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Analysis
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max time kernel
150s -
max time network
53s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
07/11/2022, 16:33
Static task
static1
Behavioral task
behavioral1
Sample
d886cf4fd0ae32043eddc7701d3b025e7de92a057bc7aac6cc6df28d6a874b45.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
d886cf4fd0ae32043eddc7701d3b025e7de92a057bc7aac6cc6df28d6a874b45.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
d886cf4fd0ae32043eddc7701d3b025e7de92a057bc7aac6cc6df28d6a874b45.exe
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Size
176KB
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MD5
01ada3eed578ce580487821feda2e76b
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SHA1
0e8bb8c579c0c238628b68ce509984140c7fc464
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SHA256
d886cf4fd0ae32043eddc7701d3b025e7de92a057bc7aac6cc6df28d6a874b45
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SHA512
90af105bd7833272cc9c77d86a7af95ac643fd118ee10d4cfa491a4c953eb28606eab321037e17face277aca8305d44da208cfa8e99165fb6e29202af447a8c5
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SSDEEP
3072:dv04IcfpHlp1D2KcwjIU2aTObcpT/pHkEAbN/yK/fObT/bGiCV/COqoSQ1iBuAZX:B04PfpHlp1KKcwjIDaTObcZ/pHkMK/fg
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" d886cf4fd0ae32043eddc7701d3b025e7de92a057bc7aac6cc6df28d6a874b45.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" buodo.exe -
Executes dropped EXE 1 IoCs
pid Process 812 buodo.exe -
Loads dropped DLL 2 IoCs
pid Process 1460 d886cf4fd0ae32043eddc7701d3b025e7de92a057bc7aac6cc6df28d6a874b45.exe 1460 d886cf4fd0ae32043eddc7701d3b025e7de92a057bc7aac6cc6df28d6a874b45.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /i" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /s" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /l" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /T" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /R" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /x" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /I" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /p" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /B" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /Q" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /d" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /A" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /n" buodo.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /h" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /u" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /F" d886cf4fd0ae32043eddc7701d3b025e7de92a057bc7aac6cc6df28d6a874b45.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /y" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /W" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /D" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /J" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /r" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /U" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /q" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /V" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /z" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /L" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /Y" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /m" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /E" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /G" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /X" buodo.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ d886cf4fd0ae32043eddc7701d3b025e7de92a057bc7aac6cc6df28d6a874b45.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /c" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /a" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /f" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /g" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /v" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /t" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /e" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /P" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /M" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /K" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /Z" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /H" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /F" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /w" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /C" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /b" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /o" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /N" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /O" buodo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\buodo = "C:\\Users\\Admin\\buodo.exe /k" buodo.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 1460 d886cf4fd0ae32043eddc7701d3b025e7de92a057bc7aac6cc6df28d6a874b45.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe 812 buodo.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1460 d886cf4fd0ae32043eddc7701d3b025e7de92a057bc7aac6cc6df28d6a874b45.exe 812 buodo.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1460 wrote to memory of 812 1460 d886cf4fd0ae32043eddc7701d3b025e7de92a057bc7aac6cc6df28d6a874b45.exe 27 PID 1460 wrote to memory of 812 1460 d886cf4fd0ae32043eddc7701d3b025e7de92a057bc7aac6cc6df28d6a874b45.exe 27 PID 1460 wrote to memory of 812 1460 d886cf4fd0ae32043eddc7701d3b025e7de92a057bc7aac6cc6df28d6a874b45.exe 27 PID 1460 wrote to memory of 812 1460 d886cf4fd0ae32043eddc7701d3b025e7de92a057bc7aac6cc6df28d6a874b45.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\d886cf4fd0ae32043eddc7701d3b025e7de92a057bc7aac6cc6df28d6a874b45.exe"C:\Users\Admin\AppData\Local\Temp\d886cf4fd0ae32043eddc7701d3b025e7de92a057bc7aac6cc6df28d6a874b45.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:1460 -
C:\Users\Admin\buodo.exe"C:\Users\Admin\buodo.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:812
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
176KB
MD5dd5765656f627c403e328c4c6953fefe
SHA106cee1a722aaf9bb85ff14ab700506b8fbc5fdf9
SHA256059c884303a4250101614bffb9b9eb94340879dd7acff08f4172151f5d5330ac
SHA512a5179c47ff20192a404e02672b94cbe0e962d78afa030e81310b4101ab99c8eb98a3dd29d6355c4e72e32d887ffeba06c5865077092c7098287476f9a3181ca9
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Filesize
176KB
MD5dd5765656f627c403e328c4c6953fefe
SHA106cee1a722aaf9bb85ff14ab700506b8fbc5fdf9
SHA256059c884303a4250101614bffb9b9eb94340879dd7acff08f4172151f5d5330ac
SHA512a5179c47ff20192a404e02672b94cbe0e962d78afa030e81310b4101ab99c8eb98a3dd29d6355c4e72e32d887ffeba06c5865077092c7098287476f9a3181ca9
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Filesize
176KB
MD5dd5765656f627c403e328c4c6953fefe
SHA106cee1a722aaf9bb85ff14ab700506b8fbc5fdf9
SHA256059c884303a4250101614bffb9b9eb94340879dd7acff08f4172151f5d5330ac
SHA512a5179c47ff20192a404e02672b94cbe0e962d78afa030e81310b4101ab99c8eb98a3dd29d6355c4e72e32d887ffeba06c5865077092c7098287476f9a3181ca9
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Filesize
176KB
MD5dd5765656f627c403e328c4c6953fefe
SHA106cee1a722aaf9bb85ff14ab700506b8fbc5fdf9
SHA256059c884303a4250101614bffb9b9eb94340879dd7acff08f4172151f5d5330ac
SHA512a5179c47ff20192a404e02672b94cbe0e962d78afa030e81310b4101ab99c8eb98a3dd29d6355c4e72e32d887ffeba06c5865077092c7098287476f9a3181ca9