Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
07-11-2022 16:32
Static task
static1
Behavioral task
behavioral1
Sample
05e8656c4a76c7570c0a46b09a8d372a7273bec025f53262a3d05173c5cc4072.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
05e8656c4a76c7570c0a46b09a8d372a7273bec025f53262a3d05173c5cc4072.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
05e8656c4a76c7570c0a46b09a8d372a7273bec025f53262a3d05173c5cc4072.exe
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Size
140KB
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MD5
0d1d16ab46d47ed401f19bf01117c02c
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SHA1
465cbffe841b5d4f9b0ac990db7a2a61ee54b143
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SHA256
05e8656c4a76c7570c0a46b09a8d372a7273bec025f53262a3d05173c5cc4072
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SHA512
1ce76d908ea79feb601aa1e7985097cb647cb55ba9c1762642dedd3691bec583c9e14459d1269b06e999c7311284084d6b37948a0b274a6cf25730de58ac0044
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SSDEEP
3072:U9Pj7FuHCxABX562J7fT4PE6fUneYkLpE6H/4oQZiEmvNz:UFufBJ1J7f8z9ScWov5
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" riilo.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 05e8656c4a76c7570c0a46b09a8d372a7273bec025f53262a3d05173c5cc4072.exe -
Executes dropped EXE 1 IoCs
pid Process 3684 riilo.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 05e8656c4a76c7570c0a46b09a8d372a7273bec025f53262a3d05173c5cc4072.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /A" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /j" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /q" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /J" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /T" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /f" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /R" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /L" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /b" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /M" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /Z" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /v" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /y" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /s" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /Q" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /X" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /U" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /B" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /n" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /x" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /I" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /i" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /u" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /C" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /Y" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /e" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /K" riilo.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /r" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /D" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /G" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /z" riilo.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 05e8656c4a76c7570c0a46b09a8d372a7273bec025f53262a3d05173c5cc4072.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /O" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /t" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /W" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /P" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /w" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /g" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /l" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /o" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /a" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /F" 05e8656c4a76c7570c0a46b09a8d372a7273bec025f53262a3d05173c5cc4072.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /H" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /S" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /d" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /c" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /k" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /V" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /N" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /m" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /E" riilo.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riilo = "C:\\Users\\Admin\\riilo.exe /p" riilo.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 4812 05e8656c4a76c7570c0a46b09a8d372a7273bec025f53262a3d05173c5cc4072.exe 4812 05e8656c4a76c7570c0a46b09a8d372a7273bec025f53262a3d05173c5cc4072.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe 3684 riilo.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4812 05e8656c4a76c7570c0a46b09a8d372a7273bec025f53262a3d05173c5cc4072.exe 3684 riilo.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4812 wrote to memory of 3684 4812 05e8656c4a76c7570c0a46b09a8d372a7273bec025f53262a3d05173c5cc4072.exe 80 PID 4812 wrote to memory of 3684 4812 05e8656c4a76c7570c0a46b09a8d372a7273bec025f53262a3d05173c5cc4072.exe 80 PID 4812 wrote to memory of 3684 4812 05e8656c4a76c7570c0a46b09a8d372a7273bec025f53262a3d05173c5cc4072.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\05e8656c4a76c7570c0a46b09a8d372a7273bec025f53262a3d05173c5cc4072.exe"C:\Users\Admin\AppData\Local\Temp\05e8656c4a76c7570c0a46b09a8d372a7273bec025f53262a3d05173c5cc4072.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:4812 -
C:\Users\Admin\riilo.exe"C:\Users\Admin\riilo.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:3684
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
140KB
MD584f72b93e6cfdced3db4da2fe48ca88a
SHA1349d3d863553bc2d316015b43c01aa34dc591bb5
SHA256f9f7ff35c1d37247c1f639d3525cc4d2696a5de4f1417f9d5a2dae814e6707cf
SHA512a2e76b6588205a18607c67880f781db49268b7ef74440116b93ee2da68a878cf6ab69597eac9511e561cbdfb69a13d528067a24b0fab6f1af1e863b0120fd2a8
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Filesize
140KB
MD584f72b93e6cfdced3db4da2fe48ca88a
SHA1349d3d863553bc2d316015b43c01aa34dc591bb5
SHA256f9f7ff35c1d37247c1f639d3525cc4d2696a5de4f1417f9d5a2dae814e6707cf
SHA512a2e76b6588205a18607c67880f781db49268b7ef74440116b93ee2da68a878cf6ab69597eac9511e561cbdfb69a13d528067a24b0fab6f1af1e863b0120fd2a8