Analysis
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max time kernel
133s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12/12/2024, 02:17
Behavioral task
behavioral1
Sample
e440b52ecd67afb0cab747d08e65a8e8_JaffaCakes118.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
e440b52ecd67afb0cab747d08e65a8e8_JaffaCakes118.xls
Resource
win10v2004-20241007-en
General
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Target
e440b52ecd67afb0cab747d08e65a8e8_JaffaCakes118.xls
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Size
117KB
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MD5
e440b52ecd67afb0cab747d08e65a8e8
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SHA1
b21b55c87165a5989f7b9e6936e3d589656d2329
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SHA256
cb50e886715d996249be68512a27a6e841d8868ad6b830aac70a7a2995e7b685
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SHA512
72d9d286caa3dfdfc5c6c694a834c6912e31e616aa27741aa9450e47d48a7e76752255141382026eb41e3dc9418a300fef224befb0ffee6965160f2b502b2a90
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SSDEEP
1536:mhXXjxXai7qz913mxzzx7xqYMEd9iNxGmXd1kL8wMsqILPfq/eG/bWVbrzD4hB7a:rwBfahbWVbrzD4P7ITkDfvaH5kor/
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 2492 920 cmd.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 232 920 cmd.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4960 920 cmd.exe 82 -
resource yara_rule behavioral2/files/0x000e000000023bbf-105.dat office_xlm_macros -
Deletes itself 1 IoCs
pid Process 920 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description 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 -
NTFS ADS 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\9AB75E00\:Zone.Identifier:$DATA EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 920 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 920 EXCEL.EXE 920 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 14 IoCs
pid Process 920 EXCEL.EXE 920 EXCEL.EXE 920 EXCEL.EXE 920 EXCEL.EXE 920 EXCEL.EXE 920 EXCEL.EXE 920 EXCEL.EXE 920 EXCEL.EXE 920 EXCEL.EXE 920 EXCEL.EXE 920 EXCEL.EXE 920 EXCEL.EXE 920 EXCEL.EXE 920 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 920 wrote to memory of 4960 920 EXCEL.EXE 87 PID 920 wrote to memory of 4960 920 EXCEL.EXE 87 PID 920 wrote to memory of 232 920 EXCEL.EXE 88 PID 920 wrote to memory of 232 920 EXCEL.EXE 88 PID 920 wrote to memory of 2492 920 EXCEL.EXE 89 PID 920 wrote to memory of 2492 920 EXCEL.EXE 89 PID 4960 wrote to memory of 2372 4960 cmd.exe 93 PID 4960 wrote to memory of 2372 4960 cmd.exe 93 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 2372 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\e440b52ecd67afb0cab747d08e65a8e8_JaffaCakes118.xls"1⤵
- Deletes itself
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:920 -
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:4960 -
C:\Windows\system32\attrib.exeattrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"3⤵
- Views/modifies file attributes
PID:2372
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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:232
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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:2492
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
126KB
MD532144927d09507f5075fc0efe308e502
SHA1ee11597e4aabec65bf6e1145d2cf48482cae2986
SHA2560bacb3b7cd09c5d0587830c5533a68fedb13183fcd351fdd67572991cb67d7a5
SHA5126be6ea1e403b1f1dd21cedfb8acee129596af8f092b510fde9fdc7ddfbcec1f5ecea32502b806980e9c1fa5309330909c673776004a3f6171c9931d00b7d4531
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize1KB
MD5ad46f9551f893fa131226abf5c21fc4d
SHA1504b5a3619c79e7ad3e1142f3c3bc2214458f9be
SHA25607c83e9d38466d2647b7759b004f13947b8c00a394552e6551534acdec07e8ce
SHA512256aac34b66b613ef423f50da3e350c24df909984f9ceac947cc4d47848d07c1ed4da122396e9d3237d2869a8f1f7b0c0c0109b0f1e60c515f7285b541f2cb8d