Analysis
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max time kernel
150s -
max time network
157s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
12-01-2022 15:31
Behavioral task
behavioral1
Sample
aa65a34067b0c50e89c1078d0c7ff08de43e5036241404574f846265de6ff6bd.xls
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
aa65a34067b0c50e89c1078d0c7ff08de43e5036241404574f846265de6ff6bd.xls
Resource
win10-en-20211208
General
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Target
aa65a34067b0c50e89c1078d0c7ff08de43e5036241404574f846265de6ff6bd.xls
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Size
113KB
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MD5
3e47f75fb9dbb067e2b47049666fc1d2
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SHA1
df51ed9b3c9bc6bbef920f2de3bedeccda5217c3
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SHA256
aa65a34067b0c50e89c1078d0c7ff08de43e5036241404574f846265de6ff6bd
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SHA512
878839b9037053905384417e505741ef74622804eb384f84d1cd1b8b96eb8b0521d6f248f5a9ae635c2367cab17669db248156ef0ca5f11d6a54f3adc0d118eb
Malware Config
Extracted
http://ordinateur.ogivart.us/editor/Qpo7OAOnbe/
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 4232 3032 rundll32.exe 68 -
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 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3032 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 14 IoCs
pid Process 3032 EXCEL.EXE 3032 EXCEL.EXE 3032 EXCEL.EXE 3032 EXCEL.EXE 3032 EXCEL.EXE 3032 EXCEL.EXE 3032 EXCEL.EXE 3032 EXCEL.EXE 3032 EXCEL.EXE 3032 EXCEL.EXE 3032 EXCEL.EXE 3032 EXCEL.EXE 3032 EXCEL.EXE 3032 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3032 wrote to memory of 4232 3032 EXCEL.EXE 72 PID 3032 wrote to memory of 4232 3032 EXCEL.EXE 72 PID 3032 wrote to memory of 4232 3032 EXCEL.EXE 72
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\aa65a34067b0c50e89c1078d0c7ff08de43e5036241404574f846265de6ff6bd.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3032 -
C:\Windows\SysWow64\rundll32.exeC:\Windows\SysWow64\rundll32.exe ..\sun.ocx,D"&"l"&"lR"&"egister"&"Serve"&"r2⤵
- Process spawned unexpected child process
PID:4232
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