Analysis
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max time kernel
139s -
max time network
132s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
02-03-2021 19:32
Behavioral task
behavioral1
Sample
document-2107203495.xls
Resource
win7v20201028
Behavioral task
behavioral2
Sample
document-2107203495.xls
Resource
win10v20201028
General
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Target
document-2107203495.xls
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Size
85KB
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MD5
7d869554d4a24c08f024a2a508b12331
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SHA1
294b2d552a8a45e24b1cc447ab11d9ba36a1d388
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SHA256
56ac4fc8686b4235587479d25637e6a589638a35e30d8d612d1b015e277f523d
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SHA512
ba1361d2be2de9242b3517a5cdaf8466ef7ceeb80e87e549e55879d20b1a198cbfb21917052ea9f0fe0cb1638fba0fb4583b00dbc343d510f4cfad2dfd40ec38
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 3512 580 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 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 580 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 580 EXCEL.EXE 580 EXCEL.EXE 580 EXCEL.EXE 580 EXCEL.EXE 580 EXCEL.EXE 580 EXCEL.EXE 580 EXCEL.EXE 580 EXCEL.EXE 580 EXCEL.EXE 580 EXCEL.EXE 580 EXCEL.EXE 580 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 580 wrote to memory of 3512 580 EXCEL.EXE rundll32.exe PID 580 wrote to memory of 3512 580 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\document-2107203495.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\rundll32.exerundll32 ..\IEUDLK.CJF,DllRegisterServer2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/580-2-0x00007FFE76A80000-0x00007FFE76A90000-memory.dmpFilesize
64KB
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memory/580-3-0x00007FFE76A80000-0x00007FFE76A90000-memory.dmpFilesize
64KB
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memory/580-4-0x00007FFE76A80000-0x00007FFE76A90000-memory.dmpFilesize
64KB
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memory/580-5-0x00007FFE99BC0000-0x00007FFE9A1F7000-memory.dmpFilesize
6.2MB
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memory/580-6-0x00007FFE76A80000-0x00007FFE76A90000-memory.dmpFilesize
64KB
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memory/3512-7-0x0000000000000000-mapping.dmp