Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 03:35
Behavioral task
behavioral1
Sample
ebddd033656f02d1c39edc3aba03db7fdc86a3d6ab3ed08a34044234f871777c.xls
Resource
win10-20220414-en
General
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Target
ebddd033656f02d1c39edc3aba03db7fdc86a3d6ab3ed08a34044234f871777c.xls
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Size
95KB
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MD5
a039fad8c582402416bf343f34583f0f
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SHA1
2d2e44497dcf9fb81aefa5b3981a220bd0d8c71a
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SHA256
ebddd033656f02d1c39edc3aba03db7fdc86a3d6ab3ed08a34044234f871777c
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SHA512
b66dcfa8b47853aca58cf4d0efe83dd41b453a5ae2a37f9e0466893826f9889a33ce6d9010a9baca7cab36e55451166bcb49c293ee9408b43764839fda7c8f0d
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 4912 2580 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4572 2580 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2940 2580 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4976 2580 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 2580 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 2580 EXCEL.EXE 2580 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2580 EXCEL.EXE 2580 EXCEL.EXE 2580 EXCEL.EXE 2580 EXCEL.EXE 2580 EXCEL.EXE 2580 EXCEL.EXE 2580 EXCEL.EXE 2580 EXCEL.EXE 2580 EXCEL.EXE 2580 EXCEL.EXE 2580 EXCEL.EXE 2580 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 2580 wrote to memory of 4912 2580 EXCEL.EXE regsvr32.exe PID 2580 wrote to memory of 4912 2580 EXCEL.EXE regsvr32.exe PID 2580 wrote to memory of 4572 2580 EXCEL.EXE regsvr32.exe PID 2580 wrote to memory of 4572 2580 EXCEL.EXE regsvr32.exe PID 2580 wrote to memory of 2940 2580 EXCEL.EXE regsvr32.exe PID 2580 wrote to memory of 2940 2580 EXCEL.EXE regsvr32.exe PID 2580 wrote to memory of 4976 2580 EXCEL.EXE regsvr32.exe PID 2580 wrote to memory of 4976 2580 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\ebddd033656f02d1c39edc3aba03db7fdc86a3d6ab3ed08a34044234f871777c.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/2580-118-0x00007FF9083D0000-0x00007FF9083E0000-memory.dmpFilesize
64KB
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memory/2580-119-0x00007FF9083D0000-0x00007FF9083E0000-memory.dmpFilesize
64KB
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memory/2580-120-0x00007FF9083D0000-0x00007FF9083E0000-memory.dmpFilesize
64KB
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memory/2580-121-0x00007FF9083D0000-0x00007FF9083E0000-memory.dmpFilesize
64KB
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memory/2580-130-0x00007FF9051B0000-0x00007FF9051C0000-memory.dmpFilesize
64KB
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memory/2580-131-0x00007FF9051B0000-0x00007FF9051C0000-memory.dmpFilesize
64KB
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memory/2940-252-0x0000000000000000-mapping.dmp
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memory/4572-246-0x0000000000000000-mapping.dmp
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memory/4912-237-0x0000000000000000-mapping.dmp
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memory/4976-257-0x0000000000000000-mapping.dmp