Analysis
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max time kernel
128s -
max time network
131s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 04:23
Behavioral task
behavioral1
Sample
30e1907b405bf3f63ff976bae79b3441066636f04485163c451269203caa0617.xls
Resource
win10-20220414-en
Behavioral task
behavioral2
Sample
30e1907b405bf3f63ff976bae79b3441066636f04485163c451269203caa0617.xls
Resource
win10-20220414-en
General
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Target
30e1907b405bf3f63ff976bae79b3441066636f04485163c451269203caa0617.xls
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Size
95KB
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MD5
38d3bc828c5cb5f81d9bf026494520a8
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SHA1
a1167e1e4fa4469961e21df577c271ef0f572334
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SHA256
30e1907b405bf3f63ff976bae79b3441066636f04485163c451269203caa0617
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SHA512
7561f58e3e9d7df8258ff4a14e314381962041481edb3cf31fd2d4521c9c716663ed926a2f524e77f561441ba2d4233174d500b30c1d4b8f933eac359ad992fb
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 1568 1460 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2764 1460 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2872 1460 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1312 1460 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 1460 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 1460 EXCEL.EXE 1460 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 1460 EXCEL.EXE 1460 EXCEL.EXE 1460 EXCEL.EXE 1460 EXCEL.EXE 1460 EXCEL.EXE 1460 EXCEL.EXE 1460 EXCEL.EXE 1460 EXCEL.EXE 1460 EXCEL.EXE 1460 EXCEL.EXE 1460 EXCEL.EXE 1460 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 1460 wrote to memory of 1568 1460 EXCEL.EXE regsvr32.exe PID 1460 wrote to memory of 1568 1460 EXCEL.EXE regsvr32.exe PID 1460 wrote to memory of 2764 1460 EXCEL.EXE regsvr32.exe PID 1460 wrote to memory of 2764 1460 EXCEL.EXE regsvr32.exe PID 1460 wrote to memory of 2872 1460 EXCEL.EXE regsvr32.exe PID 1460 wrote to memory of 2872 1460 EXCEL.EXE regsvr32.exe PID 1460 wrote to memory of 1312 1460 EXCEL.EXE regsvr32.exe PID 1460 wrote to memory of 1312 1460 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\30e1907b405bf3f63ff976bae79b3441066636f04485163c451269203caa0617.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/1312-255-0x0000000000000000-mapping.dmp
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memory/1460-119-0x00007FFE57330000-0x00007FFE57340000-memory.dmpFilesize
64KB
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memory/1460-118-0x00007FFE57330000-0x00007FFE57340000-memory.dmpFilesize
64KB
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memory/1460-116-0x00007FFE57330000-0x00007FFE57340000-memory.dmpFilesize
64KB
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memory/1460-128-0x00007FFE53B20000-0x00007FFE53B30000-memory.dmpFilesize
64KB
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memory/1460-129-0x00007FFE53B20000-0x00007FFE53B30000-memory.dmpFilesize
64KB
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memory/1460-117-0x00007FFE57330000-0x00007FFE57340000-memory.dmpFilesize
64KB
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memory/1460-292-0x00007FFE57330000-0x00007FFE57340000-memory.dmpFilesize
64KB
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memory/1460-293-0x00007FFE57330000-0x00007FFE57340000-memory.dmpFilesize
64KB
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memory/1460-294-0x00007FFE57330000-0x00007FFE57340000-memory.dmpFilesize
64KB
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memory/1460-295-0x00007FFE57330000-0x00007FFE57340000-memory.dmpFilesize
64KB
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memory/1568-252-0x0000000000000000-mapping.dmp
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memory/2764-253-0x0000000000000000-mapping.dmp
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memory/2872-254-0x0000000000000000-mapping.dmp