Analysis
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max time kernel
191s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
02/10/2022, 22:08
Static task
static1
Behavioral task
behavioral1
Sample
8b9774b9248cb3651596e5888d1e307beeb4e5b6411ab195f56ff60ce8741a93.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
8b9774b9248cb3651596e5888d1e307beeb4e5b6411ab195f56ff60ce8741a93.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
8b9774b9248cb3651596e5888d1e307beeb4e5b6411ab195f56ff60ce8741a93.exe
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Size
112KB
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MD5
66e6249e3bef44d8a1fae62a32d644f7
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SHA1
1ba9c54e542012680023e0bd5b82d79da823e99a
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SHA256
8b9774b9248cb3651596e5888d1e307beeb4e5b6411ab195f56ff60ce8741a93
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SHA512
bf1f6fa7a6baf4e0db5860a3315981c1f2a8b20bfcbfc65f64660fbe2f48221902ee4d9863f886850f1f391a2538a253c72082120a7b06b6b6857f84e9ee2949
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SSDEEP
1536:affZOdUCJwVuYipwFJ0T72mocTDQtF8Jx0CT67hDmT5OWq:sfMy5FJ0T72mBT+F8x+7hDmT5O/
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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 8b9774b9248cb3651596e5888d1e307beeb4e5b6411ab195f56ff60ce8741a93.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yaoxe.exe -
Executes dropped EXE 1 IoCs
pid Process 872 yaoxe.exe -
Loads dropped DLL 2 IoCs
pid Process 1360 8b9774b9248cb3651596e5888d1e307beeb4e5b6411ab195f56ff60ce8741a93.exe 1360 8b9774b9248cb3651596e5888d1e307beeb4e5b6411ab195f56ff60ce8741a93.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ yaoxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaoxe = "C:\\Users\\Admin\\yaoxe.exe /r" yaoxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaoxe = "C:\\Users\\Admin\\yaoxe.exe /t" yaoxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaoxe = "C:\\Users\\Admin\\yaoxe.exe /z" yaoxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaoxe = "C:\\Users\\Admin\\yaoxe.exe /m" yaoxe.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 8b9774b9248cb3651596e5888d1e307beeb4e5b6411ab195f56ff60ce8741a93.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaoxe = "C:\\Users\\Admin\\yaoxe.exe /q" yaoxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaoxe = "C:\\Users\\Admin\\yaoxe.exe /a" yaoxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaoxe = "C:\\Users\\Admin\\yaoxe.exe /e" yaoxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaoxe = "C:\\Users\\Admin\\yaoxe.exe /w" yaoxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaoxe = "C:\\Users\\Admin\\yaoxe.exe /g" yaoxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaoxe = "C:\\Users\\Admin\\yaoxe.exe /n" yaoxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaoxe = "C:\\Users\\Admin\\yaoxe.exe /v" yaoxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaoxe = "C:\\Users\\Admin\\yaoxe.exe /c" yaoxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaoxe = "C:\\Users\\Admin\\yaoxe.exe /f" yaoxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaoxe = "C:\\Users\\Admin\\yaoxe.exe /l" 8b9774b9248cb3651596e5888d1e307beeb4e5b6411ab195f56ff60ce8741a93.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaoxe = "C:\\Users\\Admin\\yaoxe.exe /j" yaoxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaoxe = "C:\\Users\\Admin\\yaoxe.exe /l" yaoxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaoxe = "C:\\Users\\Admin\\yaoxe.exe /o" yaoxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaoxe = "C:\\Users\\Admin\\yaoxe.exe /i" yaoxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaoxe = "C:\\Users\\Admin\\yaoxe.exe /x" yaoxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaoxe = "C:\\Users\\Admin\\yaoxe.exe /u" yaoxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaoxe = "C:\\Users\\Admin\\yaoxe.exe /p" yaoxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaoxe = "C:\\Users\\Admin\\yaoxe.exe /d" yaoxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaoxe = "C:\\Users\\Admin\\yaoxe.exe /k" yaoxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaoxe = "C:\\Users\\Admin\\yaoxe.exe /b" yaoxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaoxe = "C:\\Users\\Admin\\yaoxe.exe /y" yaoxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaoxe = "C:\\Users\\Admin\\yaoxe.exe /s" yaoxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaoxe = "C:\\Users\\Admin\\yaoxe.exe /h" yaoxe.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 1360 8b9774b9248cb3651596e5888d1e307beeb4e5b6411ab195f56ff60ce8741a93.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe 872 yaoxe.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1360 8b9774b9248cb3651596e5888d1e307beeb4e5b6411ab195f56ff60ce8741a93.exe 872 yaoxe.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1360 wrote to memory of 872 1360 8b9774b9248cb3651596e5888d1e307beeb4e5b6411ab195f56ff60ce8741a93.exe 27 PID 1360 wrote to memory of 872 1360 8b9774b9248cb3651596e5888d1e307beeb4e5b6411ab195f56ff60ce8741a93.exe 27 PID 1360 wrote to memory of 872 1360 8b9774b9248cb3651596e5888d1e307beeb4e5b6411ab195f56ff60ce8741a93.exe 27 PID 1360 wrote to memory of 872 1360 8b9774b9248cb3651596e5888d1e307beeb4e5b6411ab195f56ff60ce8741a93.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\8b9774b9248cb3651596e5888d1e307beeb4e5b6411ab195f56ff60ce8741a93.exe"C:\Users\Admin\AppData\Local\Temp\8b9774b9248cb3651596e5888d1e307beeb4e5b6411ab195f56ff60ce8741a93.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:1360 -
C:\Users\Admin\yaoxe.exe"C:\Users\Admin\yaoxe.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:872
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
112KB
MD510d704af27060c54dbd96096cc636c9a
SHA12c91997df264abfc571336cad7612550b82025a0
SHA256b5985ad71e46254bf784bb12baf9db337032992d4e45b727484b7198e1ef4c1d
SHA512fb5fe427a362dd6d9b5d858bf9da0a97131856413b65c2e158ef669f511c99e76fe6be4729d5e162820fa087d8ff479f52575a343aa80deabe40b5d4c262f2c6
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Filesize
112KB
MD510d704af27060c54dbd96096cc636c9a
SHA12c91997df264abfc571336cad7612550b82025a0
SHA256b5985ad71e46254bf784bb12baf9db337032992d4e45b727484b7198e1ef4c1d
SHA512fb5fe427a362dd6d9b5d858bf9da0a97131856413b65c2e158ef669f511c99e76fe6be4729d5e162820fa087d8ff479f52575a343aa80deabe40b5d4c262f2c6
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Filesize
112KB
MD510d704af27060c54dbd96096cc636c9a
SHA12c91997df264abfc571336cad7612550b82025a0
SHA256b5985ad71e46254bf784bb12baf9db337032992d4e45b727484b7198e1ef4c1d
SHA512fb5fe427a362dd6d9b5d858bf9da0a97131856413b65c2e158ef669f511c99e76fe6be4729d5e162820fa087d8ff479f52575a343aa80deabe40b5d4c262f2c6
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Filesize
112KB
MD510d704af27060c54dbd96096cc636c9a
SHA12c91997df264abfc571336cad7612550b82025a0
SHA256b5985ad71e46254bf784bb12baf9db337032992d4e45b727484b7198e1ef4c1d
SHA512fb5fe427a362dd6d9b5d858bf9da0a97131856413b65c2e158ef669f511c99e76fe6be4729d5e162820fa087d8ff479f52575a343aa80deabe40b5d4c262f2c6