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Analysis
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max time kernel
151s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
07/12/2022, 03:05
Static task
static1
Behavioral task
behavioral1
Sample
57c1bc408eae92e7976efde417c5542dc98f460a2316f842c6e8c6400e5707b1.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
57c1bc408eae92e7976efde417c5542dc98f460a2316f842c6e8c6400e5707b1.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
57c1bc408eae92e7976efde417c5542dc98f460a2316f842c6e8c6400e5707b1.exe
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Size
156KB
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MD5
27c3ccf7250a2c6aa90505b38615b5a0
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SHA1
9d872a1688a15fc5a94ef65cc2448678af0fbf21
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SHA256
57c1bc408eae92e7976efde417c5542dc98f460a2316f842c6e8c6400e5707b1
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SHA512
e915a329bcaad00385efc4a81acc9038fc13d877b33d96cf136fb78ed53b11b9054bd5a4e314238b1c7d569c1e49ee9b31ca7856e04fb76b1e8e321d8b13db1a
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SSDEEP
3072:vLySUYWrO0VctCPmJIHERgRyRSIuznLstk4oQZiEKt:WEGPctCrE/RQLpWe
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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 57c1bc408eae92e7976efde417c5542dc98f460a2316f842c6e8c6400e5707b1.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" buovu.exe -
Executes dropped EXE 1 IoCs
pid Process 1584 buovu.exe -
Loads dropped DLL 2 IoCs
pid Process 1224 57c1bc408eae92e7976efde417c5542dc98f460a2316f842c6e8c6400e5707b1.exe 1224 57c1bc408eae92e7976efde417c5542dc98f460a2316f842c6e8c6400e5707b1.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /T" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /c" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /K" 57c1bc408eae92e7976efde417c5542dc98f460a2316f842c6e8c6400e5707b1.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /d" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /l" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /g" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /V" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /r" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /N" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /U" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /j" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /P" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /L" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /M" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /w" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /W" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /v" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /X" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /e" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /p" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /A" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /J" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /i" buovu.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /s" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /m" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /z" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /B" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /E" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /q" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /n" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /H" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /y" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /I" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /t" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /K" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /h" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /S" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /u" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /b" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /f" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /k" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /D" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /F" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /Y" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /x" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /G" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /C" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /Q" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /R" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /Z" buovu.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 57c1bc408eae92e7976efde417c5542dc98f460a2316f842c6e8c6400e5707b1.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /a" buovu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\buovu = "C:\\Users\\Admin\\buovu.exe /o" buovu.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 1224 57c1bc408eae92e7976efde417c5542dc98f460a2316f842c6e8c6400e5707b1.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe 1584 buovu.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1224 57c1bc408eae92e7976efde417c5542dc98f460a2316f842c6e8c6400e5707b1.exe 1584 buovu.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1224 wrote to memory of 1584 1224 57c1bc408eae92e7976efde417c5542dc98f460a2316f842c6e8c6400e5707b1.exe 28 PID 1224 wrote to memory of 1584 1224 57c1bc408eae92e7976efde417c5542dc98f460a2316f842c6e8c6400e5707b1.exe 28 PID 1224 wrote to memory of 1584 1224 57c1bc408eae92e7976efde417c5542dc98f460a2316f842c6e8c6400e5707b1.exe 28 PID 1224 wrote to memory of 1584 1224 57c1bc408eae92e7976efde417c5542dc98f460a2316f842c6e8c6400e5707b1.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\57c1bc408eae92e7976efde417c5542dc98f460a2316f842c6e8c6400e5707b1.exe"C:\Users\Admin\AppData\Local\Temp\57c1bc408eae92e7976efde417c5542dc98f460a2316f842c6e8c6400e5707b1.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:1224 -
C:\Users\Admin\buovu.exe"C:\Users\Admin\buovu.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:1584
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
156KB
MD5f53b75768c9ee421b499095aaa88e470
SHA1e68af02288e06467c8a5f8e438ca6aa6d716cf26
SHA2569da3f9d21403e8217b1cb79c24d5e8d03877c81b2e4e1e888ad67e0641d14f90
SHA512b6c92fd825009b7c60b8f5c83902761d15f14bf16770d78cdf5b2cf24b0496b0d7eba27dae2a77c44c37dbdbb6f82f52ec567eed65fba01e2c01a69495c5ca24
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Filesize
156KB
MD5f53b75768c9ee421b499095aaa88e470
SHA1e68af02288e06467c8a5f8e438ca6aa6d716cf26
SHA2569da3f9d21403e8217b1cb79c24d5e8d03877c81b2e4e1e888ad67e0641d14f90
SHA512b6c92fd825009b7c60b8f5c83902761d15f14bf16770d78cdf5b2cf24b0496b0d7eba27dae2a77c44c37dbdbb6f82f52ec567eed65fba01e2c01a69495c5ca24
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Filesize
156KB
MD5f53b75768c9ee421b499095aaa88e470
SHA1e68af02288e06467c8a5f8e438ca6aa6d716cf26
SHA2569da3f9d21403e8217b1cb79c24d5e8d03877c81b2e4e1e888ad67e0641d14f90
SHA512b6c92fd825009b7c60b8f5c83902761d15f14bf16770d78cdf5b2cf24b0496b0d7eba27dae2a77c44c37dbdbb6f82f52ec567eed65fba01e2c01a69495c5ca24
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Filesize
156KB
MD5f53b75768c9ee421b499095aaa88e470
SHA1e68af02288e06467c8a5f8e438ca6aa6d716cf26
SHA2569da3f9d21403e8217b1cb79c24d5e8d03877c81b2e4e1e888ad67e0641d14f90
SHA512b6c92fd825009b7c60b8f5c83902761d15f14bf16770d78cdf5b2cf24b0496b0d7eba27dae2a77c44c37dbdbb6f82f52ec567eed65fba01e2c01a69495c5ca24