Analysis
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max time kernel
149s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
25/12/2023, 13:55
Static task
static1
Behavioral task
behavioral1
Sample
237174cd4363f3d3355102e1da29126a.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
237174cd4363f3d3355102e1da29126a.exe
Resource
win10v2004-20231222-en
General
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Target
237174cd4363f3d3355102e1da29126a.exe
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Size
108KB
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MD5
237174cd4363f3d3355102e1da29126a
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SHA1
2162f6a590721c3838a472fce27d09bbaab4a7a8
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SHA256
38fdebcb05a196d604ffd3646a3336585ab90d7e0d8b20bab5c12f318ab694a3
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SHA512
5a5c3c54b0823eb508ce6f55ee9ca4adf58be504da3aeedc17fcf432a265e0d87f2b1c1c61600ba9d145315604aec8fb599018b57823574c5885094ee9002a1d
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SSDEEP
1536:MBPKiB6oQ7Lh5+sXmNt0ttJPXLq0zTrkC:0PmoIeZt0XTzToC
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-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 237174cd4363f3d3355102e1da29126a.exe Set value (int) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yaokea.exe -
Executes dropped EXE 1 IoCs
pid Process 3068 yaokea.exe -
Loads dropped DLL 2 IoCs
pid Process 2128 237174cd4363f3d3355102e1da29126a.exe 2128 237174cd4363f3d3355102e1da29126a.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaokea = "C:\\Users\\Admin\\yaokea.exe /v" 237174cd4363f3d3355102e1da29126a.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaokea = "C:\\Users\\Admin\\yaokea.exe /y" yaokea.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaokea = "C:\\Users\\Admin\\yaokea.exe /j" yaokea.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaokea = "C:\\Users\\Admin\\yaokea.exe /r" yaokea.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaokea = "C:\\Users\\Admin\\yaokea.exe /m" yaokea.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaokea = "C:\\Users\\Admin\\yaokea.exe /k" yaokea.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaokea = "C:\\Users\\Admin\\yaokea.exe /w" yaokea.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaokea = "C:\\Users\\Admin\\yaokea.exe /n" yaokea.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaokea = "C:\\Users\\Admin\\yaokea.exe /e" yaokea.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaokea = "C:\\Users\\Admin\\yaokea.exe /d" yaokea.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaokea = "C:\\Users\\Admin\\yaokea.exe /l" yaokea.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaokea = "C:\\Users\\Admin\\yaokea.exe /u" yaokea.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaokea = "C:\\Users\\Admin\\yaokea.exe /c" yaokea.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaokea = "C:\\Users\\Admin\\yaokea.exe /i" yaokea.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaokea = "C:\\Users\\Admin\\yaokea.exe /v" yaokea.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaokea = "C:\\Users\\Admin\\yaokea.exe /q" yaokea.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaokea = "C:\\Users\\Admin\\yaokea.exe /g" yaokea.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaokea = "C:\\Users\\Admin\\yaokea.exe /s" yaokea.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaokea = "C:\\Users\\Admin\\yaokea.exe /x" yaokea.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaokea = "C:\\Users\\Admin\\yaokea.exe /a" yaokea.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaokea = "C:\\Users\\Admin\\yaokea.exe /p" yaokea.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaokea = "C:\\Users\\Admin\\yaokea.exe /f" yaokea.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaokea = "C:\\Users\\Admin\\yaokea.exe /b" yaokea.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaokea = "C:\\Users\\Admin\\yaokea.exe /t" yaokea.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaokea = "C:\\Users\\Admin\\yaokea.exe /o" yaokea.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaokea = "C:\\Users\\Admin\\yaokea.exe /z" yaokea.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaokea = "C:\\Users\\Admin\\yaokea.exe /h" yaokea.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2128 237174cd4363f3d3355102e1da29126a.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe 3068 yaokea.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2128 237174cd4363f3d3355102e1da29126a.exe 3068 yaokea.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2128 wrote to memory of 3068 2128 237174cd4363f3d3355102e1da29126a.exe 28 PID 2128 wrote to memory of 3068 2128 237174cd4363f3d3355102e1da29126a.exe 28 PID 2128 wrote to memory of 3068 2128 237174cd4363f3d3355102e1da29126a.exe 28 PID 2128 wrote to memory of 3068 2128 237174cd4363f3d3355102e1da29126a.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\237174cd4363f3d3355102e1da29126a.exe"C:\Users\Admin\AppData\Local\Temp\237174cd4363f3d3355102e1da29126a.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:2128 -
C:\Users\Admin\yaokea.exe"C:\Users\Admin\yaokea.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:3068
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
108KB
MD5f23e750e17a43ec149ce1789888875ff
SHA196c21d435e23c165939bda8aa4236012ddff5886
SHA256b55122b1b6b12012020e592f01d0cf9643079e73e372f7532b08797b9e9a296f
SHA5123d0eebc068cfcf0974ddd5a34f880fe818aad0727ecfbf82ae0095ca0cf273b91e996d5bbe45d6aa237b0169a2b122bfa96ef756bcc53a5b8e28ee45a8773c65