Analysis
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max time kernel
133s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11-11-2024 17:41
Behavioral task
behavioral1
Sample
a468ba8981c2ffea9d4d3a0319fe71d110da71fa5f190b21ae52c331cf4bd503.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a468ba8981c2ffea9d4d3a0319fe71d110da71fa5f190b21ae52c331cf4bd503.xls
Resource
win10v2004-20241007-en
General
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Target
a468ba8981c2ffea9d4d3a0319fe71d110da71fa5f190b21ae52c331cf4bd503.xls
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Size
95KB
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MD5
922e580680b0af8e8630217f2e3a2cad
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SHA1
d1b51dbfb8274316380324c2427b9fb7509e29d5
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SHA256
a468ba8981c2ffea9d4d3a0319fe71d110da71fa5f190b21ae52c331cf4bd503
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SHA512
52570efaa344a0a0176f057e71295618b6f125c2857f8643062b058c4fd534453ea8c82bdc1f680985fa5246a3ab435cc692e73c1cea84eedfc30e21219a2142
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SSDEEP
1536:PFKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgCHuS4hcTO97v7UYdEJm0r:tKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgS
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.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1368 3648 regsvr32.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1296 3648 regsvr32.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3788 3648 regsvr32.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 516 3648 regsvr32.exe 82 -
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3648 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3648 EXCEL.EXE 3648 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3648 EXCEL.EXE 3648 EXCEL.EXE 3648 EXCEL.EXE 3648 EXCEL.EXE 3648 EXCEL.EXE 3648 EXCEL.EXE 3648 EXCEL.EXE 3648 EXCEL.EXE 3648 EXCEL.EXE 3648 EXCEL.EXE 3648 EXCEL.EXE 3648 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3648 wrote to memory of 1368 3648 EXCEL.EXE 84 PID 3648 wrote to memory of 1368 3648 EXCEL.EXE 84 PID 3648 wrote to memory of 1296 3648 EXCEL.EXE 87 PID 3648 wrote to memory of 1296 3648 EXCEL.EXE 87 PID 3648 wrote to memory of 3788 3648 EXCEL.EXE 90 PID 3648 wrote to memory of 3788 3648 EXCEL.EXE 90 PID 3648 wrote to memory of 516 3648 EXCEL.EXE 92 PID 3648 wrote to memory of 516 3648 EXCEL.EXE 92
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\a468ba8981c2ffea9d4d3a0319fe71d110da71fa5f190b21ae52c331cf4bd503.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
PID:3648 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci1.ocx2⤵
- Process spawned unexpected child process
PID:1368
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci2.ocx2⤵
- Process spawned unexpected child process
PID:1296
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci3.ocx2⤵
- Process spawned unexpected child process
PID:3788
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci4.ocx2⤵
- Process spawned unexpected child process
PID:516
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize1KB
MD5d1c0e641526a45383e4580fbcc5e8279
SHA1e32cc47c88b717c247f3c9ba5511c84340318a97
SHA256cedf60e622244d9df9995ca561d5ca955781e359010234cb823b165e822f4bcf
SHA51295b0b0faea69a8b1370207ce0e48d2a8345b9d8a859d40745f4fcc3cca4bfffaa3e35195e0784c8ca5a7b723680549fdaba884609c10cd5e806fa56de0c7aa97