Analysis
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max time kernel
133s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20/11/2024, 11:10
Behavioral task
behavioral1
Sample
9ce7fe55dbf91f34458b8f5cdb2444bb8cd78c0d9f3d599e84abca551c3311ef.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
9ce7fe55dbf91f34458b8f5cdb2444bb8cd78c0d9f3d599e84abca551c3311ef.xls
Resource
win10v2004-20241007-en
General
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Target
9ce7fe55dbf91f34458b8f5cdb2444bb8cd78c0d9f3d599e84abca551c3311ef.xls
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Size
70KB
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MD5
2120194d7dcafe15b92a2bb25295f49a
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SHA1
8f970a5a85ca924be9a4d289cbf0f3d2f88019da
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SHA256
9ce7fe55dbf91f34458b8f5cdb2444bb8cd78c0d9f3d599e84abca551c3311ef
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SHA512
57e0aa5ccd2c0faa77e5f1807c54b27163456244caefbb7c1e8da46f866c9650702049608865ea7845097b731d185138dabad6479e5ce5bcc8dc19230025c390
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SSDEEP
1536:OhKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+/+hDcnTLiQrRTZws8E7K:uKpb8rGYrMPe3q7Q0XV5xtezE8vG8UMl
Malware Config
Extracted
https://prprofile.com/wp-admin/CIqrvgYsvBiBlIM/
https://retardantedefuegoperu.com/slider/rFhAa78/
http://survei.absensi.net/cc-content/YCcjkOA3ijYNu46Y/
Signatures
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Process spawned unexpected child process 3 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 5040 4336 regsvr32.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1828 4336 regsvr32.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3080 4336 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4336 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4336 EXCEL.EXE 4336 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4336 EXCEL.EXE 4336 EXCEL.EXE 4336 EXCEL.EXE 4336 EXCEL.EXE 4336 EXCEL.EXE 4336 EXCEL.EXE 4336 EXCEL.EXE 4336 EXCEL.EXE 4336 EXCEL.EXE 4336 EXCEL.EXE 4336 EXCEL.EXE 4336 EXCEL.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4336 wrote to memory of 5040 4336 EXCEL.EXE 87 PID 4336 wrote to memory of 5040 4336 EXCEL.EXE 87 PID 4336 wrote to memory of 1828 4336 EXCEL.EXE 88 PID 4336 wrote to memory of 1828 4336 EXCEL.EXE 88 PID 4336 wrote to memory of 3080 4336 EXCEL.EXE 89 PID 4336 wrote to memory of 3080 4336 EXCEL.EXE 89
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\9ce7fe55dbf91f34458b8f5cdb2444bb8cd78c0d9f3d599e84abca551c3311ef.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:4336 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\cusoa1.ocx2⤵
- Process spawned unexpected child process
PID:5040
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\cusoa2.ocx2⤵
- Process spawned unexpected child process
PID:1828
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\cusoa3.ocx2⤵
- Process spawned unexpected child process
PID:3080
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