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Analysis
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max time kernel
153s -
max time network
50s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
11/10/2022, 01:35
Static task
static1
Behavioral task
behavioral1
Sample
bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.exe
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Size
180KB
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MD5
5fb26e6d27cb6e152cac74b218d01490
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SHA1
7c8ff28874801d1557415a3cd647530d1ab3b799
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SHA256
bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75
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SHA512
87eacb5a7338a7f6e8c1f2a2eb32061d58e6806edb229a8edb0ebfa1b7afa0151c68626bddfbfedf4ad288f9916245be52e7b3998fddd8a14ced14eba1a5232e
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SSDEEP
3072:oRHNSIcEGROnFPgPmCXMNKiqMdMZZZZWMkIJk:igEtEMNIMdHY
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" bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" fiehoa.exe -
Executes dropped EXE 1 IoCs
pid Process 1252 fiehoa.exe -
Loads dropped DLL 2 IoCs
pid Process 1968 bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.exe 1968 bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.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\fiehoa = "C:\\Users\\Admin\\fiehoa.exe /r" fiehoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiehoa = "C:\\Users\\Admin\\fiehoa.exe /v" fiehoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiehoa = "C:\\Users\\Admin\\fiehoa.exe /n" fiehoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiehoa = "C:\\Users\\Admin\\fiehoa.exe /b" fiehoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiehoa = "C:\\Users\\Admin\\fiehoa.exe /d" fiehoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiehoa = "C:\\Users\\Admin\\fiehoa.exe /i" fiehoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiehoa = "C:\\Users\\Admin\\fiehoa.exe /j" fiehoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiehoa = "C:\\Users\\Admin\\fiehoa.exe /t" fiehoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiehoa = "C:\\Users\\Admin\\fiehoa.exe /s" fiehoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiehoa = "C:\\Users\\Admin\\fiehoa.exe /e" fiehoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiehoa = "C:\\Users\\Admin\\fiehoa.exe /h" fiehoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiehoa = "C:\\Users\\Admin\\fiehoa.exe /a" fiehoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiehoa = "C:\\Users\\Admin\\fiehoa.exe /k" fiehoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiehoa = "C:\\Users\\Admin\\fiehoa.exe /z" fiehoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiehoa = "C:\\Users\\Admin\\fiehoa.exe /w" fiehoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiehoa = "C:\\Users\\Admin\\fiehoa.exe /l" fiehoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiehoa = "C:\\Users\\Admin\\fiehoa.exe /o" fiehoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiehoa = "C:\\Users\\Admin\\fiehoa.exe /u" fiehoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiehoa = "C:\\Users\\Admin\\fiehoa.exe /x" fiehoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiehoa = "C:\\Users\\Admin\\fiehoa.exe /g" fiehoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiehoa = "C:\\Users\\Admin\\fiehoa.exe /p" fiehoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiehoa = "C:\\Users\\Admin\\fiehoa.exe /q" fiehoa.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ fiehoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiehoa = "C:\\Users\\Admin\\fiehoa.exe /f" fiehoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiehoa = "C:\\Users\\Admin\\fiehoa.exe /c" fiehoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiehoa = "C:\\Users\\Admin\\fiehoa.exe /m" fiehoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiehoa = "C:\\Users\\Admin\\fiehoa.exe /y" fiehoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiehoa = "C:\\Users\\Admin\\fiehoa.exe /w" bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.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 1968 bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe 1252 fiehoa.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1968 bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.exe 1252 fiehoa.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1968 wrote to memory of 1252 1968 bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.exe 28 PID 1968 wrote to memory of 1252 1968 bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.exe 28 PID 1968 wrote to memory of 1252 1968 bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.exe 28 PID 1968 wrote to memory of 1252 1968 bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.exe"C:\Users\Admin\AppData\Local\Temp\bc49b40c3190571bc483de68d16b9788ce30fc96b2d18cb350a681d221f0bd75.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:1968 -
C:\Users\Admin\fiehoa.exe"C:\Users\Admin\fiehoa.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:1252
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
180KB
MD5fd06d4d214bd08308c330509c598d3d7
SHA15420542992c8b8b0a301a18c83ba7b1368a1a892
SHA256569fb387ab39ffda1b461fdc77c1a93072e70ee1109f2dc0e9741114987fee71
SHA512adce778ab478cd647087e36c4e617e5f85a38377e811b120aa1e3b48e9f835fe59064b45a371d8f979010bcc8e40b9173783834affb30042ae3040e5b5b986df
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Filesize
180KB
MD5fd06d4d214bd08308c330509c598d3d7
SHA15420542992c8b8b0a301a18c83ba7b1368a1a892
SHA256569fb387ab39ffda1b461fdc77c1a93072e70ee1109f2dc0e9741114987fee71
SHA512adce778ab478cd647087e36c4e617e5f85a38377e811b120aa1e3b48e9f835fe59064b45a371d8f979010bcc8e40b9173783834affb30042ae3040e5b5b986df
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Filesize
180KB
MD5fd06d4d214bd08308c330509c598d3d7
SHA15420542992c8b8b0a301a18c83ba7b1368a1a892
SHA256569fb387ab39ffda1b461fdc77c1a93072e70ee1109f2dc0e9741114987fee71
SHA512adce778ab478cd647087e36c4e617e5f85a38377e811b120aa1e3b48e9f835fe59064b45a371d8f979010bcc8e40b9173783834affb30042ae3040e5b5b986df
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Filesize
180KB
MD5fd06d4d214bd08308c330509c598d3d7
SHA15420542992c8b8b0a301a18c83ba7b1368a1a892
SHA256569fb387ab39ffda1b461fdc77c1a93072e70ee1109f2dc0e9741114987fee71
SHA512adce778ab478cd647087e36c4e617e5f85a38377e811b120aa1e3b48e9f835fe59064b45a371d8f979010bcc8e40b9173783834affb30042ae3040e5b5b986df