Analysis
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max time kernel
150s -
max time network
53s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
03/12/2022, 01:09
Static task
static1
Behavioral task
behavioral1
Sample
968172c710edb2c66b597d770962013b586858dca225c285bd90fa866ce32633.exe
Resource
win7-20220901-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
968172c710edb2c66b597d770962013b586858dca225c285bd90fa866ce32633.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
968172c710edb2c66b597d770962013b586858dca225c285bd90fa866ce32633.exe
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Size
152KB
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MD5
b51a1b1a633b194a08c54870b7180041
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SHA1
d76cd27522e2cce189097fe5c445784a341d4dfd
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SHA256
968172c710edb2c66b597d770962013b586858dca225c285bd90fa866ce32633
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SHA512
4ece6d028abaa47a53dd928fcb533e3798388cbbcebeb150fb38ada3a42d404e50876ff48e0165882d1691ea990f4c9a54b4d3ba18dc0d902b263f88ccdf6374
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SSDEEP
1536:SmDam3zfDju3zWlnyaPSHJic7AqVJVhEGTLDARcfSxam9bHsAcNFvbFw9FCioZoK:3aeTDju3zWQj026GTLURiSEhSqky
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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 968172c710edb2c66b597d770962013b586858dca225c285bd90fa866ce32633.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" quajoi.exe -
Executes dropped EXE 1 IoCs
pid Process 840 quajoi.exe -
Loads dropped DLL 2 IoCs
pid Process 1544 968172c710edb2c66b597d770962013b586858dca225c285bd90fa866ce32633.exe 1544 968172c710edb2c66b597d770962013b586858dca225c285bd90fa866ce32633.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\quajoi = "C:\\Users\\Admin\\quajoi.exe /k" 968172c710edb2c66b597d770962013b586858dca225c285bd90fa866ce32633.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\quajoi = "C:\\Users\\Admin\\quajoi.exe /x" quajoi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\quajoi = "C:\\Users\\Admin\\quajoi.exe /p" quajoi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\quajoi = "C:\\Users\\Admin\\quajoi.exe /g" quajoi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\quajoi = "C:\\Users\\Admin\\quajoi.exe /e" quajoi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\quajoi = "C:\\Users\\Admin\\quajoi.exe /s" quajoi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\quajoi = "C:\\Users\\Admin\\quajoi.exe /h" quajoi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\quajoi = "C:\\Users\\Admin\\quajoi.exe /j" quajoi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\quajoi = "C:\\Users\\Admin\\quajoi.exe /t" quajoi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\quajoi = "C:\\Users\\Admin\\quajoi.exe /y" quajoi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\quajoi = "C:\\Users\\Admin\\quajoi.exe /o" quajoi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\quajoi = "C:\\Users\\Admin\\quajoi.exe /r" quajoi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\quajoi = "C:\\Users\\Admin\\quajoi.exe /l" quajoi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\quajoi = "C:\\Users\\Admin\\quajoi.exe /m" quajoi.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ quajoi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\quajoi = "C:\\Users\\Admin\\quajoi.exe /k" quajoi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\quajoi = "C:\\Users\\Admin\\quajoi.exe /z" quajoi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\quajoi = "C:\\Users\\Admin\\quajoi.exe /q" quajoi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\quajoi = "C:\\Users\\Admin\\quajoi.exe /a" quajoi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\quajoi = "C:\\Users\\Admin\\quajoi.exe /v" quajoi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\quajoi = "C:\\Users\\Admin\\quajoi.exe /w" quajoi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\quajoi = "C:\\Users\\Admin\\quajoi.exe /b" quajoi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\quajoi = "C:\\Users\\Admin\\quajoi.exe /d" quajoi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\quajoi = "C:\\Users\\Admin\\quajoi.exe /n" quajoi.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 968172c710edb2c66b597d770962013b586858dca225c285bd90fa866ce32633.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\quajoi = "C:\\Users\\Admin\\quajoi.exe /c" quajoi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\quajoi = "C:\\Users\\Admin\\quajoi.exe /f" quajoi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\quajoi = "C:\\Users\\Admin\\quajoi.exe /i" quajoi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\quajoi = "C:\\Users\\Admin\\quajoi.exe /u" quajoi.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
pid pid_target Process procid_target 1280 1544 WerFault.exe 25 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1544 968172c710edb2c66b597d770962013b586858dca225c285bd90fa866ce32633.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe 840 quajoi.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1544 968172c710edb2c66b597d770962013b586858dca225c285bd90fa866ce32633.exe 840 quajoi.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1544 wrote to memory of 840 1544 968172c710edb2c66b597d770962013b586858dca225c285bd90fa866ce32633.exe 26 PID 1544 wrote to memory of 840 1544 968172c710edb2c66b597d770962013b586858dca225c285bd90fa866ce32633.exe 26 PID 1544 wrote to memory of 840 1544 968172c710edb2c66b597d770962013b586858dca225c285bd90fa866ce32633.exe 26 PID 1544 wrote to memory of 840 1544 968172c710edb2c66b597d770962013b586858dca225c285bd90fa866ce32633.exe 26 PID 1544 wrote to memory of 1280 1544 968172c710edb2c66b597d770962013b586858dca225c285bd90fa866ce32633.exe 27 PID 1544 wrote to memory of 1280 1544 968172c710edb2c66b597d770962013b586858dca225c285bd90fa866ce32633.exe 27 PID 1544 wrote to memory of 1280 1544 968172c710edb2c66b597d770962013b586858dca225c285bd90fa866ce32633.exe 27 PID 1544 wrote to memory of 1280 1544 968172c710edb2c66b597d770962013b586858dca225c285bd90fa866ce32633.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\968172c710edb2c66b597d770962013b586858dca225c285bd90fa866ce32633.exe"C:\Users\Admin\AppData\Local\Temp\968172c710edb2c66b597d770962013b586858dca225c285bd90fa866ce32633.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:1544 -
C:\Users\Admin\quajoi.exe"C:\Users\Admin\quajoi.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:840
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 7562⤵
- Program crash
PID:1280
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
152KB
MD509beabce9ac87ca0666740dc6b47e53e
SHA10b2bfefc8535becd8c9a9c2fb14344d05270a8fc
SHA256fa09c64c7450c9b26e9fca42f1613df5bd95b6eee5fbd15c71b4eb27e39a3b2c
SHA5129ea0acac81fd2a4a702e7cff9f524aaae8c6a833151405488df452a2d082bdee0202747012bf865f97189a5931728d98efda8777ae13d9fa82cef7b7a1dbaedc
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Filesize
152KB
MD509beabce9ac87ca0666740dc6b47e53e
SHA10b2bfefc8535becd8c9a9c2fb14344d05270a8fc
SHA256fa09c64c7450c9b26e9fca42f1613df5bd95b6eee5fbd15c71b4eb27e39a3b2c
SHA5129ea0acac81fd2a4a702e7cff9f524aaae8c6a833151405488df452a2d082bdee0202747012bf865f97189a5931728d98efda8777ae13d9fa82cef7b7a1dbaedc
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Filesize
152KB
MD509beabce9ac87ca0666740dc6b47e53e
SHA10b2bfefc8535becd8c9a9c2fb14344d05270a8fc
SHA256fa09c64c7450c9b26e9fca42f1613df5bd95b6eee5fbd15c71b4eb27e39a3b2c
SHA5129ea0acac81fd2a4a702e7cff9f524aaae8c6a833151405488df452a2d082bdee0202747012bf865f97189a5931728d98efda8777ae13d9fa82cef7b7a1dbaedc
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Filesize
152KB
MD509beabce9ac87ca0666740dc6b47e53e
SHA10b2bfefc8535becd8c9a9c2fb14344d05270a8fc
SHA256fa09c64c7450c9b26e9fca42f1613df5bd95b6eee5fbd15c71b4eb27e39a3b2c
SHA5129ea0acac81fd2a4a702e7cff9f524aaae8c6a833151405488df452a2d082bdee0202747012bf865f97189a5931728d98efda8777ae13d9fa82cef7b7a1dbaedc