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Analysis
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max time kernel
153s -
max time network
57s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
03/10/2022, 16:24
Static task
static1
Behavioral task
behavioral1
Sample
6fdfef4ca2b316e030da81880aed3ccc97878912573de9d57bed40f3820050ee.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
6fdfef4ca2b316e030da81880aed3ccc97878912573de9d57bed40f3820050ee.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
6fdfef4ca2b316e030da81880aed3ccc97878912573de9d57bed40f3820050ee.exe
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Size
304KB
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MD5
277bbb851a5d3de7e7984dec525546aa
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SHA1
e000b56409c1fe80e8d468f01971092ad154b568
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SHA256
6fdfef4ca2b316e030da81880aed3ccc97878912573de9d57bed40f3820050ee
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SHA512
b5c176f9c883d4358c6fcb7f3b7cda1644a67eb0a290c4b09f4aa430eebf76450c8b31c20f9a9acf68f16f73b31b7679022a2733d910f078ed8d35981dce18f3
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SSDEEP
3072:A8B9/WRVjFBbVJsnCRcq3xo8ozYH/LSsB4pAFNnYwo7A3HdYQCASCPepFq:A8BJWDfsnHIIz9AFNnjNrCAfPepF
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" 6fdfef4ca2b316e030da81880aed3ccc97878912573de9d57bed40f3820050ee.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" zuomeun.exe -
Executes dropped EXE 1 IoCs
pid Process 1756 zuomeun.exe -
Loads dropped DLL 2 IoCs
pid Process 2024 6fdfef4ca2b316e030da81880aed3ccc97878912573de9d57bed40f3820050ee.exe 2024 6fdfef4ca2b316e030da81880aed3ccc97878912573de9d57bed40f3820050ee.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 6fdfef4ca2b316e030da81880aed3ccc97878912573de9d57bed40f3820050ee.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ zuomeun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuomeun = "C:\\Users\\Admin\\zuomeun.exe /c" zuomeun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuomeun = "C:\\Users\\Admin\\zuomeun.exe /v" zuomeun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuomeun = "C:\\Users\\Admin\\zuomeun.exe /s" zuomeun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuomeun = "C:\\Users\\Admin\\zuomeun.exe /g" zuomeun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuomeun = "C:\\Users\\Admin\\zuomeun.exe /d" zuomeun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuomeun = "C:\\Users\\Admin\\zuomeun.exe /n" zuomeun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuomeun = "C:\\Users\\Admin\\zuomeun.exe /p" zuomeun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuomeun = "C:\\Users\\Admin\\zuomeun.exe /y" zuomeun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuomeun = "C:\\Users\\Admin\\zuomeun.exe /k" zuomeun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuomeun = "C:\\Users\\Admin\\zuomeun.exe /q" zuomeun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuomeun = "C:\\Users\\Admin\\zuomeun.exe /w" zuomeun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuomeun = "C:\\Users\\Admin\\zuomeun.exe /o" zuomeun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuomeun = "C:\\Users\\Admin\\zuomeun.exe /h" zuomeun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuomeun = "C:\\Users\\Admin\\zuomeun.exe /z" zuomeun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuomeun = "C:\\Users\\Admin\\zuomeun.exe /t" zuomeun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuomeun = "C:\\Users\\Admin\\zuomeun.exe /j" 6fdfef4ca2b316e030da81880aed3ccc97878912573de9d57bed40f3820050ee.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuomeun = "C:\\Users\\Admin\\zuomeun.exe /a" zuomeun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuomeun = "C:\\Users\\Admin\\zuomeun.exe /e" zuomeun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuomeun = "C:\\Users\\Admin\\zuomeun.exe /f" zuomeun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuomeun = "C:\\Users\\Admin\\zuomeun.exe /x" zuomeun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuomeun = "C:\\Users\\Admin\\zuomeun.exe /j" zuomeun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuomeun = "C:\\Users\\Admin\\zuomeun.exe /u" zuomeun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuomeun = "C:\\Users\\Admin\\zuomeun.exe /r" zuomeun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuomeun = "C:\\Users\\Admin\\zuomeun.exe /m" zuomeun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuomeun = "C:\\Users\\Admin\\zuomeun.exe /b" zuomeun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuomeun = "C:\\Users\\Admin\\zuomeun.exe /l" zuomeun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuomeun = "C:\\Users\\Admin\\zuomeun.exe /i" zuomeun.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 2024 6fdfef4ca2b316e030da81880aed3ccc97878912573de9d57bed40f3820050ee.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe 1756 zuomeun.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2024 6fdfef4ca2b316e030da81880aed3ccc97878912573de9d57bed40f3820050ee.exe 1756 zuomeun.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2024 wrote to memory of 1756 2024 6fdfef4ca2b316e030da81880aed3ccc97878912573de9d57bed40f3820050ee.exe 26 PID 2024 wrote to memory of 1756 2024 6fdfef4ca2b316e030da81880aed3ccc97878912573de9d57bed40f3820050ee.exe 26 PID 2024 wrote to memory of 1756 2024 6fdfef4ca2b316e030da81880aed3ccc97878912573de9d57bed40f3820050ee.exe 26 PID 2024 wrote to memory of 1756 2024 6fdfef4ca2b316e030da81880aed3ccc97878912573de9d57bed40f3820050ee.exe 26
Processes
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C:\Users\Admin\AppData\Local\Temp\6fdfef4ca2b316e030da81880aed3ccc97878912573de9d57bed40f3820050ee.exe"C:\Users\Admin\AppData\Local\Temp\6fdfef4ca2b316e030da81880aed3ccc97878912573de9d57bed40f3820050ee.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:2024 -
C:\Users\Admin\zuomeun.exe"C:\Users\Admin\zuomeun.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:1756
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
304KB
MD5277bbb851a5d3de7e7984dec525546aa
SHA1e000b56409c1fe80e8d468f01971092ad154b568
SHA2566fdfef4ca2b316e030da81880aed3ccc97878912573de9d57bed40f3820050ee
SHA512b5c176f9c883d4358c6fcb7f3b7cda1644a67eb0a290c4b09f4aa430eebf76450c8b31c20f9a9acf68f16f73b31b7679022a2733d910f078ed8d35981dce18f3
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Filesize
304KB
MD5277bbb851a5d3de7e7984dec525546aa
SHA1e000b56409c1fe80e8d468f01971092ad154b568
SHA2566fdfef4ca2b316e030da81880aed3ccc97878912573de9d57bed40f3820050ee
SHA512b5c176f9c883d4358c6fcb7f3b7cda1644a67eb0a290c4b09f4aa430eebf76450c8b31c20f9a9acf68f16f73b31b7679022a2733d910f078ed8d35981dce18f3
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Filesize
304KB
MD5277bbb851a5d3de7e7984dec525546aa
SHA1e000b56409c1fe80e8d468f01971092ad154b568
SHA2566fdfef4ca2b316e030da81880aed3ccc97878912573de9d57bed40f3820050ee
SHA512b5c176f9c883d4358c6fcb7f3b7cda1644a67eb0a290c4b09f4aa430eebf76450c8b31c20f9a9acf68f16f73b31b7679022a2733d910f078ed8d35981dce18f3
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Filesize
304KB
MD5277bbb851a5d3de7e7984dec525546aa
SHA1e000b56409c1fe80e8d468f01971092ad154b568
SHA2566fdfef4ca2b316e030da81880aed3ccc97878912573de9d57bed40f3820050ee
SHA512b5c176f9c883d4358c6fcb7f3b7cda1644a67eb0a290c4b09f4aa430eebf76450c8b31c20f9a9acf68f16f73b31b7679022a2733d910f078ed8d35981dce18f3