Analysis
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max time kernel
150s -
max time network
51s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
05/12/2022, 23:53
Static task
static1
Behavioral task
behavioral1
Sample
9be9ccc168963e484ed3b6b68b1bbe62a2e2c12cb64278cd8a176a6071972674.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
9be9ccc168963e484ed3b6b68b1bbe62a2e2c12cb64278cd8a176a6071972674.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
9be9ccc168963e484ed3b6b68b1bbe62a2e2c12cb64278cd8a176a6071972674.exe
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Size
156KB
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MD5
54b9fe7fee7f464ccc14596d47eed14f
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SHA1
c268c97db9ca80dc4588e128ea249de2d5b01ede
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SHA256
9be9ccc168963e484ed3b6b68b1bbe62a2e2c12cb64278cd8a176a6071972674
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SHA512
63ac2f20bb8e826a842a3a44c4d40b641595516d279e8844134b799eb2bea6185c9a462f816e5f00885a699663677f61b504a498e5ab5a6af814cb87c2cfdbc6
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SSDEEP
1536:K6rF/+LPRsNLCNMSG5+SUdqeHAQWXZaNwRRczNoU1LbLkOV+:7rl+1aZLBRWhlLu
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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" buexo.exe -
Executes dropped EXE 1 IoCs
pid Process 112 buexo.exe -
Loads dropped DLL 2 IoCs
pid Process 1308 9be9ccc168963e484ed3b6b68b1bbe62a2e2c12cb64278cd8a176a6071972674.exe 1308 9be9ccc168963e484ed3b6b68b1bbe62a2e2c12cb64278cd8a176a6071972674.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\buexo = "C:\\Users\\Admin\\buexo.exe /Y" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /O" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /C" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /B" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /R" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /a" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /l" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /Q" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /K" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /u" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /G" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /g" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /w" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /m" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /F" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /c" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /L" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /W" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /I" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /v" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /k" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /h" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /V" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /f" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /T" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /t" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /A" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /Z" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /i" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /p" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /q" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /n" buexo.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /J" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /D" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /P" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /x" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /S" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /X" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /r" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /b" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /U" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /z" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /H" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /d" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /s" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /o" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /M" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /e" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /y" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /E" buexo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buexo = "C:\\Users\\Admin\\buexo.exe /j" buexo.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 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe 112 buexo.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1308 9be9ccc168963e484ed3b6b68b1bbe62a2e2c12cb64278cd8a176a6071972674.exe 112 buexo.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1308 wrote to memory of 112 1308 9be9ccc168963e484ed3b6b68b1bbe62a2e2c12cb64278cd8a176a6071972674.exe 27 PID 1308 wrote to memory of 112 1308 9be9ccc168963e484ed3b6b68b1bbe62a2e2c12cb64278cd8a176a6071972674.exe 27 PID 1308 wrote to memory of 112 1308 9be9ccc168963e484ed3b6b68b1bbe62a2e2c12cb64278cd8a176a6071972674.exe 27 PID 1308 wrote to memory of 112 1308 9be9ccc168963e484ed3b6b68b1bbe62a2e2c12cb64278cd8a176a6071972674.exe 27 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26 PID 112 wrote to memory of 1308 112 buexo.exe 26
Processes
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C:\Users\Admin\AppData\Local\Temp\9be9ccc168963e484ed3b6b68b1bbe62a2e2c12cb64278cd8a176a6071972674.exe"C:\Users\Admin\AppData\Local\Temp\9be9ccc168963e484ed3b6b68b1bbe62a2e2c12cb64278cd8a176a6071972674.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1308 -
C:\Users\Admin\buexo.exe"C:\Users\Admin\buexo.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
- Suspicious use of WriteProcessMemory
PID:112
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
156KB
MD517ff0677e9a4c8e25e1ea68505a14891
SHA1b50fd243a464939069220cd4ee444e8f869fbd5f
SHA256b94a4396ecd60737e0f68e5a84fd5bc46df38d89ed231ca90d13f6ed9aef0ca8
SHA512a4dc30fc60b0a702a42acb44a59233768fc16d04d46f568bdda450e82c0e13726326f4c2f9615b37540d9ad5a17629439688e8dc06b3c85b55dca97c39d13e8a
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Filesize
156KB
MD517ff0677e9a4c8e25e1ea68505a14891
SHA1b50fd243a464939069220cd4ee444e8f869fbd5f
SHA256b94a4396ecd60737e0f68e5a84fd5bc46df38d89ed231ca90d13f6ed9aef0ca8
SHA512a4dc30fc60b0a702a42acb44a59233768fc16d04d46f568bdda450e82c0e13726326f4c2f9615b37540d9ad5a17629439688e8dc06b3c85b55dca97c39d13e8a
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Filesize
156KB
MD517ff0677e9a4c8e25e1ea68505a14891
SHA1b50fd243a464939069220cd4ee444e8f869fbd5f
SHA256b94a4396ecd60737e0f68e5a84fd5bc46df38d89ed231ca90d13f6ed9aef0ca8
SHA512a4dc30fc60b0a702a42acb44a59233768fc16d04d46f568bdda450e82c0e13726326f4c2f9615b37540d9ad5a17629439688e8dc06b3c85b55dca97c39d13e8a
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Filesize
156KB
MD517ff0677e9a4c8e25e1ea68505a14891
SHA1b50fd243a464939069220cd4ee444e8f869fbd5f
SHA256b94a4396ecd60737e0f68e5a84fd5bc46df38d89ed231ca90d13f6ed9aef0ca8
SHA512a4dc30fc60b0a702a42acb44a59233768fc16d04d46f568bdda450e82c0e13726326f4c2f9615b37540d9ad5a17629439688e8dc06b3c85b55dca97c39d13e8a