Analysis
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max time kernel
152s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
03/10/2022, 02:53
Static task
static1
Behavioral task
behavioral1
Sample
1f81a216a80c5b92c9e1c756ac85f6cb2c75d1e1bedb6dd8b47608add7f09998.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
1f81a216a80c5b92c9e1c756ac85f6cb2c75d1e1bedb6dd8b47608add7f09998.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
1f81a216a80c5b92c9e1c756ac85f6cb2c75d1e1bedb6dd8b47608add7f09998.exe
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Size
152KB
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MD5
610b9067ac24243e41246817b89c2c42
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SHA1
73763355f08671f849f7030c1f37fb6c374e15d9
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SHA256
1f81a216a80c5b92c9e1c756ac85f6cb2c75d1e1bedb6dd8b47608add7f09998
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SHA512
72757db0f534444e7dc32306af5ccd18928706c82555e98b7cae7e5261c84e5d4ac2300a1a06cdd594ccf07bf468eca46afcf1fd00b15b7cee0f5d140363a112
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SSDEEP
3072:4DSzMr/Yt8wZfLOweRty9bWT4NETE5j4oQ:pzMrQ+YBeW96Tgnd
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" 1f81a216a80c5b92c9e1c756ac85f6cb2c75d1e1bedb6dd8b47608add7f09998.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" kiomi.exe -
Executes dropped EXE 1 IoCs
pid Process 1500 kiomi.exe -
Loads dropped DLL 2 IoCs
pid Process 1736 1f81a216a80c5b92c9e1c756ac85f6cb2c75d1e1bedb6dd8b47608add7f09998.exe 1736 1f81a216a80c5b92c9e1c756ac85f6cb2c75d1e1bedb6dd8b47608add7f09998.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /e" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /F" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /g" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /v" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /W" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /c" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /o" kiomi.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 1f81a216a80c5b92c9e1c756ac85f6cb2c75d1e1bedb6dd8b47608add7f09998.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /n" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /t" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /S" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /m" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /Y" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /h" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /M" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /Z" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /l" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /k" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /d" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /I" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /T" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /u" kiomi.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /C" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /H" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /V" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /A" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /a" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /J" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /w" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /j" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /i" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /Q" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /X" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /O" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /q" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /R" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /r" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /E" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /D" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /x" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /U" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /L" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /b" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /K" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /X" 1f81a216a80c5b92c9e1c756ac85f6cb2c75d1e1bedb6dd8b47608add7f09998.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /s" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /G" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /f" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /y" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /p" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /N" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /z" kiomi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiomi = "C:\\Users\\Admin\\kiomi.exe /P" kiomi.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 1736 1f81a216a80c5b92c9e1c756ac85f6cb2c75d1e1bedb6dd8b47608add7f09998.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe 1500 kiomi.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1736 1f81a216a80c5b92c9e1c756ac85f6cb2c75d1e1bedb6dd8b47608add7f09998.exe 1500 kiomi.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1736 wrote to memory of 1500 1736 1f81a216a80c5b92c9e1c756ac85f6cb2c75d1e1bedb6dd8b47608add7f09998.exe 28 PID 1736 wrote to memory of 1500 1736 1f81a216a80c5b92c9e1c756ac85f6cb2c75d1e1bedb6dd8b47608add7f09998.exe 28 PID 1736 wrote to memory of 1500 1736 1f81a216a80c5b92c9e1c756ac85f6cb2c75d1e1bedb6dd8b47608add7f09998.exe 28 PID 1736 wrote to memory of 1500 1736 1f81a216a80c5b92c9e1c756ac85f6cb2c75d1e1bedb6dd8b47608add7f09998.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\1f81a216a80c5b92c9e1c756ac85f6cb2c75d1e1bedb6dd8b47608add7f09998.exe"C:\Users\Admin\AppData\Local\Temp\1f81a216a80c5b92c9e1c756ac85f6cb2c75d1e1bedb6dd8b47608add7f09998.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:1736 -
C:\Users\Admin\kiomi.exe"C:\Users\Admin\kiomi.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:1500
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
152KB
MD54762503b4fc33a4836441c35cec56896
SHA11c582f07291ab06d2f8c3670b800c1481fd2d5c1
SHA256f29840d3094db22615f087cc0f96ba8631bfd057d394c81b9f4c6485bf5d7d16
SHA512c3e096b844297611674ead18366c5fdafb99619217a7748a79b5f9bfc1070ace7c246f145abecab29f17d82a21452ec5cf86be7f08008fd0c1e8e14783c006da
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Filesize
152KB
MD54762503b4fc33a4836441c35cec56896
SHA11c582f07291ab06d2f8c3670b800c1481fd2d5c1
SHA256f29840d3094db22615f087cc0f96ba8631bfd057d394c81b9f4c6485bf5d7d16
SHA512c3e096b844297611674ead18366c5fdafb99619217a7748a79b5f9bfc1070ace7c246f145abecab29f17d82a21452ec5cf86be7f08008fd0c1e8e14783c006da
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Filesize
152KB
MD54762503b4fc33a4836441c35cec56896
SHA11c582f07291ab06d2f8c3670b800c1481fd2d5c1
SHA256f29840d3094db22615f087cc0f96ba8631bfd057d394c81b9f4c6485bf5d7d16
SHA512c3e096b844297611674ead18366c5fdafb99619217a7748a79b5f9bfc1070ace7c246f145abecab29f17d82a21452ec5cf86be7f08008fd0c1e8e14783c006da
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Filesize
152KB
MD54762503b4fc33a4836441c35cec56896
SHA11c582f07291ab06d2f8c3670b800c1481fd2d5c1
SHA256f29840d3094db22615f087cc0f96ba8631bfd057d394c81b9f4c6485bf5d7d16
SHA512c3e096b844297611674ead18366c5fdafb99619217a7748a79b5f9bfc1070ace7c246f145abecab29f17d82a21452ec5cf86be7f08008fd0c1e8e14783c006da