3f6bed59cbd.js1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3704 -
C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\3151f194fcfe3b210732d3f6bed59cbd.js"2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1412
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