Analysis
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max time kernel
190s -
max time network
193s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
07/12/2022, 02:35
Static task
static1
Behavioral task
behavioral1
Sample
c1ce9aaf30d5fdf208ec9d38942f16e7a5f897e40a3b5b4921e973ffe0e388f8.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
c1ce9aaf30d5fdf208ec9d38942f16e7a5f897e40a3b5b4921e973ffe0e388f8.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
c1ce9aaf30d5fdf208ec9d38942f16e7a5f897e40a3b5b4921e973ffe0e388f8.exe
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Size
232KB
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MD5
8f567233e0419b2c8dfb886502e52fb3
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SHA1
fd976ca8ae07209e73a834a242563968028abc42
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SHA256
c1ce9aaf30d5fdf208ec9d38942f16e7a5f897e40a3b5b4921e973ffe0e388f8
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SHA512
1201f1e29420aa203e1c2b8da8a750472339859477471913bb0b4b73ad4c8a6e99b47e3d7762d07615a424623294f5c8a7fc48eb1eb3ce5e68258b6cf0d54c1a
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SSDEEP
6144:YB3PFKs7STL6eEqxF6snji81RUinKn3Kt+dNFcSl:GPhPDFcw
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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" c1ce9aaf30d5fdf208ec9d38942f16e7a5f897e40a3b5b4921e973ffe0e388f8.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" weioy.exe -
Executes dropped EXE 1 IoCs
pid Process 4152 weioy.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation c1ce9aaf30d5fdf208ec9d38942f16e7a5f897e40a3b5b4921e973ffe0e388f8.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ c1ce9aaf30d5fdf208ec9d38942f16e7a5f897e40a3b5b4921e973ffe0e388f8.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weioy = "C:\\Users\\Admin\\weioy.exe /q" weioy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weioy = "C:\\Users\\Admin\\weioy.exe /e" weioy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weioy = "C:\\Users\\Admin\\weioy.exe /n" weioy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weioy = "C:\\Users\\Admin\\weioy.exe /a" weioy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weioy = "C:\\Users\\Admin\\weioy.exe /r" weioy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weioy = "C:\\Users\\Admin\\weioy.exe /f" weioy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weioy = "C:\\Users\\Admin\\weioy.exe /p" weioy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weioy = "C:\\Users\\Admin\\weioy.exe /o" weioy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weioy = "C:\\Users\\Admin\\weioy.exe /c" weioy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weioy = "C:\\Users\\Admin\\weioy.exe /h" weioy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weioy = "C:\\Users\\Admin\\weioy.exe /l" weioy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weioy = "C:\\Users\\Admin\\weioy.exe /k" weioy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weioy = "C:\\Users\\Admin\\weioy.exe /m" weioy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weioy = "C:\\Users\\Admin\\weioy.exe /u" weioy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weioy = "C:\\Users\\Admin\\weioy.exe /y" weioy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weioy = "C:\\Users\\Admin\\weioy.exe /s" weioy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weioy = "C:\\Users\\Admin\\weioy.exe /g" weioy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weioy = "C:\\Users\\Admin\\weioy.exe /z" weioy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weioy = "C:\\Users\\Admin\\weioy.exe /w" weioy.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ weioy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weioy = "C:\\Users\\Admin\\weioy.exe /i" weioy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weioy = "C:\\Users\\Admin\\weioy.exe /j" weioy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weioy = "C:\\Users\\Admin\\weioy.exe /v" weioy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weioy = "C:\\Users\\Admin\\weioy.exe /t" weioy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weioy = "C:\\Users\\Admin\\weioy.exe /b" weioy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weioy = "C:\\Users\\Admin\\weioy.exe /d" weioy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weioy = "C:\\Users\\Admin\\weioy.exe /e" c1ce9aaf30d5fdf208ec9d38942f16e7a5f897e40a3b5b4921e973ffe0e388f8.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weioy = "C:\\Users\\Admin\\weioy.exe /x" weioy.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 2996 c1ce9aaf30d5fdf208ec9d38942f16e7a5f897e40a3b5b4921e973ffe0e388f8.exe 2996 c1ce9aaf30d5fdf208ec9d38942f16e7a5f897e40a3b5b4921e973ffe0e388f8.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe 4152 weioy.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2996 c1ce9aaf30d5fdf208ec9d38942f16e7a5f897e40a3b5b4921e973ffe0e388f8.exe 4152 weioy.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2996 wrote to memory of 4152 2996 c1ce9aaf30d5fdf208ec9d38942f16e7a5f897e40a3b5b4921e973ffe0e388f8.exe 83 PID 2996 wrote to memory of 4152 2996 c1ce9aaf30d5fdf208ec9d38942f16e7a5f897e40a3b5b4921e973ffe0e388f8.exe 83 PID 2996 wrote to memory of 4152 2996 c1ce9aaf30d5fdf208ec9d38942f16e7a5f897e40a3b5b4921e973ffe0e388f8.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\c1ce9aaf30d5fdf208ec9d38942f16e7a5f897e40a3b5b4921e973ffe0e388f8.exe"C:\Users\Admin\AppData\Local\Temp\c1ce9aaf30d5fdf208ec9d38942f16e7a5f897e40a3b5b4921e973ffe0e388f8.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2996 -
C:\Users\Admin\weioy.exe"C:\Users\Admin\weioy.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:4152
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
232KB
MD5e8fac1c1027c939f4c75a49c8b0933cd
SHA11c223749ec98a45345f23454ca85f89ea83eb037
SHA2564df31f6bf47e11b2543951455a03c451f5ce3bd7789350e1e1bb0cae1783c41e
SHA512d94a621e89781cd3ae430789fa432fde45dddfaca74759e1f050ad8fff81f3fea48d7db6bc7da1cd42499261d63d6a1c17050f91210062097c3b1651f60e9329
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Filesize
232KB
MD5e8fac1c1027c939f4c75a49c8b0933cd
SHA11c223749ec98a45345f23454ca85f89ea83eb037
SHA2564df31f6bf47e11b2543951455a03c451f5ce3bd7789350e1e1bb0cae1783c41e
SHA512d94a621e89781cd3ae430789fa432fde45dddfaca74759e1f050ad8fff81f3fea48d7db6bc7da1cd42499261d63d6a1c17050f91210062097c3b1651f60e9329