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Analysis
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max time kernel
200s -
max time network
207s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
29/01/2023, 19:21
Behavioral task
behavioral1
Sample
dd4a28eef1d2b8ea6d8a1391f476a8852e48543da3e994091427792f621716d2.xls
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
dd4a28eef1d2b8ea6d8a1391f476a8852e48543da3e994091427792f621716d2.xls
Resource
win10v2004-20221111-en
General
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Target
dd4a28eef1d2b8ea6d8a1391f476a8852e48543da3e994091427792f621716d2.xls
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Size
36KB
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MD5
ab711edecb7643f2117e7d0868e6b422
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SHA1
0fa97b8a42aade685bdb16a8b91cf295499607bb
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SHA256
dd4a28eef1d2b8ea6d8a1391f476a8852e48543da3e994091427792f621716d2
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SHA512
e0323885a654228457be9b39b691aefce21a4eac45695d626f69f3729e059f89f669a064d21cf501618bf1560e25b431a944c7672c7f7dfce95c31346b5b79fb
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SSDEEP
768:NPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJWk6phHxtHn3/IKMVHI7:lok3hbdlylKsgqopeJBWhZFGkE+cL2Nv
Malware Config
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4176 5040 explorer.exe 79 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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
description 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 -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings explorer.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 5040 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 16 IoCs
pid Process 5040 EXCEL.EXE 5040 EXCEL.EXE 5040 EXCEL.EXE 5040 EXCEL.EXE 5040 EXCEL.EXE 5040 EXCEL.EXE 5040 EXCEL.EXE 5040 EXCEL.EXE 5040 EXCEL.EXE 5040 EXCEL.EXE 5040 EXCEL.EXE 5040 EXCEL.EXE 5040 EXCEL.EXE 5040 EXCEL.EXE 5040 EXCEL.EXE 5040 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 5040 wrote to memory of 4176 5040 EXCEL.EXE 82 PID 5040 wrote to memory of 4176 5040 EXCEL.EXE 82 PID 1984 wrote to memory of 4640 1984 explorer.exe 84 PID 1984 wrote to memory of 4640 1984 explorer.exe 84
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\dd4a28eef1d2b8ea6d8a1391f476a8852e48543da3e994091427792f621716d2.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5040 -
C:\Windows\explorer.exeexplorer.exe C:\Users\Public\Documents\RG19XkGI.vbs2⤵
- Process spawned unexpected child process
PID:4176
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1984 -
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\RG19XkGI.vbs"2⤵PID:4640
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
593B
MD56a44e9ecd3eea039e73e83e6b2380892
SHA158a952d653426b6c56a6e10aafe507b226f97efa
SHA256c1a2b81ea1337c1e9e1ec4bde2732689c832d6fe7e21648a5e476d01ba74f700
SHA51270361f41eb80e3bf8270bd199ae18b587881199315bc4b1688fd63a2b4ee4f0c846e2dff33133ef19135ba40621444c0180ae565b34cd9d6853044c39c4234ce