Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 15:35
Static task
static1
Behavioral task
behavioral1
Sample
fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exe
Resource
win10v2004-20221111-en
General
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Target
fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exe
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Size
444KB
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MD5
8c7499b9dd6b719771de30078910b257
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SHA1
ba77ea0b1d6d22f2396c0e3c80fc999331184ed6
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SHA256
fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306
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SHA512
7b4c7ceb4b1cbc5dabfb18ef16feadaeb34239f51a343037932c8477e375ed20c3922b527378c48ccf82dc1b77763dd05eb1ecb30e827bb4c98f973a96e26529
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SSDEEP
6144:MRAhhJxX7bNIFlJYe5hhbc9FTPweCZjIxUNo5goBTIGA8/czPLAQVGJNht:UsA1pbaCZzNUHBEGA80zPLAQVGJNht
Malware Config
Signatures
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Modifies system executable filetype association 2 TTPs 1 IoCs
Processes:
fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exe -
Modifies Installed Components in the registry 2 TTPs 2 IoCs
Processes:
fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{C88B57F3-8B9A-11D5-EBA1-F78EEEEEE983} fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{C88B57F3-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msguf32.exe" fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exe -
Drops file in System32 directory 6 IoCs
Processes:
fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exedescription ioc process File created C:\Windows\SysWOW64\concp32.exe fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exe File opened for modification C:\Windows\SysWOW64\concp32.exe fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exe File created C:\Windows\SysWOW64\vcl32.exe fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exe File opened for modification C:\Windows\SysWOW64\vcl32.exe fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exe File created C:\Windows\SysWOW64\msguf32.exe fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exe File opened for modification C:\Windows\SysWOW64\msguf32.exe fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3008 4216 WerFault.exe fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exe -
Modifies registry class 5 IoCs
Processes:
fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C88B57F3-8B9A-11D5-EBA1-F78EEEEEE983} fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C88B57F3-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32 fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C88B57F3-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9 fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C88B57F3-8B9A-11D5-EBA1-F78EEEEEE983}\ax = cb385b257666dcee6138a5ac48c6454d fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exepid process 4216 fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.exe"C:\Users\Admin\AppData\Local\Temp\fd7aa754b1ca62c58505665dec9a2cd79b0d053c7f89b8f19a7a015cb5ee1306.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:4216 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4216 -s 7282⤵
- Program crash
PID:3008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4216 -ip 42161⤵PID:1992