Analysis
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max time kernel
149s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
25-11-2022 08:02
Static task
static1
Behavioral task
behavioral1
Sample
3c2a05de8bda2667a7b2d8fd7b5c83cc8700fe4f538068b9833a92a65f4f4473.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
3c2a05de8bda2667a7b2d8fd7b5c83cc8700fe4f538068b9833a92a65f4f4473.exe
Resource
win10v2004-20221111-en
General
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Target
3c2a05de8bda2667a7b2d8fd7b5c83cc8700fe4f538068b9833a92a65f4f4473.exe
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Size
96KB
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MD5
27ff32c344a76c1edb3162c29a935939
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SHA1
98205461d906246f98ddee08239f2249b2bff653
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SHA256
3c2a05de8bda2667a7b2d8fd7b5c83cc8700fe4f538068b9833a92a65f4f4473
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SHA512
57c4bb753e9a70dd11106b3768ea0da7be23f00c6134c987db7c9e01f4b4f36bddadac81cfec3891f202128107e00c5be91f4003bf036b8ea60dd7682234bb6c
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SSDEEP
1536:d/BmvfcnC2ph7jQR5MFoiZEtOUmatVKlXjO7HUEotQtGDewYWe3:d/2uje5MFoFClXS7EQtGDDDm
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
hack.exepid process 1732 hack.exe -
Deletes itself 1 IoCs
Processes:
hack.exepid process 1732 hack.exe -
Drops startup file 2 IoCs
Processes:
hack.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9ItHYvJ9xbT92kb7TfLEZnvR93f.exe hack.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9ItHYvJ9xbT92kb7TfLEZnvR93f.exe hack.exe -
Loads dropped DLL 1 IoCs
Processes:
3c2a05de8bda2667a7b2d8fd7b5c83cc8700fe4f538068b9833a92a65f4f4473.exepid process 1632 3c2a05de8bda2667a7b2d8fd7b5c83cc8700fe4f538068b9833a92a65f4f4473.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
hack.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hack = "C:\\Users\\Admin\\AppData\\Roaming\\Micro\\hack.exe" hack.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
3c2a05de8bda2667a7b2d8fd7b5c83cc8700fe4f538068b9833a92a65f4f4473.exehack.exedescription pid process Token: SeDebugPrivilege 1632 3c2a05de8bda2667a7b2d8fd7b5c83cc8700fe4f538068b9833a92a65f4f4473.exe Token: SeDebugPrivilege 1732 hack.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
3c2a05de8bda2667a7b2d8fd7b5c83cc8700fe4f538068b9833a92a65f4f4473.exehack.exepid process 1632 3c2a05de8bda2667a7b2d8fd7b5c83cc8700fe4f538068b9833a92a65f4f4473.exe 1732 hack.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
3c2a05de8bda2667a7b2d8fd7b5c83cc8700fe4f538068b9833a92a65f4f4473.exedescription pid process target process PID 1632 wrote to memory of 1732 1632 3c2a05de8bda2667a7b2d8fd7b5c83cc8700fe4f538068b9833a92a65f4f4473.exe hack.exe PID 1632 wrote to memory of 1732 1632 3c2a05de8bda2667a7b2d8fd7b5c83cc8700fe4f538068b9833a92a65f4f4473.exe hack.exe PID 1632 wrote to memory of 1732 1632 3c2a05de8bda2667a7b2d8fd7b5c83cc8700fe4f538068b9833a92a65f4f4473.exe hack.exe PID 1632 wrote to memory of 1732 1632 3c2a05de8bda2667a7b2d8fd7b5c83cc8700fe4f538068b9833a92a65f4f4473.exe hack.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3c2a05de8bda2667a7b2d8fd7b5c83cc8700fe4f538068b9833a92a65f4f4473.exe"C:\Users\Admin\AppData\Local\Temp\3c2a05de8bda2667a7b2d8fd7b5c83cc8700fe4f538068b9833a92a65f4f4473.exe"1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1632 -
C:\Users\Admin\AppData\Roaming\Micro\hack.exe"C:\Users\Admin\AppData\Roaming\Micro\hack.exe"2⤵
- Executes dropped EXE
- Deletes itself
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1732
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\melt.TmpFilesize
102B
MD521da27dcdb607ff3feba99d8f6291431
SHA15d31fac13d7cdc93f1d40d65bed0883adddf4da0
SHA25699dbf46fd1e3451e8844a10f77284bb5f218be984c10da20c03382969d4d43f9
SHA51280a9faf9854ea64976d0661c6727765a22730cf7afff0f323102d64cf6c62642a5e568e29b578da8d1bc76787bf7cab2c605c218ad296687131d8f4ce74deaaf
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C:\Users\Admin\AppData\Roaming\Micro\hack.exeFilesize
96KB
MD527ff32c344a76c1edb3162c29a935939
SHA198205461d906246f98ddee08239f2249b2bff653
SHA2563c2a05de8bda2667a7b2d8fd7b5c83cc8700fe4f538068b9833a92a65f4f4473
SHA51257c4bb753e9a70dd11106b3768ea0da7be23f00c6134c987db7c9e01f4b4f36bddadac81cfec3891f202128107e00c5be91f4003bf036b8ea60dd7682234bb6c
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C:\Users\Admin\AppData\Roaming\Micro\hack.exeFilesize
96KB
MD527ff32c344a76c1edb3162c29a935939
SHA198205461d906246f98ddee08239f2249b2bff653
SHA2563c2a05de8bda2667a7b2d8fd7b5c83cc8700fe4f538068b9833a92a65f4f4473
SHA51257c4bb753e9a70dd11106b3768ea0da7be23f00c6134c987db7c9e01f4b4f36bddadac81cfec3891f202128107e00c5be91f4003bf036b8ea60dd7682234bb6c
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\Users\Admin\AppData\Roaming\Micro\hack.exeFilesize
96KB
MD527ff32c344a76c1edb3162c29a935939
SHA198205461d906246f98ddee08239f2249b2bff653
SHA2563c2a05de8bda2667a7b2d8fd7b5c83cc8700fe4f538068b9833a92a65f4f4473
SHA51257c4bb753e9a70dd11106b3768ea0da7be23f00c6134c987db7c9e01f4b4f36bddadac81cfec3891f202128107e00c5be91f4003bf036b8ea60dd7682234bb6c
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memory/1632-54-0x0000000076BA1000-0x0000000076BA3000-memory.dmpFilesize
8KB
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memory/1632-55-0x0000000074F90000-0x000000007553B000-memory.dmpFilesize
5.7MB
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memory/1632-61-0x0000000074F90000-0x000000007553B000-memory.dmpFilesize
5.7MB
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memory/1732-57-0x0000000000000000-mapping.dmp
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memory/1732-63-0x0000000074F90000-0x000000007553B000-memory.dmpFilesize
5.7MB
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memory/1732-64-0x0000000074F90000-0x000000007553B000-memory.dmpFilesize
5.7MB