Analysis
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max time kernel
148s -
max time network
147s -
platform
windows10_x64 -
resource
win10v200430 -
submitted
13-07-2020 20:00
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.DOC.Kryptik.Q.17436.xls
Resource
win7
Behavioral task
behavioral2
Sample
SecuriteInfo.com.DOC.Kryptik.Q.17436.xls
Resource
win10v200430
General
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Target
SecuriteInfo.com.DOC.Kryptik.Q.17436.xls
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Size
303KB
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MD5
50d833a21db581f09239c26b5723376b
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SHA1
d11f201a327d253cc68836e39ca73ece51f2767b
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SHA256
6e650a4383b6094da81c5d909ea099d520b969348e7189d6b04b6cb5dffdf754
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SHA512
9f9be8e4688ae30360b5bcf50fc1307a569cc1cfdea443708c7a795b8bd4285a3c989ed7f2d773aef7647680f22f0f4e41fb346c552bb084dab2f0801e1885c7
Malware Config
Signatures
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Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2536 EXCEL.EXE 2536 EXCEL.EXE 2536 EXCEL.EXE 2536 EXCEL.EXE 2536 EXCEL.EXE 2536 EXCEL.EXE 2536 EXCEL.EXE 2536 EXCEL.EXE 2536 EXCEL.EXE 2536 EXCEL.EXE 2536 EXCEL.EXE 2536 EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 2536 EXCEL.EXE -
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 1760 2536 rundll32.exe EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 2536 wrote to memory of 1760 2536 EXCEL.EXE rundll32.exe PID 2536 wrote to memory of 1760 2536 EXCEL.EXE rundll32.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 -
Enumerates connected drives 3 TTPs
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\SecuriteInfo.com.DOC.Kryptik.Q.17436.xls"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of WriteProcessMemory
- Checks processor information in registry
- Enumerates system info in registry
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C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\WbMFNqE\DTXZRqG\fytiOXY.dll,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/1760-0-0x0000000000000000-mapping.dmp