Analysis
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max time kernel
144s -
max time network
145s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 03:27
Behavioral task
behavioral1
Sample
ab2209aa7777fb912fe4ea1d78ee2f29724b0933dde1f1c57e57de1bdc71c1be.xls
Resource
win10-20220414-en
Behavioral task
behavioral2
Sample
ab2209aa7777fb912fe4ea1d78ee2f29724b0933dde1f1c57e57de1bdc71c1be.xls
Resource
win10-20220414-en
General
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Target
ab2209aa7777fb912fe4ea1d78ee2f29724b0933dde1f1c57e57de1bdc71c1be.xls
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Size
95KB
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MD5
eb59d0e6038fc2d99f6fa7528781810c
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SHA1
891ad8c9957452a380a4e2cadac4e085d894ec4d
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SHA256
ab2209aa7777fb912fe4ea1d78ee2f29724b0933dde1f1c57e57de1bdc71c1be
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SHA512
6b3cd8d676dfe18747620cb96045a044ded30e9e5151612e26c1b520ce1ce0f3f9ff9feebd66645188d13585ff6c66706496be40262e8d804e44f46ce1a8ac39
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 2820 2776 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4728 2776 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4200 2776 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3976 2776 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\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 2776 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 2776 EXCEL.EXE 2776 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2776 EXCEL.EXE 2776 EXCEL.EXE 2776 EXCEL.EXE 2776 EXCEL.EXE 2776 EXCEL.EXE 2776 EXCEL.EXE 2776 EXCEL.EXE 2776 EXCEL.EXE 2776 EXCEL.EXE 2776 EXCEL.EXE 2776 EXCEL.EXE 2776 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 2776 wrote to memory of 2820 2776 EXCEL.EXE regsvr32.exe PID 2776 wrote to memory of 2820 2776 EXCEL.EXE regsvr32.exe PID 2776 wrote to memory of 4728 2776 EXCEL.EXE regsvr32.exe PID 2776 wrote to memory of 4728 2776 EXCEL.EXE regsvr32.exe PID 2776 wrote to memory of 4200 2776 EXCEL.EXE regsvr32.exe PID 2776 wrote to memory of 4200 2776 EXCEL.EXE regsvr32.exe PID 2776 wrote to memory of 3976 2776 EXCEL.EXE regsvr32.exe PID 2776 wrote to memory of 3976 2776 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\ab2209aa7777fb912fe4ea1d78ee2f29724b0933dde1f1c57e57de1bdc71c1be.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/2776-118-0x00007FFAD2660000-0x00007FFAD2670000-memory.dmpFilesize
64KB
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memory/2776-119-0x00007FFAD2660000-0x00007FFAD2670000-memory.dmpFilesize
64KB
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memory/2776-120-0x00007FFAD2660000-0x00007FFAD2670000-memory.dmpFilesize
64KB
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memory/2776-121-0x00007FFAD2660000-0x00007FFAD2670000-memory.dmpFilesize
64KB
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memory/2776-130-0x00007FFACF730000-0x00007FFACF740000-memory.dmpFilesize
64KB
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memory/2776-131-0x00007FFACF730000-0x00007FFACF740000-memory.dmpFilesize
64KB
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memory/2820-252-0x0000000000000000-mapping.dmp
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memory/3976-257-0x0000000000000000-mapping.dmp
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memory/4200-254-0x0000000000000000-mapping.dmp
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memory/4728-253-0x0000000000000000-mapping.dmp