Analysis
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max time kernel
147s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
12/12/2022, 17:00
Static task
static1
Behavioral task
behavioral1
Sample
doc00000024720000.js
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
doc00000024720000.js
Resource
win10v2004-20221111-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
doc00000024720000.js
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Size
196KB
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MD5
0a568e550259227e12d5fad3e44278d9
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SHA1
ea93668fdfada948e617a98f2a9c1e60cca34cea
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SHA256
660ade8ec5e8a4d96829bf974782baa25b76fe5626ae29a319ebb448b58a4a67
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SHA512
e3aa2c5dfe9aa56dfc122c4d6c523665edae5555a66ea1f966efb95022811e961c0881c30c02e9d0f4115a19908c2961e188b4a1df7efff88141842b99b6f609
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SSDEEP
3072:FIGmE69uz3ugounzuwdnnir6KjdbNelhkaJ:FIGmIto2zjdng6Kjj2J
Score
10/10
Malware Config
Extracted
Family
wshrat
C2
http://45.139.105.174:1604
Signatures
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Blocklisted process makes network request 31 IoCs
flow pid Process 7 1500 wscript.exe 8 1376 wscript.exe 9 1376 wscript.exe 10 1376 wscript.exe 12 1376 wscript.exe 14 1376 wscript.exe 15 1376 wscript.exe 19 1500 wscript.exe 20 1376 wscript.exe 21 1376 wscript.exe 22 1376 wscript.exe 24 1376 wscript.exe 26 1376 wscript.exe 27 1500 wscript.exe 29 1376 wscript.exe 31 1376 wscript.exe 32 1376 wscript.exe 33 1376 wscript.exe 35 1376 wscript.exe 37 1376 wscript.exe 38 1500 wscript.exe 40 1376 wscript.exe 42 1376 wscript.exe 43 1376 wscript.exe 44 1376 wscript.exe 47 1376 wscript.exe 48 1376 wscript.exe 49 1500 wscript.exe 51 1376 wscript.exe 53 1376 wscript.exe 54 1376 wscript.exe -
Drops startup file 4 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\doc00000024720000.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\doc00000024720000.js wscript.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FKYImiPkzF.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FKYImiPkzF.js wscript.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\software\microsoft\windows\currentversion\run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\doc00000024720000 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\doc00000024720000.js\"" wscript.exe Key created \REGISTRY\MACHINE\software\microsoft\windows\currentversion\run wscript.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\doc00000024720000 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\doc00000024720000.js\"" wscript.exe -
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 22 WSHRAT|D44DAEDB|ORXGKKZC|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 12/12/2022|JavaScript HTTP User-Agent header 29 WSHRAT|D44DAEDB|ORXGKKZC|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 12/12/2022|JavaScript HTTP User-Agent header 44 WSHRAT|D44DAEDB|ORXGKKZC|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 12/12/2022|JavaScript HTTP User-Agent header 54 WSHRAT|D44DAEDB|ORXGKKZC|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 12/12/2022|JavaScript HTTP User-Agent header 14 WSHRAT|D44DAEDB|ORXGKKZC|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 12/12/2022|JavaScript HTTP User-Agent header 40 WSHRAT|D44DAEDB|ORXGKKZC|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 12/12/2022|JavaScript HTTP User-Agent header 47 WSHRAT|D44DAEDB|ORXGKKZC|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 12/12/2022|JavaScript HTTP User-Agent header 48 WSHRAT|D44DAEDB|ORXGKKZC|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 12/12/2022|JavaScript HTTP User-Agent header 53 WSHRAT|D44DAEDB|ORXGKKZC|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 12/12/2022|JavaScript HTTP User-Agent header 32 WSHRAT|D44DAEDB|ORXGKKZC|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 12/12/2022|JavaScript HTTP User-Agent header 10 WSHRAT|D44DAEDB|ORXGKKZC|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 12/12/2022|JavaScript HTTP User-Agent header 15 WSHRAT|D44DAEDB|ORXGKKZC|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 12/12/2022|JavaScript HTTP User-Agent header 20 WSHRAT|D44DAEDB|ORXGKKZC|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 12/12/2022|JavaScript HTTP User-Agent header 21 WSHRAT|D44DAEDB|ORXGKKZC|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 12/12/2022|JavaScript HTTP User-Agent header 24 WSHRAT|D44DAEDB|ORXGKKZC|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 12/12/2022|JavaScript HTTP User-Agent header 26 WSHRAT|D44DAEDB|ORXGKKZC|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 12/12/2022|JavaScript HTTP User-Agent header 31 WSHRAT|D44DAEDB|ORXGKKZC|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 12/12/2022|JavaScript HTTP User-Agent header 37 WSHRAT|D44DAEDB|ORXGKKZC|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 12/12/2022|JavaScript HTTP User-Agent header 42 WSHRAT|D44DAEDB|ORXGKKZC|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 12/12/2022|JavaScript HTTP User-Agent header 51 WSHRAT|D44DAEDB|ORXGKKZC|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 12/12/2022|JavaScript HTTP User-Agent header 8 WSHRAT|D44DAEDB|ORXGKKZC|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 12/12/2022|JavaScript HTTP User-Agent header 9 WSHRAT|D44DAEDB|ORXGKKZC|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 12/12/2022|JavaScript HTTP User-Agent header 12 WSHRAT|D44DAEDB|ORXGKKZC|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 12/12/2022|JavaScript HTTP User-Agent header 33 WSHRAT|D44DAEDB|ORXGKKZC|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 12/12/2022|JavaScript HTTP User-Agent header 35 WSHRAT|D44DAEDB|ORXGKKZC|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 12/12/2022|JavaScript HTTP User-Agent header 43 WSHRAT|D44DAEDB|ORXGKKZC|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 12/12/2022|JavaScript -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1376 wrote to memory of 1500 1376 wscript.exe 27 PID 1376 wrote to memory of 1500 1376 wscript.exe 27 PID 1376 wrote to memory of 1500 1376 wscript.exe 27
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\doc00000024720000.js1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1376 -
C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\FKYImiPkzF.js"2⤵
- Blocklisted process makes network request
- Drops startup file
PID:1500
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
62KB
MD5384c972ff08ee2dabfff0c59daeff036
SHA1236f8d9b6a7f5aae53e5796d0525fdf21d773f64
SHA256ac8f80f836827fce59e2d5d20490a5b02b8e46263a5371b7f55f4f1fa741067c
SHA512dbbd68742cf7e8db9265195dbdacdf694ccd4a946241cb2be9b9510810206b71f7b4be50903b6f9b7854f5fa3a87a73e5aeb39fb1dbf12b8ce8cbaab01205c3b