Analysis
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max time kernel
143s -
max time network
50s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 15:37
Static task
static1
Behavioral task
behavioral1
Sample
3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe
Resource
win10v2004-20220812-en
General
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Target
3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe
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Size
688KB
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MD5
9860857ae826db539e9b7ee6aac5a45f
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SHA1
731182257ec3679e4c98bd1d6bab868bfc67f7b0
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SHA256
3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28
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SHA512
6342546c1a7fdd6f41fb43a3a9fda7de044fa9cc470195be638986e5adabb623cb136569a9234c99ed495b7118fbfbcd69b8caed31dca2ab0cf460a8052e4c61
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SSDEEP
12288:UsAqMGHGSX1388BxGpDVzUm9AzO+nhuTO6OUHvgTqShXNirBDVO4ZRPyk:UsBbWHzUmxPBD4TqCo84ZRKk
Malware Config
Signatures
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Modifies system executable filetype association 2 TTPs 2 IoCs
Processes:
svchost.exe3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" 3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe -
Executes dropped EXE 1 IoCs
Processes:
svchost.exepid process 1928 svchost.exe -
Modifies Installed Components in the registry 2 TTPs 4 IoCs
Processes:
svchost.exe3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{C9E9A21D-8B9A-11D5-EBA1-F78EEEEEE983} svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{C9E9A21D-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mshjm32.exe" svchost.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{C9E9A21D-8B9A-11D5-EBA1-F78EEEEEE983} 3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{C9E9A21D-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mshjm32.exe" 3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
svchost.exe3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" 3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" 3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" svchost.exe -
Drops file in System32 directory 6 IoCs
Processes:
3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exedescription ioc process File created C:\Windows\SysWOW64\concp32.exe 3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe File opened for modification C:\Windows\SysWOW64\concp32.exe 3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe File created C:\Windows\SysWOW64\vcl32.exe 3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe File opened for modification C:\Windows\SysWOW64\vcl32.exe 3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe File created C:\Windows\SysWOW64\mshjm32.exe 3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe File opened for modification C:\Windows\SysWOW64\mshjm32.exe 3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe -
Drops file in Windows directory 2 IoCs
Processes:
3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exedescription ioc process File created C:\Windows\svchost.exe 3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe File opened for modification C:\Windows\svchost.exe 3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe -
Modifies registry class 12 IoCs
Processes:
3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exesvchost.exedescription ioc process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C9E9A21D-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9 3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C9E9A21D-8B9A-11D5-EBA1-F78EEEEEE983}\ax = f20d95b7ba847fd1d2faf3e0393c7cd1 3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C9E9A21D-8B9A-11D5-EBA1-F78EEEEEE983} 3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C9E9A21D-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32 3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C9E9A21D-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32 svchost.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C9E9A21D-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f svchost.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C9E9A21D-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226 svchost.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C9E9A21D-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4 svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C9E9A21D-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165" svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" 3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C9E9A21D-8B9A-11D5-EBA1-F78EEEEEE983} svchost.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exepid process 1444 3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exedescription pid process target process PID 1444 wrote to memory of 1928 1444 3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe svchost.exe PID 1444 wrote to memory of 1928 1444 3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe svchost.exe PID 1444 wrote to memory of 1928 1444 3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe svchost.exe PID 1444 wrote to memory of 1928 1444 3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.exe"C:\Users\Admin\AppData\Local\Temp\3a7c0ff1fae39363406c8004af71cea88d205a7854b60cde2b84cfe9dd435a28.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:1444 -
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:1928
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
690KB
MD585c857e0a66f339aa4a14e4b0803ddbd
SHA14074cefb1e99d502a01d528d265d24b168c137b5
SHA256f060f352bea3256c394b918ab76af7c205696eb9a781c2c53a75c2d52bf7e1d0
SHA5123dc38300a46a0a248df4ffbcfac0589d99e79a913048501f9d8e003bdfe6c51fcfcf7873fe1379c68ff1b2d56a0bc5264ff3e9440c7e495de5883afbbb7e9dd0