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Analysis
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max time kernel
152s -
max time network
48s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
11/10/2022, 09:04
Static task
static1
Behavioral task
behavioral1
Sample
088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe
Resource
win10v2004-20220812-en
General
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Target
088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe
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Size
626KB
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MD5
66e040a8526314a9047f8b7a57daec27
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SHA1
3e45bb83154d1b618673634e356c398584e248da
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SHA256
088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4
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SHA512
6ddc322339d915fbc721b05cec2d46871f463894b65f5133be381b36e09ff81cd13b2727232338639418d7bf958f2d70468eff99e82393b2a199d1484867a6cc
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SSDEEP
12288:NtKe6Zv23YdqMGHGSX1388BxGVI43GVpinc0wMCgzBcCrrTjN0KyleYhibhC5GNU:d6Zv2jbW1Sac0HC7CrrTyWbhIU8X
Malware Config
Signatures
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Modifies system executable filetype association 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" 088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 960 svchost.exe -
Modifies Installed Components in the registry 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983} svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msama32.exe" svchost.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983} 088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msama32.exe" 088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" 088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" 088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" svchost.exe -
Drops file in System32 directory 6 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\msama32.exe 088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe File created C:\Windows\SysWOW64\concp32.exe 088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe File opened for modification C:\Windows\SysWOW64\concp32.exe 088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe File created C:\Windows\SysWOW64\vcl32.exe 088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe File opened for modification C:\Windows\SysWOW64\vcl32.exe 088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe File created C:\Windows\SysWOW64\msama32.exe 088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\svchost.exe 088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe File opened for modification C:\Windows\svchost.exe 088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe -
Modifies registry class 12 IoCs
description ioc Process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4 svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165" svchost.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9 088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 3b40fa19fbc618ef49062b70c927c461 088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983} svchost.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32 svchost.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226 svchost.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983} 088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32 088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" 088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F278C929-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" svchost.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 832 088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 832 wrote to memory of 960 832 088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe 28 PID 832 wrote to memory of 960 832 088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe 28 PID 832 wrote to memory of 960 832 088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe 28 PID 832 wrote to memory of 960 832 088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe"C:\Users\Admin\AppData\Local\Temp\088d99af9e55aae5600ebdcded3df264193a947d7e44ad6c21e13f2ff7c54ae4.exe"1⤵
- Modifies system executable filetype association
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:832 -
C:\Windows\svchost.exeC:\Windows\svchost.exe2⤵
- Modifies system executable filetype association
- Executes dropped EXE
- Modifies Installed Components in the registry
- Adds Run key to start application
- Modifies registry class
PID:960
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
630KB
MD59e6ab24f618a5c60a6f6d47bb91d33a1
SHA1f47a9000ccf528fa22968b68ed9feffd07d8e452
SHA256938661438543a4ebb86cbc9e11674faedbdfb12d1b1cdd1cb29af1c92c90bbe8
SHA512f5ab8ea0a68075929e01646fb5929b91659f85276f39b7d6ca6560851d2c550e33633555b93b7a783341a00f0e47e80227825da7ef9e5e2f2593bd80c7bbe932