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Analysis
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max time kernel
364s -
max time network
381s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
27/11/2022, 19:32
Static task
static1
Behavioral task
behavioral1
Sample
3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe
Resource
win10v2004-20221111-en
General
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Target
3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe
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Size
407KB
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MD5
5310057c4dd36496fbf3c99c47f000e0
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SHA1
0109272e442ad0f0d8efea011037594e3d5ca61f
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SHA256
3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715
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SHA512
85ea6fbcf93dc69a118b88023a95a19a7326a96f0b6aaecb646aa4aae5f49cfcb808c7890754248eaef095d14db59de43fd4267dfbfdff7706352c6be13dee12
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SSDEEP
6144:MRAhhJxX7bNINTf4cC05nh+H0VSX138j/AB8uGVILSY4noXCeVf0CNf5SvG:UsAqMGHGSX1388BxGVILSY4oSe5/5L
Malware Config
Signatures
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Modifies system executable filetype association 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" 3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe -
Modifies Installed Components in the registry 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{53FF2899-8B9A-11D5-EBA1-F78EEEEEE983} 3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{53FF2899-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mstrn32.exe" 3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" 3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" 3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe -
Drops file in System32 directory 6 IoCs
description ioc Process File created C:\Windows\SysWOW64\concp32.exe 3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe File opened for modification C:\Windows\SysWOW64\concp32.exe 3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe File created C:\Windows\SysWOW64\vcl32.exe 3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe File opened for modification C:\Windows\SysWOW64\vcl32.exe 3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe File created C:\Windows\SysWOW64\mstrn32.exe 3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe File opened for modification C:\Windows\SysWOW64\mstrn32.exe 3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4348 1960 WerFault.exe 80 -
Modifies registry class 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" 3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{53FF2899-8B9A-11D5-EBA1-F78EEEEEE983} 3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{53FF2899-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32 3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{53FF2899-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3 3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{53FF2899-8B9A-11D5-EBA1-F78EEEEEE983}\ax = f031a373ee76369ab033b4ac6f1f2261 3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1960 3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe"C:\Users\Admin\AppData\Local\Temp\3fa4bccd99729936f068ac5205faa52ac1fde151a65740cdce73f05d7511c715.exe"1⤵
- Modifies system executable filetype association
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:1960 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1960 -s 7362⤵
- Program crash
PID:4348
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1960 -ip 19601⤵PID:3044