Analysis
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max time kernel
31s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
01-03-2023 04:56
Static task
static1
Behavioral task
behavioral1
Sample
RootFinder_Ransomware.bin.exe
Resource
win7-20230220-en
windows7-x64
7 signatures
150 seconds
General
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Target
RootFinder_Ransomware.bin.exe
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Size
100KB
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MD5
a4af347d20fd13f9d07e53ccd7aa5d14
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SHA1
4d699af90fe02fd16b08316367493ac614e75c91
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SHA256
0a4d4889a853bc29486d58d8b1010a0b64fd6b6835e28bfda7019b7f1f46e64a
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SHA512
957a505e1928b8cbd5e1621701bdd08874bb6cc4a0ad42c0e3735dd3b418d39fcf40b0bbd59e3197d77fa457becee81be7d55328019b858fec2dfd3386a42777
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SSDEEP
3072:YtS8Pqxc/WOcLeaUUEnQKfh9NVgnf0N3XqY:YtS8yG+OcLtUUE1yiHq
Malware Config
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" RootFinder_Ransomware.bin.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" RootFinder_Ransomware.bin.exe -
Disables Task Manager via registry modification
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description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA RootFinder_Ransomware.bin.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" RootFinder_Ransomware.bin.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\Desktop\desktop.ini RootFinder_Ransomware.bin.exe File opened for modification C:\Users\Admin\Documents\desktop.ini RootFinder_Ransomware.bin.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1568 RootFinder_Ransomware.bin.exe -
System policy modification 1 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\FilterAdministratorToken = "1" RootFinder_Ransomware.bin.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" RootFinder_Ransomware.bin.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\RootFinder_Ransomware.bin.exe"C:\Users\Admin\AppData\Local\Temp\RootFinder_Ransomware.bin.exe"1⤵
- UAC bypass
- Disables RegEdit via registry modification
- Checks whether UAC is enabled
- Drops desktop.ini file(s)
- Suspicious use of AdjustPrivilegeToken
- System policy modification
PID:1568