Analysis
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max time kernel
124s -
max time network
134s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
13-10-2021 07:49
Static task
static1
Behavioral task
behavioral1
Sample
PROFORMA INVOICE4567.xlsx
Resource
win7-en-20210920
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
PROFORMA INVOICE4567.xlsx
Resource
win10-en-20210920
windows10_x64
0 signatures
0 seconds
General
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Target
PROFORMA INVOICE4567.xlsx
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Size
657KB
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MD5
2aef1857cad31496174b607df0bfbfe9
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SHA1
878676c90762705166888bcc41ab51f8f4e92868
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SHA256
11a01b9c73c2ed2bc22dcd56b2925ecde913e7c2c37996da0584c124a0a00df2
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SHA512
d0f5fac446050d1b022c1a904717ab0b695e2ad83a5938545fe1e9a54b4eb2129ab788b7d40cad49f17d57c0f26c0b39da728c4d0550974612ded6876e4f74e2
Score
1/10
Malware Config
Signatures
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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 2160 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 13 IoCs
Processes:
EXCEL.EXEpid process 2160 EXCEL.EXE 2160 EXCEL.EXE 2160 EXCEL.EXE 2160 EXCEL.EXE 2160 EXCEL.EXE 2160 EXCEL.EXE 2160 EXCEL.EXE 2160 EXCEL.EXE 2160 EXCEL.EXE 2160 EXCEL.EXE 2160 EXCEL.EXE 2160 EXCEL.EXE 2160 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 2160 wrote to memory of 3276 2160 EXCEL.EXE splwow64.exe PID 2160 wrote to memory of 3276 2160 EXCEL.EXE splwow64.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\PROFORMA INVOICE4567.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2160 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:3276
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