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Analysis
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max time kernel
188s -
max time network
191s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
07/12/2022, 03:20
Static task
static1
Behavioral task
behavioral1
Sample
f828b7aacbc69bad400a72c52e7c078e688999379b0e8c78b3d663c7a564ed4f.exe
Resource
win7-20220901-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
f828b7aacbc69bad400a72c52e7c078e688999379b0e8c78b3d663c7a564ed4f.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
f828b7aacbc69bad400a72c52e7c078e688999379b0e8c78b3d663c7a564ed4f.exe
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Size
248KB
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MD5
ff471c6f66d4d3fba66ef0c04c4ccee9
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SHA1
630da2c118b18cdd617a9688e4307068a66be1ec
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SHA256
f828b7aacbc69bad400a72c52e7c078e688999379b0e8c78b3d663c7a564ed4f
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SHA512
1cf29e039726977797ece10e8fd769360fed826806a837ed983fa4084e7eb61bc062a6362496b96b78f93709ff635b210564899324e23d22a19976ab1db72033
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SSDEEP
6144:FIn3+jU0a4envslXcZYSCk0HWzfhQ8bMLcZ:FInOjU0a4enEGZYBk8WzfhPMLcZ
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" f828b7aacbc69bad400a72c52e7c078e688999379b0e8c78b3d663c7a564ed4f.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" hioehi.exe -
Executes dropped EXE 1 IoCs
pid Process 4332 hioehi.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation f828b7aacbc69bad400a72c52e7c078e688999379b0e8c78b3d663c7a564ed4f.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ hioehi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hioehi = "C:\\Users\\Admin\\hioehi.exe /r" hioehi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hioehi = "C:\\Users\\Admin\\hioehi.exe /d" hioehi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hioehi = "C:\\Users\\Admin\\hioehi.exe /w" hioehi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hioehi = "C:\\Users\\Admin\\hioehi.exe /n" hioehi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hioehi = "C:\\Users\\Admin\\hioehi.exe /b" hioehi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hioehi = "C:\\Users\\Admin\\hioehi.exe /f" hioehi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hioehi = "C:\\Users\\Admin\\hioehi.exe /e" hioehi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hioehi = "C:\\Users\\Admin\\hioehi.exe /v" hioehi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hioehi = "C:\\Users\\Admin\\hioehi.exe /a" hioehi.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ f828b7aacbc69bad400a72c52e7c078e688999379b0e8c78b3d663c7a564ed4f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hioehi = "C:\\Users\\Admin\\hioehi.exe /g" hioehi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hioehi = "C:\\Users\\Admin\\hioehi.exe /p" hioehi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hioehi = "C:\\Users\\Admin\\hioehi.exe /z" hioehi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hioehi = "C:\\Users\\Admin\\hioehi.exe /o" hioehi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hioehi = "C:\\Users\\Admin\\hioehi.exe /s" hioehi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hioehi = "C:\\Users\\Admin\\hioehi.exe /l" hioehi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hioehi = "C:\\Users\\Admin\\hioehi.exe /c" hioehi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hioehi = "C:\\Users\\Admin\\hioehi.exe /h" hioehi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hioehi = "C:\\Users\\Admin\\hioehi.exe /x" hioehi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hioehi = "C:\\Users\\Admin\\hioehi.exe /m" hioehi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hioehi = "C:\\Users\\Admin\\hioehi.exe /q" hioehi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hioehi = "C:\\Users\\Admin\\hioehi.exe /j" hioehi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hioehi = "C:\\Users\\Admin\\hioehi.exe /u" hioehi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hioehi = "C:\\Users\\Admin\\hioehi.exe /t" hioehi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hioehi = "C:\\Users\\Admin\\hioehi.exe /y" hioehi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hioehi = "C:\\Users\\Admin\\hioehi.exe /i" hioehi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hioehi = "C:\\Users\\Admin\\hioehi.exe /v" f828b7aacbc69bad400a72c52e7c078e688999379b0e8c78b3d663c7a564ed4f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hioehi = "C:\\Users\\Admin\\hioehi.exe /k" hioehi.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum f828b7aacbc69bad400a72c52e7c078e688999379b0e8c78b3d663c7a564ed4f.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 f828b7aacbc69bad400a72c52e7c078e688999379b0e8c78b3d663c7a564ed4f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum hioehi.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 hioehi.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings f828b7aacbc69bad400a72c52e7c078e688999379b0e8c78b3d663c7a564ed4f.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4376 f828b7aacbc69bad400a72c52e7c078e688999379b0e8c78b3d663c7a564ed4f.exe 4376 f828b7aacbc69bad400a72c52e7c078e688999379b0e8c78b3d663c7a564ed4f.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe 4332 hioehi.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4376 f828b7aacbc69bad400a72c52e7c078e688999379b0e8c78b3d663c7a564ed4f.exe 4332 hioehi.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4376 wrote to memory of 4332 4376 f828b7aacbc69bad400a72c52e7c078e688999379b0e8c78b3d663c7a564ed4f.exe 79 PID 4376 wrote to memory of 4332 4376 f828b7aacbc69bad400a72c52e7c078e688999379b0e8c78b3d663c7a564ed4f.exe 79 PID 4376 wrote to memory of 4332 4376 f828b7aacbc69bad400a72c52e7c078e688999379b0e8c78b3d663c7a564ed4f.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\f828b7aacbc69bad400a72c52e7c078e688999379b0e8c78b3d663c7a564ed4f.exe"C:\Users\Admin\AppData\Local\Temp\f828b7aacbc69bad400a72c52e7c078e688999379b0e8c78b3d663c7a564ed4f.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4376 -
C:\Users\Admin\hioehi.exe"C:\Users\Admin\hioehi.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4332
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:4212
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
248KB
MD5ff471c6f66d4d3fba66ef0c04c4ccee9
SHA1630da2c118b18cdd617a9688e4307068a66be1ec
SHA256f828b7aacbc69bad400a72c52e7c078e688999379b0e8c78b3d663c7a564ed4f
SHA5121cf29e039726977797ece10e8fd769360fed826806a837ed983fa4084e7eb61bc062a6362496b96b78f93709ff635b210564899324e23d22a19976ab1db72033
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Filesize
248KB
MD5ff471c6f66d4d3fba66ef0c04c4ccee9
SHA1630da2c118b18cdd617a9688e4307068a66be1ec
SHA256f828b7aacbc69bad400a72c52e7c078e688999379b0e8c78b3d663c7a564ed4f
SHA5121cf29e039726977797ece10e8fd769360fed826806a837ed983fa4084e7eb61bc062a6362496b96b78f93709ff635b210564899324e23d22a19976ab1db72033