Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
21-04-2024 01:01
Behavioral task
behavioral1
Sample
fe0f5ae3b710eec1e619608577db6799_JaffaCakes118.xls
Resource
win7-20240221-en
General
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Target
fe0f5ae3b710eec1e619608577db6799_JaffaCakes118.xls
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Size
120KB
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MD5
fe0f5ae3b710eec1e619608577db6799
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SHA1
9dd9b0f059bc2ad4ee5f99ecf85646fc9387d8c7
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SHA256
50ade8417dbe90a185704054a83aae74d5bbf2c7cdb4de211b3a11a2990de207
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SHA512
1b3f12e2b565d654abc66d091c6eb2a1ff7b9d26eb88ac7068566363edd603fb7952f1eb76561ec6aaa86a3f69e5029f3bbd0157a5e15cbd0101bfdae7bdb557
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SSDEEP
3072:It1olbY7GpWoWVbrzQ7ITk932AJtXww5kjFB:It1olTG2
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 3516 4856 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1356 4856 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1500 4856 cmd.exe EXCEL.EXE -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\fe0f5ae3b710eec1e619608577db6799_JaffaCakes118.xls office_xlm_macros -
Deletes itself 1 IoCs
Processes:
EXCEL.EXEpid process 4856 EXCEL.EXE -
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\BF475E00\:Zone.Identifier:$DATA EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 4856 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 4856 EXCEL.EXE 4856 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 16 IoCs
Processes:
EXCEL.EXEpid process 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 4856 wrote to memory of 1500 4856 EXCEL.EXE cmd.exe PID 4856 wrote to memory of 1500 4856 EXCEL.EXE cmd.exe PID 4856 wrote to memory of 1356 4856 EXCEL.EXE cmd.exe PID 4856 wrote to memory of 1356 4856 EXCEL.EXE cmd.exe PID 4856 wrote to memory of 3516 4856 EXCEL.EXE cmd.exe PID 4856 wrote to memory of 3516 4856 EXCEL.EXE cmd.exe PID 1500 wrote to memory of 4616 1500 cmd.exe attrib.exe PID 1500 wrote to memory of 4616 1500 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\fe0f5ae3b710eec1e619608577db6799_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
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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
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C:\Windows\system32\attrib.exeattrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"3⤵
- Views/modifies file attributes
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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
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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
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\fe0f5ae3b710eec1e619608577db6799_JaffaCakes118.xlsFilesize
143KB
MD5d2c03f086445a9aa39b4c5f48b9cee7f
SHA16f94693e4b42a8b0b148e387526e9ae905f15da9
SHA2569bc0d77a42d04bf757800bf874c1c9262797ad956bc1c51e3e588261d40f802e
SHA512651944c955531be6b1ac35e2a95884d0e5e8d11d4095b735423f5e29daf97a52443fba07bac058d4ea59d68b8b573a1bb32b97766d892a7c8089d77afeb8cb64
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memory/4856-0-0x00007FFB19A10000-0x00007FFB19A20000-memory.dmpFilesize
64KB
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memory/4856-2-0x00007FFB19A10000-0x00007FFB19A20000-memory.dmpFilesize
64KB
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memory/4856-1-0x00007FFB19A10000-0x00007FFB19A20000-memory.dmpFilesize
64KB
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memory/4856-3-0x00007FFB59990000-0x00007FFB59B85000-memory.dmpFilesize
2.0MB
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memory/4856-4-0x00007FFB59990000-0x00007FFB59B85000-memory.dmpFilesize
2.0MB
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memory/4856-8-0x00007FFB19A10000-0x00007FFB19A20000-memory.dmpFilesize
64KB
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memory/4856-7-0x00007FFB59990000-0x00007FFB59B85000-memory.dmpFilesize
2.0MB
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memory/4856-6-0x00007FFB59990000-0x00007FFB59B85000-memory.dmpFilesize
2.0MB
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memory/4856-5-0x00007FFB19A10000-0x00007FFB19A20000-memory.dmpFilesize
64KB
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memory/4856-9-0x00007FFB59990000-0x00007FFB59B85000-memory.dmpFilesize
2.0MB
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memory/4856-10-0x00007FFB59990000-0x00007FFB59B85000-memory.dmpFilesize
2.0MB
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memory/4856-11-0x00007FFB17310000-0x00007FFB17320000-memory.dmpFilesize
64KB
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memory/4856-12-0x00007FFB59990000-0x00007FFB59B85000-memory.dmpFilesize
2.0MB
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memory/4856-13-0x00007FFB59990000-0x00007FFB59B85000-memory.dmpFilesize
2.0MB
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memory/4856-14-0x00007FFB59990000-0x00007FFB59B85000-memory.dmpFilesize
2.0MB
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memory/4856-15-0x00007FFB17310000-0x00007FFB17320000-memory.dmpFilesize
64KB
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memory/4856-16-0x00007FFB59990000-0x00007FFB59B85000-memory.dmpFilesize
2.0MB
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memory/4856-17-0x00007FFB59990000-0x00007FFB59B85000-memory.dmpFilesize
2.0MB
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memory/4856-18-0x00007FFB59990000-0x00007FFB59B85000-memory.dmpFilesize
2.0MB
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memory/4856-19-0x00007FFB59990000-0x00007FFB59B85000-memory.dmpFilesize
2.0MB
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memory/4856-20-0x00007FFB59990000-0x00007FFB59B85000-memory.dmpFilesize
2.0MB
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memory/4856-22-0x00007FFB59990000-0x00007FFB59B85000-memory.dmpFilesize
2.0MB
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memory/4856-21-0x00007FFB59990000-0x00007FFB59B85000-memory.dmpFilesize
2.0MB
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memory/4856-36-0x0000014D80390000-0x0000014D80B90000-memory.dmpFilesize
8.0MB
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memory/4856-48-0x0000014D80390000-0x0000014D80B90000-memory.dmpFilesize
8.0MB
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memory/4856-51-0x0000014D80390000-0x0000014D80B90000-memory.dmpFilesize
8.0MB
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memory/4856-54-0x0000014D80390000-0x0000014D80B90000-memory.dmpFilesize
8.0MB
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memory/4856-58-0x0000014D85450000-0x0000014D86420000-memory.dmpFilesize
15.8MB
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memory/4856-60-0x0000014D85450000-0x0000014D86420000-memory.dmpFilesize
15.8MB
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memory/4856-64-0x0000014D85450000-0x0000014D86420000-memory.dmpFilesize
15.8MB
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memory/4856-67-0x0000014D85450000-0x0000014D86420000-memory.dmpFilesize
15.8MB
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memory/4856-71-0x0000014D85450000-0x0000014D86420000-memory.dmpFilesize
15.8MB
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memory/4856-77-0x0000014D85450000-0x0000014D86420000-memory.dmpFilesize
15.8MB
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memory/4856-81-0x0000014D85450000-0x0000014D86420000-memory.dmpFilesize
15.8MB
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memory/4856-84-0x0000014D85450000-0x0000014D86420000-memory.dmpFilesize
15.8MB
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memory/4856-103-0x0000014D85450000-0x0000014D86420000-memory.dmpFilesize
15.8MB
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memory/4856-113-0x00007FFB59990000-0x00007FFB59B85000-memory.dmpFilesize
2.0MB
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memory/4856-116-0x00007FFB59990000-0x00007FFB59B85000-memory.dmpFilesize
2.0MB
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memory/4856-117-0x00007FFB59990000-0x00007FFB59B85000-memory.dmpFilesize
2.0MB
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memory/4856-118-0x0000014D80390000-0x0000014D80B90000-memory.dmpFilesize
8.0MB
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memory/4856-119-0x0000014D80390000-0x0000014D80B90000-memory.dmpFilesize
8.0MB
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memory/4856-120-0x0000014D85450000-0x0000014D86420000-memory.dmpFilesize
15.8MB
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memory/4856-121-0x0000014D80390000-0x0000014D80B90000-memory.dmpFilesize
8.0MB
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memory/4856-122-0x0000014D80390000-0x0000014D80B90000-memory.dmpFilesize
8.0MB
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memory/4856-123-0x0000014D85450000-0x0000014D86420000-memory.dmpFilesize
15.8MB
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memory/4856-124-0x0000014D85450000-0x0000014D86420000-memory.dmpFilesize
15.8MB
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memory/4856-125-0x0000014D85450000-0x0000014D86420000-memory.dmpFilesize
15.8MB
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memory/4856-126-0x0000014D85450000-0x0000014D86420000-memory.dmpFilesize
15.8MB
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memory/4856-142-0x00007FFB19A10000-0x00007FFB19A20000-memory.dmpFilesize
64KB
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memory/4856-143-0x00007FFB19A10000-0x00007FFB19A20000-memory.dmpFilesize
64KB
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memory/4856-144-0x00007FFB19A10000-0x00007FFB19A20000-memory.dmpFilesize
64KB
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memory/4856-145-0x00007FFB19A10000-0x00007FFB19A20000-memory.dmpFilesize
64KB
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memory/4856-147-0x00007FFB59990000-0x00007FFB59B85000-memory.dmpFilesize
2.0MB
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memory/4856-146-0x00007FFB59990000-0x00007FFB59B85000-memory.dmpFilesize
2.0MB