Analysis
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max time kernel
128s -
max time network
147s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 04:09
Behavioral task
behavioral1
Sample
0c7c774bd24774355eb18daae2287244efda8614307b902a9772f80de00fe665.xls
Resource
win10-20220414-en
Behavioral task
behavioral2
Sample
0c7c774bd24774355eb18daae2287244efda8614307b902a9772f80de00fe665.xls
Resource
win10-20220414-en
General
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Target
0c7c774bd24774355eb18daae2287244efda8614307b902a9772f80de00fe665.xls
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Size
95KB
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MD5
db912064dfaa2d0dfad3429237daf735
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SHA1
3377caf5d5b696197237b2a7ec14ca0d6f93720c
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SHA256
0c7c774bd24774355eb18daae2287244efda8614307b902a9772f80de00fe665
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SHA512
6464270078d2e76c18d4cdfac8b8c84ed3046468a11b2d87238e312f3a5af624d2faf5caea314b689a4d57b6d0f40e069a3dd978d835b7779d61b0e70311103c
Malware Config
Extracted
https://edoraseguros.com.br/cgi-bin/jQNq9wlH1GXU/
http://earthmach.co.za/libraries/tWkZh9YrXbTd6IeX/
http://finvest.rs/wp-admin/Hr9nVNTIHgw59S/
http://efverstedt.se/5jjaV/w7fLEHJ20xn0qD/
Signatures
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Process spawned unexpected child process 4 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3600 3308 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2036 3308 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2052 3308 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2664 3308 regsvr32.exe EXCEL.EXE -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 3308 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 3308 EXCEL.EXE 3308 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 3308 EXCEL.EXE 3308 EXCEL.EXE 3308 EXCEL.EXE 3308 EXCEL.EXE 3308 EXCEL.EXE 3308 EXCEL.EXE 3308 EXCEL.EXE 3308 EXCEL.EXE 3308 EXCEL.EXE 3308 EXCEL.EXE 3308 EXCEL.EXE 3308 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 3308 wrote to memory of 3600 3308 EXCEL.EXE regsvr32.exe PID 3308 wrote to memory of 3600 3308 EXCEL.EXE regsvr32.exe PID 3308 wrote to memory of 2036 3308 EXCEL.EXE regsvr32.exe PID 3308 wrote to memory of 2036 3308 EXCEL.EXE regsvr32.exe PID 3308 wrote to memory of 2052 3308 EXCEL.EXE regsvr32.exe PID 3308 wrote to memory of 2052 3308 EXCEL.EXE regsvr32.exe PID 3308 wrote to memory of 2664 3308 EXCEL.EXE regsvr32.exe PID 3308 wrote to memory of 2664 3308 EXCEL.EXE regsvr32.exe
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\0c7c774bd24774355eb18daae2287244efda8614307b902a9772f80de00fe665.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci1.ocx2⤵
- Process spawned unexpected child process
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci2.ocx2⤵
- Process spawned unexpected child process
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci3.ocx2⤵
- Process spawned unexpected child process
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci4.ocx2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2036-253-0x0000000000000000-mapping.dmp
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memory/2052-254-0x0000000000000000-mapping.dmp
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memory/2664-255-0x0000000000000000-mapping.dmp
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memory/3308-119-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmpFilesize
64KB
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memory/3308-128-0x00007FFA6B0A0000-0x00007FFA6B0B0000-memory.dmpFilesize
64KB
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memory/3308-129-0x00007FFA6B0A0000-0x00007FFA6B0B0000-memory.dmpFilesize
64KB
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memory/3308-116-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmpFilesize
64KB
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memory/3308-118-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmpFilesize
64KB
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memory/3308-117-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmpFilesize
64KB
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memory/3308-292-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmpFilesize
64KB
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memory/3308-294-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmpFilesize
64KB
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memory/3308-293-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmpFilesize
64KB
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memory/3308-295-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmpFilesize
64KB
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memory/3600-252-0x0000000000000000-mapping.dmp