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Analysis
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max time kernel
152s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
11/10/2022, 09:41
Static task
static1
Behavioral task
behavioral1
Sample
83dc89018acf1b76d285065eaf231b593316e025c65f06174eccb596b03b7034.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
83dc89018acf1b76d285065eaf231b593316e025c65f06174eccb596b03b7034.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
83dc89018acf1b76d285065eaf231b593316e025c65f06174eccb596b03b7034.exe
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Size
160KB
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MD5
18b6e424a2f3d49c72581fb0b37743df
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SHA1
67b4613223d07395525c39c26534cb2d8c2fee5d
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SHA256
83dc89018acf1b76d285065eaf231b593316e025c65f06174eccb596b03b7034
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SHA512
e841872d665b1bf02cf949b7338ae93670b36245a24aaa7bfe8c8a97cc87ba7973b6ee36efdd1c005d0b7f8a4110b52386097571148c009ca5e47258b73cad28
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SSDEEP
3072:ua5Xf+Dx895Fbr2IsJ03CwLYwRp9hPLd3BzK02Swq4lV94oQZiEw55:r5v+DcbrTw03rLlRFPLnh7w1rvWS
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 83dc89018acf1b76d285065eaf231b593316e025c65f06174eccb596b03b7034.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" bauco.exe -
Executes dropped EXE 1 IoCs
pid Process 2032 bauco.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 83dc89018acf1b76d285065eaf231b593316e025c65f06174eccb596b03b7034.exe -
Adds Run key to start application 2 TTPs 55 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /J" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /b" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /x" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /t" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /z" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /w" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /Y" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /n" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /g" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /I" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /s" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /E" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /K" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /W" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /Z" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /U" bauco.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 83dc89018acf1b76d285065eaf231b593316e025c65f06174eccb596b03b7034.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /D" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /k" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /e" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /c" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /B" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /j" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /L" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /i" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /o" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /u" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /V" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /M" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /P" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /C" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /d" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /O" 83dc89018acf1b76d285065eaf231b593316e025c65f06174eccb596b03b7034.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /N" bauco.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /A" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /X" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /p" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /O" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /S" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /f" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /h" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /H" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /r" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /l" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /m" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /a" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /q" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /T" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /Q" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /v" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /G" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /y" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /R" bauco.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bauco = "C:\\Users\\Admin\\bauco.exe /F" bauco.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 2576 83dc89018acf1b76d285065eaf231b593316e025c65f06174eccb596b03b7034.exe 2576 83dc89018acf1b76d285065eaf231b593316e025c65f06174eccb596b03b7034.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe 2032 bauco.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2576 83dc89018acf1b76d285065eaf231b593316e025c65f06174eccb596b03b7034.exe 2032 bauco.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2576 wrote to memory of 2032 2576 83dc89018acf1b76d285065eaf231b593316e025c65f06174eccb596b03b7034.exe 84 PID 2576 wrote to memory of 2032 2576 83dc89018acf1b76d285065eaf231b593316e025c65f06174eccb596b03b7034.exe 84 PID 2576 wrote to memory of 2032 2576 83dc89018acf1b76d285065eaf231b593316e025c65f06174eccb596b03b7034.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\83dc89018acf1b76d285065eaf231b593316e025c65f06174eccb596b03b7034.exe"C:\Users\Admin\AppData\Local\Temp\83dc89018acf1b76d285065eaf231b593316e025c65f06174eccb596b03b7034.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2576 -
C:\Users\Admin\bauco.exe"C:\Users\Admin\bauco.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:2032
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
160KB
MD57c7bb7bb66c04b5c7bbc8ac5c9edc220
SHA19c5b0e403d6c9f536b1a00fe7fe15d953bd21022
SHA25636360f641579782015d748d3c048b7d9583627317b093d48183b08a4883228d4
SHA51209e504ef31385f57bc5d61856b7b2b1035ee2b69a83402bc4e138795a7516fc02e0ca3b4252d9a718b82460e02676d88a41407c6f53c6ed9983c5d89ab2e4702
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Filesize
160KB
MD57c7bb7bb66c04b5c7bbc8ac5c9edc220
SHA19c5b0e403d6c9f536b1a00fe7fe15d953bd21022
SHA25636360f641579782015d748d3c048b7d9583627317b093d48183b08a4883228d4
SHA51209e504ef31385f57bc5d61856b7b2b1035ee2b69a83402bc4e138795a7516fc02e0ca3b4252d9a718b82460e02676d88a41407c6f53c6ed9983c5d89ab2e4702