Analysis
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max time kernel
104s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
07/04/2025, 07:01
Behavioral task
behavioral1
Sample
JaffaCakes118_9e47a652884094691905a8ebc39ccdd3.xls
Resource
win10v2004-20250314-en
General
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Target
JaffaCakes118_9e47a652884094691905a8ebc39ccdd3.xls
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Size
113KB
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MD5
9e47a652884094691905a8ebc39ccdd3
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SHA1
17b5b39402aabbdc86e8d14632f9a1fab00ad15f
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SHA256
59d616655b03443df157ddd98fe5781f9cf2e95181765ed85a1dbac0bd473cbb
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SHA512
cab17582c9eac6c1a745dd24f5c50c1a66b497b882e332abf3cd733a360d4003c8912a7e8c05dd14128becd6d5259b213c789f738e51a01184e32751e0d13079
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SSDEEP
3072:0nbm7ZWxrg75BqFKNc2jcc0lbxOKAx2AJtXwKK:0nbGs2
Malware Config
Signatures
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Process spawned unexpected child process 3 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4876 1080 cmd.exe 87 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4864 1080 cmd.exe 87 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4872 1080 cmd.exe 87 -
resource yara_rule behavioral1/files/0x0007000000022b53-101.dat office_xlm_macros -
Deletes itself 1 IoCs
pid Process 1080 EXCEL.EXE -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
NTFS ADS 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\7E575E00\:Zone.Identifier:$DATA EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1080 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1080 EXCEL.EXE 1080 EXCEL.EXE 1080 EXCEL.EXE 1080 EXCEL.EXE 1080 EXCEL.EXE 1080 EXCEL.EXE 1080 EXCEL.EXE 1080 EXCEL.EXE 1080 EXCEL.EXE 1080 EXCEL.EXE 1080 EXCEL.EXE 1080 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1080 wrote to memory of 4872 1080 EXCEL.EXE 92 PID 1080 wrote to memory of 4872 1080 EXCEL.EXE 92 PID 1080 wrote to memory of 4864 1080 EXCEL.EXE 93 PID 1080 wrote to memory of 4864 1080 EXCEL.EXE 93 PID 1080 wrote to memory of 4876 1080 EXCEL.EXE 94 PID 1080 wrote to memory of 4876 1080 EXCEL.EXE 94 PID 4872 wrote to memory of 6136 4872 cmd.exe 98 PID 4872 wrote to memory of 6136 4872 cmd.exe 98 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 6136 attrib.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\JaffaCakes118_9e47a652884094691905a8ebc39ccdd3.xls"1⤵
- Deletes itself
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1080 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:4872 -
C:\Windows\system32\attrib.exeattrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"3⤵
- Views/modifies file attributes
PID:6136
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"2⤵
- Process spawned unexpected child process
PID:4864
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"2⤵
- Process spawned unexpected child process
PID:4876
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
153KB
MD59b82f4c921d15ad4026b1710b48da88b
SHA14360a8a05b78bc37ea4e76edf93b532b7c5a4f61
SHA256d46b0d0721873b1074642bcca9fbb03bc5d7d584065790dc528b282cd2d9a7aa
SHA5121c4733474c32811ac9af26329440184a2acb3a8c48beaba28fc223d49620e7425d2ea7f5042e6e12f4896939626fdce43751473cb8f6f66fb474734dcf37c006