Analysis
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max time kernel
153s -
max time network
71s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
03/10/2022, 02:38
Static task
static1
Behavioral task
behavioral1
Sample
f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961.exe
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Size
304KB
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MD5
454d43cd6b87b1506d3ce62357a5a4c0
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SHA1
0bc54edc739bd6350180a8fe6ac94a743a1eb401
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SHA256
f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961
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SHA512
2013cfdf8910863c09f57151ff05399c292398d18e05811fb44c52b10b147339394c30690cdb01012253572fa81c291f527a33b67caf0f7bcb578b9a63152953
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SSDEEP
3072:5aPGzZRFjFBbVJsnCRcC3xo8ozYH/LSsB4pAnNnfwo7A3JkYQCASCPepFq:5aPSZLfsnHQIz9AnNnoOrCAfPepF
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" wuisad.exe -
Executes dropped EXE 1 IoCs
pid Process 2020 wuisad.exe -
Loads dropped DLL 2 IoCs
pid Process 1764 f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961.exe 1764 f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuisad = "C:\\Users\\Admin\\wuisad.exe /c" wuisad.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuisad = "C:\\Users\\Admin\\wuisad.exe /l" f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuisad = "C:\\Users\\Admin\\wuisad.exe /f" wuisad.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuisad = "C:\\Users\\Admin\\wuisad.exe /t" wuisad.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuisad = "C:\\Users\\Admin\\wuisad.exe /g" wuisad.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuisad = "C:\\Users\\Admin\\wuisad.exe /n" wuisad.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuisad = "C:\\Users\\Admin\\wuisad.exe /u" wuisad.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuisad = "C:\\Users\\Admin\\wuisad.exe /o" wuisad.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuisad = "C:\\Users\\Admin\\wuisad.exe /i" wuisad.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuisad = "C:\\Users\\Admin\\wuisad.exe /p" wuisad.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuisad = "C:\\Users\\Admin\\wuisad.exe /k" wuisad.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuisad = "C:\\Users\\Admin\\wuisad.exe /y" wuisad.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuisad = "C:\\Users\\Admin\\wuisad.exe /a" wuisad.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuisad = "C:\\Users\\Admin\\wuisad.exe /w" wuisad.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuisad = "C:\\Users\\Admin\\wuisad.exe /r" wuisad.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuisad = "C:\\Users\\Admin\\wuisad.exe /s" wuisad.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ wuisad.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuisad = "C:\\Users\\Admin\\wuisad.exe /m" wuisad.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuisad = "C:\\Users\\Admin\\wuisad.exe /x" wuisad.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuisad = "C:\\Users\\Admin\\wuisad.exe /e" wuisad.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuisad = "C:\\Users\\Admin\\wuisad.exe /v" wuisad.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuisad = "C:\\Users\\Admin\\wuisad.exe /j" wuisad.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuisad = "C:\\Users\\Admin\\wuisad.exe /q" wuisad.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuisad = "C:\\Users\\Admin\\wuisad.exe /h" wuisad.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuisad = "C:\\Users\\Admin\\wuisad.exe /z" wuisad.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuisad = "C:\\Users\\Admin\\wuisad.exe /l" wuisad.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuisad = "C:\\Users\\Admin\\wuisad.exe /b" wuisad.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuisad = "C:\\Users\\Admin\\wuisad.exe /d" wuisad.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1764 f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe 2020 wuisad.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1764 f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961.exe 2020 wuisad.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1764 wrote to memory of 2020 1764 f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961.exe 26 PID 1764 wrote to memory of 2020 1764 f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961.exe 26 PID 1764 wrote to memory of 2020 1764 f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961.exe 26 PID 1764 wrote to memory of 2020 1764 f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961.exe 26
Processes
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C:\Users\Admin\AppData\Local\Temp\f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961.exe"C:\Users\Admin\AppData\Local\Temp\f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1764 -
C:\Users\Admin\wuisad.exe"C:\Users\Admin\wuisad.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2020
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
304KB
MD5454d43cd6b87b1506d3ce62357a5a4c0
SHA10bc54edc739bd6350180a8fe6ac94a743a1eb401
SHA256f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961
SHA5122013cfdf8910863c09f57151ff05399c292398d18e05811fb44c52b10b147339394c30690cdb01012253572fa81c291f527a33b67caf0f7bcb578b9a63152953
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Filesize
304KB
MD5454d43cd6b87b1506d3ce62357a5a4c0
SHA10bc54edc739bd6350180a8fe6ac94a743a1eb401
SHA256f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961
SHA5122013cfdf8910863c09f57151ff05399c292398d18e05811fb44c52b10b147339394c30690cdb01012253572fa81c291f527a33b67caf0f7bcb578b9a63152953
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Filesize
304KB
MD5454d43cd6b87b1506d3ce62357a5a4c0
SHA10bc54edc739bd6350180a8fe6ac94a743a1eb401
SHA256f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961
SHA5122013cfdf8910863c09f57151ff05399c292398d18e05811fb44c52b10b147339394c30690cdb01012253572fa81c291f527a33b67caf0f7bcb578b9a63152953
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Filesize
304KB
MD5454d43cd6b87b1506d3ce62357a5a4c0
SHA10bc54edc739bd6350180a8fe6ac94a743a1eb401
SHA256f0c5d6f3d432b16af28ee8f3d033cd11c7f15efa9b9f4e801f557e183c3eb961
SHA5122013cfdf8910863c09f57151ff05399c292398d18e05811fb44c52b10b147339394c30690cdb01012253572fa81c291f527a33b67caf0f7bcb578b9a63152953