Analysis
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max time kernel
191s -
max time network
188s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
01/12/2022, 23:05
Static task
static1
Behavioral task
behavioral1
Sample
96800a12f29270d123e6b49330a8f5cd48ec62d2260b016c5b341c584655c595.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
96800a12f29270d123e6b49330a8f5cd48ec62d2260b016c5b341c584655c595.exe
Resource
win10v2004-20221111-en
General
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Target
96800a12f29270d123e6b49330a8f5cd48ec62d2260b016c5b341c584655c595.exe
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Size
204KB
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MD5
767efb469003f81ab92ce2c09833d7be
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SHA1
ecd32129522a0afbf337baebecb64381e9b7023a
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SHA256
96800a12f29270d123e6b49330a8f5cd48ec62d2260b016c5b341c584655c595
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SHA512
9de0eac71360f55c7b1648786289bb65e5a5191332e25007136802b0d086d2b5b6e63788bd874b48987edb9b8c0b6eac9753713d71b2fe7b413d62221ec4a3e9
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SSDEEP
3072:WmLW8w0tQ9nLHbB9W0c1TqECzR/mkSYGrl9ymgYUWftH:xaP4QxL7B9W0c1RCzR/fSmlMB
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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 96800a12f29270d123e6b49330a8f5cd48ec62d2260b016c5b341c584655c595.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" riado.exe -
Executes dropped EXE 1 IoCs
pid Process 4304 riado.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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation 96800a12f29270d123e6b49330a8f5cd48ec62d2260b016c5b341c584655c595.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riado = "C:\\Users\\Admin\\riado.exe /z" riado.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riado = "C:\\Users\\Admin\\riado.exe /i" riado.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riado = "C:\\Users\\Admin\\riado.exe /e" riado.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riado = "C:\\Users\\Admin\\riado.exe /x" riado.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riado = "C:\\Users\\Admin\\riado.exe /k" riado.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 96800a12f29270d123e6b49330a8f5cd48ec62d2260b016c5b341c584655c595.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ riado.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riado = "C:\\Users\\Admin\\riado.exe /t" riado.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riado = "C:\\Users\\Admin\\riado.exe /o" riado.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riado = "C:\\Users\\Admin\\riado.exe /b" riado.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riado = "C:\\Users\\Admin\\riado.exe /r" riado.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riado = "C:\\Users\\Admin\\riado.exe /f" 96800a12f29270d123e6b49330a8f5cd48ec62d2260b016c5b341c584655c595.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riado = "C:\\Users\\Admin\\riado.exe /n" riado.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riado = "C:\\Users\\Admin\\riado.exe /p" riado.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riado = "C:\\Users\\Admin\\riado.exe /y" riado.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riado = "C:\\Users\\Admin\\riado.exe /g" riado.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riado = "C:\\Users\\Admin\\riado.exe /v" riado.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riado = "C:\\Users\\Admin\\riado.exe /u" riado.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riado = "C:\\Users\\Admin\\riado.exe /w" riado.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riado = "C:\\Users\\Admin\\riado.exe /m" riado.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riado = "C:\\Users\\Admin\\riado.exe /a" riado.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riado = "C:\\Users\\Admin\\riado.exe /q" riado.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riado = "C:\\Users\\Admin\\riado.exe /j" riado.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riado = "C:\\Users\\Admin\\riado.exe /h" riado.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riado = "C:\\Users\\Admin\\riado.exe /c" riado.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riado = "C:\\Users\\Admin\\riado.exe /d" riado.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riado = "C:\\Users\\Admin\\riado.exe /s" riado.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riado = "C:\\Users\\Admin\\riado.exe /l" riado.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riado = "C:\\Users\\Admin\\riado.exe /f" riado.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 2604 96800a12f29270d123e6b49330a8f5cd48ec62d2260b016c5b341c584655c595.exe 2604 96800a12f29270d123e6b49330a8f5cd48ec62d2260b016c5b341c584655c595.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe 4304 riado.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2604 96800a12f29270d123e6b49330a8f5cd48ec62d2260b016c5b341c584655c595.exe 4304 riado.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2604 wrote to memory of 4304 2604 96800a12f29270d123e6b49330a8f5cd48ec62d2260b016c5b341c584655c595.exe 82 PID 2604 wrote to memory of 4304 2604 96800a12f29270d123e6b49330a8f5cd48ec62d2260b016c5b341c584655c595.exe 82 PID 2604 wrote to memory of 4304 2604 96800a12f29270d123e6b49330a8f5cd48ec62d2260b016c5b341c584655c595.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\96800a12f29270d123e6b49330a8f5cd48ec62d2260b016c5b341c584655c595.exe"C:\Users\Admin\AppData\Local\Temp\96800a12f29270d123e6b49330a8f5cd48ec62d2260b016c5b341c584655c595.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:2604 -
C:\Users\Admin\riado.exe"C:\Users\Admin\riado.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:4304
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
204KB
MD5e455f026e3d45da647fbc8f6a2db7300
SHA1727f89e0ac08d7e60222f0e14fb55d6a783d8df3
SHA25645366a9fd5637e7c02b31caf48d55202708b6b66b6267b7f1162adbc877ad5aa
SHA512f729aced6287f4dca337dd670957e35b0dca832b88cbcdc624196fb5388ba86a08bf2ed310442935c5586814308a75febb516d899cb8756eb0b969a42a80b00b
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Filesize
204KB
MD5e455f026e3d45da647fbc8f6a2db7300
SHA1727f89e0ac08d7e60222f0e14fb55d6a783d8df3
SHA25645366a9fd5637e7c02b31caf48d55202708b6b66b6267b7f1162adbc877ad5aa
SHA512f729aced6287f4dca337dd670957e35b0dca832b88cbcdc624196fb5388ba86a08bf2ed310442935c5586814308a75febb516d899cb8756eb0b969a42a80b00b