Analysis
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max time kernel
147s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 15:36
Static task
static1
Behavioral task
behavioral1
Sample
71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exe
Resource
win10v2004-20220812-en
General
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Target
71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exe
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Size
734KB
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MD5
1fe5b25b477190b9aad3d04c4220077e
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SHA1
55b4b11bbffe885d5fcc54d4fdf5faf2f7aa0883
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SHA256
71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819
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SHA512
26e51147e63c66372919458782666a2e955c03cc7651ee816b2e1ba0ad1b817707801fcdf97c15a0b88a0800ece5f05b5e211f2419f84a518e10c1d729dbd855
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SSDEEP
12288:UsA1mIRjZp9IyTFCMXSWEOIsgsg+8nS+K7u4k6ufmOQ/dcMFT9D+X2cXQx9:UsnIPp9IyTFC00OIswnS+6u4ktOOQeMV
Malware Config
Signatures
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Modifies system executable filetype association 2 TTPs 1 IoCs
Processes:
71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" 71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exe -
Modifies Installed Components in the registry 2 TTPs 2 IoCs
Processes:
71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{B41D358A-8B9A-11D5-EBA1-F78EEEEEE983} 71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{B41D358A-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msgbv32.exe" 71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" 71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" 71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exe -
Drops file in System32 directory 6 IoCs
Processes:
71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exedescription ioc process File created C:\Windows\SysWOW64\vcl32.exe 71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exe File opened for modification C:\Windows\SysWOW64\vcl32.exe 71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exe File created C:\Windows\SysWOW64\msgbv32.exe 71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exe File opened for modification C:\Windows\SysWOW64\msgbv32.exe 71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exe File created C:\Windows\SysWOW64\concp32.exe 71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exe File opened for modification C:\Windows\SysWOW64\concp32.exe 71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4920 1708 WerFault.exe 71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exe -
Modifies registry class 5 IoCs
Processes:
71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exedescription ioc process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B41D358A-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 0b26ceb0c0e976de99291450dad11d8c 71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" 71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B41D358A-8B9A-11D5-EBA1-F78EEEEEE983} 71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B41D358A-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32 71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B41D358A-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9 71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exepid process 1708 71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.exe"C:\Users\Admin\AppData\Local\Temp\71eb93441deae2ddf1a4dccbea9a32885d94e3b9d19ea39e52771c4c6181a819.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:1708 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 7762⤵
- Program crash
PID:4920
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1708 -ip 17081⤵PID:4304