Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
08-09-2024 14:15
Behavioral task
behavioral1
Sample
d48c585a4363b551f08f9a4cc3c4c1d3_JaffaCakes118.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d48c585a4363b551f08f9a4cc3c4c1d3_JaffaCakes118.xls
Resource
win10v2004-20240802-en
General
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Target
d48c585a4363b551f08f9a4cc3c4c1d3_JaffaCakes118.xls
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Size
120KB
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MD5
d48c585a4363b551f08f9a4cc3c4c1d3
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SHA1
66d0b9b2129fa5c381c1c4617f7c4c8c8f4d83ea
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SHA256
4e55263ebba2e1a281ab5448d15e8ad103f24869b97326ae4ab0496cf5be6fdc
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SHA512
4046e19810ad5c010a28c7d07fdc658d2726cc5ea8c818b30717f9e8a5b1af559533f143a802ca426f324a7900281d585e40844a7806a976eb360ccc2e478ecd
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SSDEEP
3072:f4UfK5aqn2lj3Wa4NbRJDbHT7WVbrzQ7ITkEHSchIPaHbK:QRf/KVy
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.
Processes:
cmd.execmd.execmd.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4384 3536 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1436 3536 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1688 3536 cmd.exe EXCEL.EXE -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\d48c585a4363b551f08f9a4cc3c4c1d3_JaffaCakes118.xls office_xlm_macros -
Deletes itself 1 IoCs
Processes:
EXCEL.EXEpid process 3536 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.
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 -
NTFS ADS 1 IoCs
Processes:
EXCEL.EXEdescription ioc process File created C:\Users\Admin\AppData\Local\Temp\7D975E00\:Zone.Identifier:$DATA EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 3536 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 14 IoCs
Processes:
EXCEL.EXEpid process 3536 EXCEL.EXE 3536 EXCEL.EXE 3536 EXCEL.EXE 3536 EXCEL.EXE 3536 EXCEL.EXE 3536 EXCEL.EXE 3536 EXCEL.EXE 3536 EXCEL.EXE 3536 EXCEL.EXE 3536 EXCEL.EXE 3536 EXCEL.EXE 3536 EXCEL.EXE 3536 EXCEL.EXE 3536 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 3536 wrote to memory of 1688 3536 EXCEL.EXE cmd.exe PID 3536 wrote to memory of 1688 3536 EXCEL.EXE cmd.exe PID 3536 wrote to memory of 1436 3536 EXCEL.EXE cmd.exe PID 3536 wrote to memory of 1436 3536 EXCEL.EXE cmd.exe PID 3536 wrote to memory of 4384 3536 EXCEL.EXE cmd.exe PID 3536 wrote to memory of 4384 3536 EXCEL.EXE cmd.exe PID 1688 wrote to memory of 4864 1688 cmd.exe attrib.exe PID 1688 wrote to memory of 4864 1688 cmd.exe attrib.exe -
Views/modifies file attributes 1 TTPs 1 IoCs
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\d48c585a4363b551f08f9a4cc3c4c1d3_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:3536 -
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:1688 -
C:\Windows\system32\attrib.exeattrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"3⤵
- Views/modifies file attributes
PID:4864 -
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:1436 -
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:4384
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
154KB
MD572bbb54e520a6bf02e063ccf8679ec93
SHA11cad26a303a47528008bd662fca7cf6467ec506c
SHA256d59d6472f0362da9f6214bfa096f9d36cf47b908a850aef199fa359a827bcca8
SHA51276d134b7bd605e0ca2f24158dce6266b5ee4beae025f595d3f2dc87950a3c80b367d94b6a87c3d9315a349b45a1e0ae87c52dfefada968f5c73e6fabb15c23a3
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize2KB
MD5016d8b2d104742e8bdc5eb1bb886643f
SHA1e6293a7b5e371f55848b7d6e65e4f83a38a33594
SHA2569495cd53b638e10fedec749012e33428d7052a086829c19c65d669aaaac3b036
SHA512b130567802ec0f30b536e043bd453534b67464fbf1362123eef93363e5fb8dbd1132a1026e997a24f2569d5f9c4be1a4fb4e93bfa4312e186928e59ea80de402