Analysis
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max time kernel
150s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
30-10-2022 06:01
Static task
static1
Behavioral task
behavioral1
Sample
a114b5d66ed374216e50ff20644dd019871e8caa2d4a18a9f61c91fc4c2b1a0b.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
a114b5d66ed374216e50ff20644dd019871e8caa2d4a18a9f61c91fc4c2b1a0b.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
a114b5d66ed374216e50ff20644dd019871e8caa2d4a18a9f61c91fc4c2b1a0b.exe
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Size
196KB
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MD5
93aec714e00f2aec35d5918f99a96e42
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SHA1
53e977d960b5976ca69649f834e733e1e6bff1d2
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SHA256
a114b5d66ed374216e50ff20644dd019871e8caa2d4a18a9f61c91fc4c2b1a0b
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SHA512
df457844a6320b36c285821eb17df8c1a88c08c813e83831b53448a3231365762c2dc0be7afe4b840f514690841f6c1b76d65c662f71011f1eb3e76af6f7f0a9
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SSDEEP
6144:t3ayGHLLU6Pr7FXlbWc3PuV/rvGXUf39GZjJ21OhCJiviq2YWDppF7eP:t3+Pr7FXlbWc3PuV/r+XUf39GZjJ21Or
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" a114b5d66ed374216e50ff20644dd019871e8caa2d4a18a9f61c91fc4c2b1a0b.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" vuayi.exe -
Executes dropped EXE 1 IoCs
pid Process 1708 vuayi.exe -
Loads dropped DLL 2 IoCs
pid Process 852 a114b5d66ed374216e50ff20644dd019871e8caa2d4a18a9f61c91fc4c2b1a0b.exe 852 a114b5d66ed374216e50ff20644dd019871e8caa2d4a18a9f61c91fc4c2b1a0b.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /k" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /z" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /N" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /j" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /x" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /s" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /C" vuayi.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /e" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /p" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /B" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /d" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /n" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /b" a114b5d66ed374216e50ff20644dd019871e8caa2d4a18a9f61c91fc4c2b1a0b.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /b" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /r" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /H" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /S" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /o" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /V" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /a" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /Y" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /q" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /m" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /D" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /K" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /f" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /Q" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /w" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /i" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /g" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /L" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /X" vuayi.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ a114b5d66ed374216e50ff20644dd019871e8caa2d4a18a9f61c91fc4c2b1a0b.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /M" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /t" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /W" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /O" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /A" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /c" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /F" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /R" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /J" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /v" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /T" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /G" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /u" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /y" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /E" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /h" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /P" vuayi.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuayi = "C:\\Users\\Admin\\vuayi.exe /l" vuayi.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 852 a114b5d66ed374216e50ff20644dd019871e8caa2d4a18a9f61c91fc4c2b1a0b.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe 1708 vuayi.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 852 a114b5d66ed374216e50ff20644dd019871e8caa2d4a18a9f61c91fc4c2b1a0b.exe 1708 vuayi.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 852 wrote to memory of 1708 852 a114b5d66ed374216e50ff20644dd019871e8caa2d4a18a9f61c91fc4c2b1a0b.exe 27 PID 852 wrote to memory of 1708 852 a114b5d66ed374216e50ff20644dd019871e8caa2d4a18a9f61c91fc4c2b1a0b.exe 27 PID 852 wrote to memory of 1708 852 a114b5d66ed374216e50ff20644dd019871e8caa2d4a18a9f61c91fc4c2b1a0b.exe 27 PID 852 wrote to memory of 1708 852 a114b5d66ed374216e50ff20644dd019871e8caa2d4a18a9f61c91fc4c2b1a0b.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\a114b5d66ed374216e50ff20644dd019871e8caa2d4a18a9f61c91fc4c2b1a0b.exe"C:\Users\Admin\AppData\Local\Temp\a114b5d66ed374216e50ff20644dd019871e8caa2d4a18a9f61c91fc4c2b1a0b.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:852 -
C:\Users\Admin\vuayi.exe"C:\Users\Admin\vuayi.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:1708
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
196KB
MD566f6507f3514ea211d95e90d3e772af1
SHA1a9ecd74fe05ddbf681baf8a17bfb399dc62fbe09
SHA256f22134a54b5cdce657816f5e2aec447c63ffca4a2c6898845d8dc133f0dde1cb
SHA5122e2ca97a69e68f27878007e734f03d0828303ef3faadadc6207ee72d2fa14edb9b17abfaf992098f65ecc74e61ecf0ad839fe25e731ffe2758ea2e452db00332
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Filesize
196KB
MD566f6507f3514ea211d95e90d3e772af1
SHA1a9ecd74fe05ddbf681baf8a17bfb399dc62fbe09
SHA256f22134a54b5cdce657816f5e2aec447c63ffca4a2c6898845d8dc133f0dde1cb
SHA5122e2ca97a69e68f27878007e734f03d0828303ef3faadadc6207ee72d2fa14edb9b17abfaf992098f65ecc74e61ecf0ad839fe25e731ffe2758ea2e452db00332
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Filesize
196KB
MD566f6507f3514ea211d95e90d3e772af1
SHA1a9ecd74fe05ddbf681baf8a17bfb399dc62fbe09
SHA256f22134a54b5cdce657816f5e2aec447c63ffca4a2c6898845d8dc133f0dde1cb
SHA5122e2ca97a69e68f27878007e734f03d0828303ef3faadadc6207ee72d2fa14edb9b17abfaf992098f65ecc74e61ecf0ad839fe25e731ffe2758ea2e452db00332
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Filesize
196KB
MD566f6507f3514ea211d95e90d3e772af1
SHA1a9ecd74fe05ddbf681baf8a17bfb399dc62fbe09
SHA256f22134a54b5cdce657816f5e2aec447c63ffca4a2c6898845d8dc133f0dde1cb
SHA5122e2ca97a69e68f27878007e734f03d0828303ef3faadadc6207ee72d2fa14edb9b17abfaf992098f65ecc74e61ecf0ad839fe25e731ffe2758ea2e452db00332