Analysis
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max time kernel
535s -
max time network
486s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
24-02-2021 21:02
Behavioral task
behavioral1
Sample
trickbot.xls
Resource
win10v20201028
Behavioral task
behavioral2
Sample
trickbot.xls
Resource
win10v20201028
Behavioral task
behavioral3
Sample
trickbot.xls
Resource
win10v20201028
Behavioral task
behavioral4
Sample
trickbot.xls
Resource
win10v20201028
Behavioral task
behavioral5
Sample
trickbot.xls
Resource
win7v20201028
General
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Target
trickbot.xls
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Size
52KB
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MD5
2fa033c8bbdf1bd937125042588cdec9
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SHA1
b9a0d6ff9a77fc9b223abe2c560a7e888026e3bb
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SHA256
1df473992bd7c161fc1964c5d895f16240b417005fc69d20d3b9013c6c18dee8
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SHA512
7eccb690657f33ee7c8e7ae5792441d69a3f4e99df5735cb81cff7d4c0ab44928ad2b84b0386296face223e921d19c5fa3f52e4afc45d7e9e779481a40a8ba95
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.
Processes:
rundll32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 452 4812 rundll32.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 4812 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 4812 EXCEL.EXE 4812 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 14 IoCs
Processes:
EXCEL.EXEpid process 4812 EXCEL.EXE 4812 EXCEL.EXE 4812 EXCEL.EXE 4812 EXCEL.EXE 4812 EXCEL.EXE 4812 EXCEL.EXE 4812 EXCEL.EXE 4812 EXCEL.EXE 4812 EXCEL.EXE 4812 EXCEL.EXE 4812 EXCEL.EXE 4812 EXCEL.EXE 4812 EXCEL.EXE 4812 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 4812 wrote to memory of 452 4812 EXCEL.EXE rundll32.exe PID 4812 wrote to memory of 452 4812 EXCEL.EXE rundll32.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\trickbot.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\rundll32.exerundll32 ..\Herti.dosterage,DllRegisterServer2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/452-7-0x0000000000000000-mapping.dmp
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memory/4812-2-0x00007FFA3D590000-0x00007FFA3D5A0000-memory.dmpFilesize
64KB
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memory/4812-3-0x00007FFA3D590000-0x00007FFA3D5A0000-memory.dmpFilesize
64KB
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memory/4812-4-0x00007FFA3D590000-0x00007FFA3D5A0000-memory.dmpFilesize
64KB
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memory/4812-5-0x00007FFA613D0000-0x00007FFA61A07000-memory.dmpFilesize
6.2MB
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memory/4812-6-0x00007FFA3D590000-0x00007FFA3D5A0000-memory.dmpFilesize
64KB