Analysis
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max time kernel
127s -
max time network
130s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 03:41
Behavioral task
behavioral1
Sample
72d1d01961f17cf7dec2e358eeaeb0349e6a83e63245490d096f8c4d75b63937.xls
Resource
win10-20220414-en
General
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Target
72d1d01961f17cf7dec2e358eeaeb0349e6a83e63245490d096f8c4d75b63937.xls
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Size
95KB
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MD5
02a19c33fb4a1986f5f01d858d46cf4a
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SHA1
bfcc37134c4ebd41290812c0ad67357470332497
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SHA256
72d1d01961f17cf7dec2e358eeaeb0349e6a83e63245490d096f8c4d75b63937
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SHA512
1ce2d111fdde0e0879ec8c44e3270dc244ef60a68c654c932bec012f9bd087fd80041bb781b9bc00a8e60a6a18e977c690a599cb65e4187791c5f808f26388d5
Malware Config
Extracted
http://www.sunflowerlaboratory.in/fonts/79Tq62ly/
http://dirigent.co.uk/vardagsekonomi/iC36jJ4J1cf/
http://agtrade.hu/images/kiQYmOs2tSKq/
https://www.zachboyle.com/wp-admin/EA470ZrTGNkuA/
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 3224 2068 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3764 2068 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1348 2068 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 660 2068 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 opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 2068 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2068 EXCEL.EXE 2068 EXCEL.EXE 2068 EXCEL.EXE 2068 EXCEL.EXE 2068 EXCEL.EXE 2068 EXCEL.EXE 2068 EXCEL.EXE 2068 EXCEL.EXE 2068 EXCEL.EXE 2068 EXCEL.EXE 2068 EXCEL.EXE 2068 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 2068 wrote to memory of 3224 2068 EXCEL.EXE regsvr32.exe PID 2068 wrote to memory of 3224 2068 EXCEL.EXE regsvr32.exe PID 2068 wrote to memory of 3764 2068 EXCEL.EXE regsvr32.exe PID 2068 wrote to memory of 3764 2068 EXCEL.EXE regsvr32.exe PID 2068 wrote to memory of 1348 2068 EXCEL.EXE regsvr32.exe PID 2068 wrote to memory of 1348 2068 EXCEL.EXE regsvr32.exe PID 2068 wrote to memory of 660 2068 EXCEL.EXE regsvr32.exe PID 2068 wrote to memory of 660 2068 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\72d1d01961f17cf7dec2e358eeaeb0349e6a83e63245490d096f8c4d75b63937.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- 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/660-264-0x0000000000000000-mapping.dmp
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memory/1348-261-0x0000000000000000-mapping.dmp
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memory/2068-122-0x00007FFF613E0000-0x00007FFF613F0000-memory.dmpFilesize
64KB
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memory/2068-119-0x00007FFF613E0000-0x00007FFF613F0000-memory.dmpFilesize
64KB
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memory/2068-131-0x00007FFF5E190000-0x00007FFF5E1A0000-memory.dmpFilesize
64KB
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memory/2068-132-0x00007FFF5E190000-0x00007FFF5E1A0000-memory.dmpFilesize
64KB
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memory/2068-121-0x00007FFF613E0000-0x00007FFF613F0000-memory.dmpFilesize
64KB
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memory/2068-120-0x00007FFF613E0000-0x00007FFF613F0000-memory.dmpFilesize
64KB
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memory/2068-301-0x00007FFF613E0000-0x00007FFF613F0000-memory.dmpFilesize
64KB
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memory/2068-302-0x00007FFF613E0000-0x00007FFF613F0000-memory.dmpFilesize
64KB
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memory/2068-303-0x00007FFF613E0000-0x00007FFF613F0000-memory.dmpFilesize
64KB
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memory/2068-304-0x00007FFF613E0000-0x00007FFF613F0000-memory.dmpFilesize
64KB
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memory/3224-259-0x0000000000000000-mapping.dmp
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memory/3764-260-0x0000000000000000-mapping.dmp