Analysis
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max time kernel
150s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
02/10/2022, 07:38
Static task
static1
Behavioral task
behavioral1
Sample
3ffb87b6ae6b4b442e5e246e74c07d8dbabd6bfca01ee5bed99f6229422cfbfd.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
3ffb87b6ae6b4b442e5e246e74c07d8dbabd6bfca01ee5bed99f6229422cfbfd.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
3ffb87b6ae6b4b442e5e246e74c07d8dbabd6bfca01ee5bed99f6229422cfbfd.exe
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Size
176KB
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MD5
3b24297b03fa71c7f1639eb5bc252455
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SHA1
31ecc8f8fac8ac9df930070cb3a04a7bf33b5d18
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SHA256
3ffb87b6ae6b4b442e5e246e74c07d8dbabd6bfca01ee5bed99f6229422cfbfd
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SHA512
8a55073736aa37833143b87a7dda969789affc3c92dbadc0be46a4a31d792c9f1e3f00fa7bc1b7d518a14337db81517efc6a830a10897122997139c2112afbe9
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SSDEEP
3072:zwh8C/nROzg7iiwJvXZETcbLn67kLpyRurohZbsn4KhWNUzMzGV5/bBD3yy7ulE:sh7YU7iiwJvXZETcbLn6YLProhZbsn4F
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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 3ffb87b6ae6b4b442e5e246e74c07d8dbabd6bfca01ee5bed99f6229422cfbfd.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" zzxoef.exe -
Executes dropped EXE 1 IoCs
pid Process 900 zzxoef.exe -
Loads dropped DLL 2 IoCs
pid Process 1324 3ffb87b6ae6b4b442e5e246e74c07d8dbabd6bfca01ee5bed99f6229422cfbfd.exe 1324 3ffb87b6ae6b4b442e5e246e74c07d8dbabd6bfca01ee5bed99f6229422cfbfd.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /M" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /t" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /s" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /k" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /c" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /a" zzxoef.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /j" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /y" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /x" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /L" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /S" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /r" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /Y" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /h" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /p" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /e" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /F" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /f" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /C" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /q" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /Q" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /Z" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /B" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /U" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /K" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /b" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /v" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /E" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /g" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /z" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /l" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /w" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /q" 3ffb87b6ae6b4b442e5e246e74c07d8dbabd6bfca01ee5bed99f6229422cfbfd.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /i" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /R" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /N" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /O" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /G" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /V" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /A" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /D" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /m" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /H" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /u" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /W" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /I" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /n" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /d" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /X" zzxoef.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzxoef = "C:\\Users\\Admin\\zzxoef.exe /T" zzxoef.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 3ffb87b6ae6b4b442e5e246e74c07d8dbabd6bfca01ee5bed99f6229422cfbfd.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 1324 3ffb87b6ae6b4b442e5e246e74c07d8dbabd6bfca01ee5bed99f6229422cfbfd.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe 900 zzxoef.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1324 3ffb87b6ae6b4b442e5e246e74c07d8dbabd6bfca01ee5bed99f6229422cfbfd.exe 900 zzxoef.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1324 wrote to memory of 900 1324 3ffb87b6ae6b4b442e5e246e74c07d8dbabd6bfca01ee5bed99f6229422cfbfd.exe 27 PID 1324 wrote to memory of 900 1324 3ffb87b6ae6b4b442e5e246e74c07d8dbabd6bfca01ee5bed99f6229422cfbfd.exe 27 PID 1324 wrote to memory of 900 1324 3ffb87b6ae6b4b442e5e246e74c07d8dbabd6bfca01ee5bed99f6229422cfbfd.exe 27 PID 1324 wrote to memory of 900 1324 3ffb87b6ae6b4b442e5e246e74c07d8dbabd6bfca01ee5bed99f6229422cfbfd.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\3ffb87b6ae6b4b442e5e246e74c07d8dbabd6bfca01ee5bed99f6229422cfbfd.exe"C:\Users\Admin\AppData\Local\Temp\3ffb87b6ae6b4b442e5e246e74c07d8dbabd6bfca01ee5bed99f6229422cfbfd.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:1324 -
C:\Users\Admin\zzxoef.exe"C:\Users\Admin\zzxoef.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:900
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
176KB
MD557c24c54d7a6b553430c1277b86fea8c
SHA1e3b0656065a108c824c4ba8616635924c850a4d7
SHA2561bf5075ead4e36394f69f6308ef096973bcb718ce7b87decb5dd570a5ad62aaa
SHA512547fed99943d2ee1469630fab411b47c3ec6afd2697c92f5aece99569f9de77bac5addeecffea8f594afc032254d81fc2f0a0baa6282967dfc456c9708a39b33
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Filesize
176KB
MD557c24c54d7a6b553430c1277b86fea8c
SHA1e3b0656065a108c824c4ba8616635924c850a4d7
SHA2561bf5075ead4e36394f69f6308ef096973bcb718ce7b87decb5dd570a5ad62aaa
SHA512547fed99943d2ee1469630fab411b47c3ec6afd2697c92f5aece99569f9de77bac5addeecffea8f594afc032254d81fc2f0a0baa6282967dfc456c9708a39b33
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Filesize
176KB
MD557c24c54d7a6b553430c1277b86fea8c
SHA1e3b0656065a108c824c4ba8616635924c850a4d7
SHA2561bf5075ead4e36394f69f6308ef096973bcb718ce7b87decb5dd570a5ad62aaa
SHA512547fed99943d2ee1469630fab411b47c3ec6afd2697c92f5aece99569f9de77bac5addeecffea8f594afc032254d81fc2f0a0baa6282967dfc456c9708a39b33
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Filesize
176KB
MD557c24c54d7a6b553430c1277b86fea8c
SHA1e3b0656065a108c824c4ba8616635924c850a4d7
SHA2561bf5075ead4e36394f69f6308ef096973bcb718ce7b87decb5dd570a5ad62aaa
SHA512547fed99943d2ee1469630fab411b47c3ec6afd2697c92f5aece99569f9de77bac5addeecffea8f594afc032254d81fc2f0a0baa6282967dfc456c9708a39b33