Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 03:21
Behavioral task
behavioral1
Sample
5ced3f75eeaddf3afb3cf66ee00bfccd_JaffaCakes118.xls
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
5ced3f75eeaddf3afb3cf66ee00bfccd_JaffaCakes118.xls
Resource
win10v2004-20240508-en
General
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Target
5ced3f75eeaddf3afb3cf66ee00bfccd_JaffaCakes118.xls
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Size
131KB
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MD5
5ced3f75eeaddf3afb3cf66ee00bfccd
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SHA1
1d296e6ddb743224d3ad3caefb4c5b4a5a4ffad6
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SHA256
5db17f961cb7816af6f3b23538e1399bad84001fdc3e4a0a3cf54abcfc664e43
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SHA512
8af81e279daaa068c25c5dbadaa90c59c7c9498704e827b3ef55908c7415cc3cc0917639d207f109bf584730b3686efc96a026db6ff6f91a6a4e563efa1386a7
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SSDEEP
3072:DNdvxHlcaAy0iWYOcG4BDhnxDV8ixbR64snQ95eAWjymNtI76H+G:JdvxHlcaAy0iWYOcG4BDhnxDV8ixNOQ6
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 3916 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 3916 EXCEL.EXE 3916 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 3916 wrote to memory of 4500 3916 EXCEL.EXE splwow64.exe PID 3916 wrote to memory of 4500 3916 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\5ced3f75eeaddf3afb3cf66ee00bfccd_JaffaCakes118.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
PID:3916 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:4500
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:4496