Analysis
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max time kernel
151s -
max time network
72s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
20/10/2022, 01:57
Static task
static1
Behavioral task
behavioral1
Sample
c2aea9e81be92de85ebe7ba2bbe1d82ce081a1e82abdd3a0256459e0314f0ea0.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
c2aea9e81be92de85ebe7ba2bbe1d82ce081a1e82abdd3a0256459e0314f0ea0.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
c2aea9e81be92de85ebe7ba2bbe1d82ce081a1e82abdd3a0256459e0314f0ea0.exe
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Size
240KB
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MD5
80ad42b2f8fba68ebc582bdc9c4550a1
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SHA1
55900956dd43cc319f117c174f71c3048d7ae283
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SHA256
c2aea9e81be92de85ebe7ba2bbe1d82ce081a1e82abdd3a0256459e0314f0ea0
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SHA512
836ce55a0661fd3be7b9a12debbbf13fd782d33ba8a88fd2f8dc35822a510965434eb309e55ca482fdd6326e370eea49a9fe3f487f1edc541262ba034bf6bb3b
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SSDEEP
3072:UGMUxRW+zbfMjS2BXeWBFcAfqTEBRjefrfRLfN561PHuh0PW6gsR:UPIFD2peScAfA0jCfr567PP
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" c2aea9e81be92de85ebe7ba2bbe1d82ce081a1e82abdd3a0256459e0314f0ea0.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" beuahu.exe -
Executes dropped EXE 1 IoCs
pid Process 1280 beuahu.exe -
Loads dropped DLL 2 IoCs
pid Process 304 c2aea9e81be92de85ebe7ba2bbe1d82ce081a1e82abdd3a0256459e0314f0ea0.exe 304 c2aea9e81be92de85ebe7ba2bbe1d82ce081a1e82abdd3a0256459e0314f0ea0.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\beuahu = "C:\\Users\\Admin\\beuahu.exe /p" beuahu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\beuahu = "C:\\Users\\Admin\\beuahu.exe /w" beuahu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\beuahu = "C:\\Users\\Admin\\beuahu.exe /n" beuahu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\beuahu = "C:\\Users\\Admin\\beuahu.exe /a" beuahu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\beuahu = "C:\\Users\\Admin\\beuahu.exe /y" beuahu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\beuahu = "C:\\Users\\Admin\\beuahu.exe /s" beuahu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\beuahu = "C:\\Users\\Admin\\beuahu.exe /g" beuahu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\beuahu = "C:\\Users\\Admin\\beuahu.exe /r" beuahu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\beuahu = "C:\\Users\\Admin\\beuahu.exe /t" beuahu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\beuahu = "C:\\Users\\Admin\\beuahu.exe /b" beuahu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\beuahu = "C:\\Users\\Admin\\beuahu.exe /o" beuahu.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ c2aea9e81be92de85ebe7ba2bbe1d82ce081a1e82abdd3a0256459e0314f0ea0.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ beuahu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\beuahu = "C:\\Users\\Admin\\beuahu.exe /d" beuahu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\beuahu = "C:\\Users\\Admin\\beuahu.exe /q" beuahu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\beuahu = "C:\\Users\\Admin\\beuahu.exe /z" beuahu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\beuahu = "C:\\Users\\Admin\\beuahu.exe /m" beuahu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\beuahu = "C:\\Users\\Admin\\beuahu.exe /k" beuahu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\beuahu = "C:\\Users\\Admin\\beuahu.exe /u" beuahu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\beuahu = "C:\\Users\\Admin\\beuahu.exe /l" beuahu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\beuahu = "C:\\Users\\Admin\\beuahu.exe /j" beuahu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\beuahu = "C:\\Users\\Admin\\beuahu.exe /v" beuahu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\beuahu = "C:\\Users\\Admin\\beuahu.exe /f" beuahu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\beuahu = "C:\\Users\\Admin\\beuahu.exe /i" beuahu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\beuahu = "C:\\Users\\Admin\\beuahu.exe /n" c2aea9e81be92de85ebe7ba2bbe1d82ce081a1e82abdd3a0256459e0314f0ea0.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\beuahu = "C:\\Users\\Admin\\beuahu.exe /x" beuahu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\beuahu = "C:\\Users\\Admin\\beuahu.exe /h" beuahu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\beuahu = "C:\\Users\\Admin\\beuahu.exe /c" beuahu.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\beuahu = "C:\\Users\\Admin\\beuahu.exe /e" beuahu.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 304 c2aea9e81be92de85ebe7ba2bbe1d82ce081a1e82abdd3a0256459e0314f0ea0.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe 1280 beuahu.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 304 c2aea9e81be92de85ebe7ba2bbe1d82ce081a1e82abdd3a0256459e0314f0ea0.exe 1280 beuahu.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 304 wrote to memory of 1280 304 c2aea9e81be92de85ebe7ba2bbe1d82ce081a1e82abdd3a0256459e0314f0ea0.exe 27 PID 304 wrote to memory of 1280 304 c2aea9e81be92de85ebe7ba2bbe1d82ce081a1e82abdd3a0256459e0314f0ea0.exe 27 PID 304 wrote to memory of 1280 304 c2aea9e81be92de85ebe7ba2bbe1d82ce081a1e82abdd3a0256459e0314f0ea0.exe 27 PID 304 wrote to memory of 1280 304 c2aea9e81be92de85ebe7ba2bbe1d82ce081a1e82abdd3a0256459e0314f0ea0.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\c2aea9e81be92de85ebe7ba2bbe1d82ce081a1e82abdd3a0256459e0314f0ea0.exe"C:\Users\Admin\AppData\Local\Temp\c2aea9e81be92de85ebe7ba2bbe1d82ce081a1e82abdd3a0256459e0314f0ea0.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:304 -
C:\Users\Admin\beuahu.exe"C:\Users\Admin\beuahu.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:1280
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
240KB
MD5b830af2ce9b70bde4058c4a47d618afb
SHA1e657427a2a57407e6126ae243cedc2fb8292e7b1
SHA256f0293c8f2a2c85f74defe1a20c8f1fd2cff9f82bde16591b468fef1e4bd15b2c
SHA512e051cdd8d5ca747fb878a4c54cbcf02d8d8abc14d9d8a2914f83fd1b3eb61608456d30268850dafa49f5ad8b01229f8d0a7ad4b93b9ed9a1ba1cdddabd32559b
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Filesize
240KB
MD5b830af2ce9b70bde4058c4a47d618afb
SHA1e657427a2a57407e6126ae243cedc2fb8292e7b1
SHA256f0293c8f2a2c85f74defe1a20c8f1fd2cff9f82bde16591b468fef1e4bd15b2c
SHA512e051cdd8d5ca747fb878a4c54cbcf02d8d8abc14d9d8a2914f83fd1b3eb61608456d30268850dafa49f5ad8b01229f8d0a7ad4b93b9ed9a1ba1cdddabd32559b
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Filesize
240KB
MD5b830af2ce9b70bde4058c4a47d618afb
SHA1e657427a2a57407e6126ae243cedc2fb8292e7b1
SHA256f0293c8f2a2c85f74defe1a20c8f1fd2cff9f82bde16591b468fef1e4bd15b2c
SHA512e051cdd8d5ca747fb878a4c54cbcf02d8d8abc14d9d8a2914f83fd1b3eb61608456d30268850dafa49f5ad8b01229f8d0a7ad4b93b9ed9a1ba1cdddabd32559b
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Filesize
240KB
MD5b830af2ce9b70bde4058c4a47d618afb
SHA1e657427a2a57407e6126ae243cedc2fb8292e7b1
SHA256f0293c8f2a2c85f74defe1a20c8f1fd2cff9f82bde16591b468fef1e4bd15b2c
SHA512e051cdd8d5ca747fb878a4c54cbcf02d8d8abc14d9d8a2914f83fd1b3eb61608456d30268850dafa49f5ad8b01229f8d0a7ad4b93b9ed9a1ba1cdddabd32559b