Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-12-2024 08:09
Behavioral task
behavioral1
Sample
eaa7a72ad0dadf2944625404aced6b8d_JaffaCakes118.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
eaa7a72ad0dadf2944625404aced6b8d_JaffaCakes118.xls
Resource
win10v2004-20241007-en
General
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Target
eaa7a72ad0dadf2944625404aced6b8d_JaffaCakes118.xls
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Size
88KB
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MD5
eaa7a72ad0dadf2944625404aced6b8d
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SHA1
d71270637f395a7a60d23224539548476b47f1aa
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SHA256
773743fde9a060df7e1720d7a373a6abf0666e2b9b5b87f1e147da29184839e6
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SHA512
16f7fe531eb224939a78fd450c502e88157ce2d19bd53230919692cd0b79a1fc4b50641a402b49f40c9dd144045d7d6534bb2e7c8d95e81561f6ca2ea47f65d0
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SSDEEP
1536:exs4hmTaqi2jcc0lbxOqTgZ2IhY7nJdJoOd7cJKXwfIKp:t62jcc0lbxOKm2AJKXwFp
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 2312 2560 cmd.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1208 2560 cmd.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 436 2560 cmd.exe 82 -
resource yara_rule behavioral2/files/0x00110000000239bf-101.dat office_xlm_macros -
Deletes itself 1 IoCs
pid Process 2560 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\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
NTFS ADS 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\24B75E00\:Zone.Identifier:$DATA EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2560 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 2560 EXCEL.EXE 2560 EXCEL.EXE 2560 EXCEL.EXE 2560 EXCEL.EXE 2560 EXCEL.EXE 2560 EXCEL.EXE 2560 EXCEL.EXE 2560 EXCEL.EXE 2560 EXCEL.EXE 2560 EXCEL.EXE 2560 EXCEL.EXE 2560 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2560 wrote to memory of 436 2560 EXCEL.EXE 86 PID 2560 wrote to memory of 436 2560 EXCEL.EXE 86 PID 2560 wrote to memory of 1208 2560 EXCEL.EXE 87 PID 2560 wrote to memory of 1208 2560 EXCEL.EXE 87 PID 2560 wrote to memory of 2312 2560 EXCEL.EXE 88 PID 2560 wrote to memory of 2312 2560 EXCEL.EXE 88 PID 436 wrote to memory of 1052 436 cmd.exe 92 PID 436 wrote to memory of 1052 436 cmd.exe 92 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 1052 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\eaa7a72ad0dadf2944625404aced6b8d_JaffaCakes118.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:2560 -
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:436 -
C:\Windows\system32\attrib.exeattrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"3⤵
- Views/modifies file attributes
PID:1052
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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:1208
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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:2312
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
126KB
MD57a62ee693b4dac3484c9b15b6accbfda
SHA19c1887957534e9d5e17c64b0c09b50a2f8421d0a
SHA2561c332bb89120129a0a5f1e5ec3b04d6a2d671ca9c58338fc580e555d26153650
SHA51250e57512789700c0ae6f0c629989917eb78af1a5953a48b21585c633c18c90411202f4a64b4202324116fc523a5c49e628854237930ebe8c305a8d0813cf4960
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize1KB
MD50d415f11800e86ff4c01e7fa13ec3c15
SHA166fbdf7a084b88f0a8e4380e497ad08a68b95c60
SHA256fae376dc1706915e3f7732f565271799c695bc9584278f7250e121cd5e7d9f35
SHA5122afd905a446f5d3feeaf7427f10961f1769126a8e306e7f432e7ca7c03c7ee28efe158cca54924bb29a68e74eab01b52b67df43ad338c707c264961f2136d934