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Analysis
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max time kernel
153s -
max time network
176s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
06/11/2022, 15:24
Static task
static1
Behavioral task
behavioral1
Sample
e393246e0ed7a430571bad730d71366bd0f90bcbd3defae6225e73ddffac81a6.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
e393246e0ed7a430571bad730d71366bd0f90bcbd3defae6225e73ddffac81a6.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
e393246e0ed7a430571bad730d71366bd0f90bcbd3defae6225e73ddffac81a6.exe
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Size
228KB
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MD5
087ec45e852227afab2837ff56c98b09
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SHA1
59162f8cbf9a08abfb3f08a58d734c711e6de4f9
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SHA256
e393246e0ed7a430571bad730d71366bd0f90bcbd3defae6225e73ddffac81a6
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SHA512
6bd68b85f738b33dc6f71bb237366237056550c40afdc3a6571e5b5a6ef3ce33a5a0783aa2b4ca69a764bd1e63aa4811c06769a22a2ab08f822038ef84ae302d
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SSDEEP
6144:wmo3PFKs7aFwKWwalhrEqxF6snji81RUinKZHg/7S5:wmSPhAmZIH+78
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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" e393246e0ed7a430571bad730d71366bd0f90bcbd3defae6225e73ddffac81a6.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ciauviw.exe -
Executes dropped EXE 1 IoCs
pid Process 4924 ciauviw.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation e393246e0ed7a430571bad730d71366bd0f90bcbd3defae6225e73ddffac81a6.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciauviw = "C:\\Users\\Admin\\ciauviw.exe /l" ciauviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciauviw = "C:\\Users\\Admin\\ciauviw.exe /j" e393246e0ed7a430571bad730d71366bd0f90bcbd3defae6225e73ddffac81a6.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciauviw = "C:\\Users\\Admin\\ciauviw.exe /k" ciauviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciauviw = "C:\\Users\\Admin\\ciauviw.exe /s" ciauviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciauviw = "C:\\Users\\Admin\\ciauviw.exe /c" ciauviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciauviw = "C:\\Users\\Admin\\ciauviw.exe /o" ciauviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciauviw = "C:\\Users\\Admin\\ciauviw.exe /h" ciauviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciauviw = "C:\\Users\\Admin\\ciauviw.exe /i" ciauviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciauviw = "C:\\Users\\Admin\\ciauviw.exe /f" ciauviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciauviw = "C:\\Users\\Admin\\ciauviw.exe /m" ciauviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciauviw = "C:\\Users\\Admin\\ciauviw.exe /p" ciauviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciauviw = "C:\\Users\\Admin\\ciauviw.exe /w" ciauviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciauviw = "C:\\Users\\Admin\\ciauviw.exe /e" ciauviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciauviw = "C:\\Users\\Admin\\ciauviw.exe /n" ciauviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciauviw = "C:\\Users\\Admin\\ciauviw.exe /t" ciauviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciauviw = "C:\\Users\\Admin\\ciauviw.exe /q" ciauviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciauviw = "C:\\Users\\Admin\\ciauviw.exe /g" ciauviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciauviw = "C:\\Users\\Admin\\ciauviw.exe /d" ciauviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciauviw = "C:\\Users\\Admin\\ciauviw.exe /r" ciauviw.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ ciauviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciauviw = "C:\\Users\\Admin\\ciauviw.exe /y" ciauviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciauviw = "C:\\Users\\Admin\\ciauviw.exe /b" ciauviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciauviw = "C:\\Users\\Admin\\ciauviw.exe /x" ciauviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciauviw = "C:\\Users\\Admin\\ciauviw.exe /z" ciauviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciauviw = "C:\\Users\\Admin\\ciauviw.exe /u" ciauviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciauviw = "C:\\Users\\Admin\\ciauviw.exe /a" ciauviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciauviw = "C:\\Users\\Admin\\ciauviw.exe /j" ciauviw.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ e393246e0ed7a430571bad730d71366bd0f90bcbd3defae6225e73ddffac81a6.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ciauviw = "C:\\Users\\Admin\\ciauviw.exe /v" ciauviw.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 928 e393246e0ed7a430571bad730d71366bd0f90bcbd3defae6225e73ddffac81a6.exe 928 e393246e0ed7a430571bad730d71366bd0f90bcbd3defae6225e73ddffac81a6.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe 4924 ciauviw.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 928 e393246e0ed7a430571bad730d71366bd0f90bcbd3defae6225e73ddffac81a6.exe 4924 ciauviw.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 928 wrote to memory of 4924 928 e393246e0ed7a430571bad730d71366bd0f90bcbd3defae6225e73ddffac81a6.exe 81 PID 928 wrote to memory of 4924 928 e393246e0ed7a430571bad730d71366bd0f90bcbd3defae6225e73ddffac81a6.exe 81 PID 928 wrote to memory of 4924 928 e393246e0ed7a430571bad730d71366bd0f90bcbd3defae6225e73ddffac81a6.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\e393246e0ed7a430571bad730d71366bd0f90bcbd3defae6225e73ddffac81a6.exe"C:\Users\Admin\AppData\Local\Temp\e393246e0ed7a430571bad730d71366bd0f90bcbd3defae6225e73ddffac81a6.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:928 -
C:\Users\Admin\ciauviw.exe"C:\Users\Admin\ciauviw.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:4924
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
228KB
MD56453b548da76d8e4c5ebe6913a61f560
SHA17a1455d9b3178371b52fba4e700f0f4c2e0262b0
SHA2563ae8d44bf81caf3ebf156ef87a886cd88a86c1cf01422b4d59079e5262313bf6
SHA512836cbf39d84fa4373f1e4aba0d211c1a37b09aa24dc1a3ff99b005179f05ac9b3697579d07ed61c5187d5e97cce92043e764fb2395f7e05d3fae331b46be9434
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Filesize
228KB
MD56453b548da76d8e4c5ebe6913a61f560
SHA17a1455d9b3178371b52fba4e700f0f4c2e0262b0
SHA2563ae8d44bf81caf3ebf156ef87a886cd88a86c1cf01422b4d59079e5262313bf6
SHA512836cbf39d84fa4373f1e4aba0d211c1a37b09aa24dc1a3ff99b005179f05ac9b3697579d07ed61c5187d5e97cce92043e764fb2395f7e05d3fae331b46be9434