Analysis
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max time kernel
149s -
max time network
131s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 03:37
Behavioral task
behavioral1
Sample
6f8c75b8a325800b3df1bc1a2c061a63b6ae8251c7a2a9627b9d2a02308fbe4c.xls
Resource
win10-20220414-en
Behavioral task
behavioral2
Sample
6f8c75b8a325800b3df1bc1a2c061a63b6ae8251c7a2a9627b9d2a02308fbe4c.xls
Resource
win10-20220414-en
General
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Target
6f8c75b8a325800b3df1bc1a2c061a63b6ae8251c7a2a9627b9d2a02308fbe4c.xls
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Size
95KB
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MD5
30e115f54246fb2e3eb6d700398a88aa
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SHA1
51926ea9c48378825fd40f08f1a9f19ae818d580
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SHA256
6f8c75b8a325800b3df1bc1a2c061a63b6ae8251c7a2a9627b9d2a02308fbe4c
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SHA512
0061cc6f4d6a94416424dfda512cec06658fecce311b2db287d4e1d13e2e8224c61ee28053b0b556794db378e0a1a13488ac9e3ded93678ff11d4490d8ba391b
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 3504 4688 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 740 4688 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4812 4688 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4580 4688 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 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 4688 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 4688 EXCEL.EXE 4688 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 4688 EXCEL.EXE 4688 EXCEL.EXE 4688 EXCEL.EXE 4688 EXCEL.EXE 4688 EXCEL.EXE 4688 EXCEL.EXE 4688 EXCEL.EXE 4688 EXCEL.EXE 4688 EXCEL.EXE 4688 EXCEL.EXE 4688 EXCEL.EXE 4688 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 4688 wrote to memory of 3504 4688 EXCEL.EXE regsvr32.exe PID 4688 wrote to memory of 3504 4688 EXCEL.EXE regsvr32.exe PID 4688 wrote to memory of 740 4688 EXCEL.EXE regsvr32.exe PID 4688 wrote to memory of 740 4688 EXCEL.EXE regsvr32.exe PID 4688 wrote to memory of 4812 4688 EXCEL.EXE regsvr32.exe PID 4688 wrote to memory of 4812 4688 EXCEL.EXE regsvr32.exe PID 4688 wrote to memory of 4580 4688 EXCEL.EXE regsvr32.exe PID 4688 wrote to memory of 4580 4688 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\6f8c75b8a325800b3df1bc1a2c061a63b6ae8251c7a2a9627b9d2a02308fbe4c.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
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Downloads
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memory/740-256-0x0000000000000000-mapping.dmp
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memory/3504-255-0x0000000000000000-mapping.dmp
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memory/4580-260-0x0000000000000000-mapping.dmp
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memory/4688-117-0x00007FFD41F90000-0x00007FFD41FA0000-memory.dmpFilesize
64KB
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memory/4688-118-0x00007FFD41F90000-0x00007FFD41FA0000-memory.dmpFilesize
64KB
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memory/4688-119-0x00007FFD41F90000-0x00007FFD41FA0000-memory.dmpFilesize
64KB
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memory/4688-120-0x00007FFD41F90000-0x00007FFD41FA0000-memory.dmpFilesize
64KB
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memory/4688-129-0x00007FFD3F440000-0x00007FFD3F450000-memory.dmpFilesize
64KB
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memory/4688-130-0x00007FFD3F440000-0x00007FFD3F450000-memory.dmpFilesize
64KB
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memory/4812-257-0x0000000000000000-mapping.dmp