Analysis
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max time kernel
59s -
max time network
33s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04-09-2024 22:12
Behavioral task
behavioral1
Sample
580b70c690d00c5967ac66350c247fa82f022ac6c021121adebdc9a61b6a0bc8.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
580b70c690d00c5967ac66350c247fa82f022ac6c021121adebdc9a61b6a0bc8.xls
Resource
win10v2004-20240802-en
General
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Target
580b70c690d00c5967ac66350c247fa82f022ac6c021121adebdc9a61b6a0bc8.xls
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Size
36KB
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MD5
f3cb225da8977ea6a8114b0e505a6378
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SHA1
eb7a9968dbf4d1e09021addc3b5da5195cfe5730
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SHA256
580b70c690d00c5967ac66350c247fa82f022ac6c021121adebdc9a61b6a0bc8
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SHA512
3c1f76a17b56627f7ee146cfaa5470e37453e8cd8ec62c99499d9f70994c1a1f0609a73759ee825f51d4feee375162cc83c30c58dfdcea0ce512b0e2f8813afb
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SSDEEP
768:kPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJWbrQYUN19EcpVR:Aok3hbdlylKsgqopeJBWhZFGkE+cL2NI
Malware Config
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
explorer.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1824 4996 explorer.exe 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 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 -
Modifies registry class 1 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\Local Settings explorer.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 4996 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
EXCEL.EXEpid process 4996 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
EXCEL.EXEpid process 4996 EXCEL.EXE 4996 EXCEL.EXE 4996 EXCEL.EXE 4996 EXCEL.EXE 4996 EXCEL.EXE 4996 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
EXCEL.EXEexplorer.exedescription pid process target process PID 4996 wrote to memory of 1824 4996 EXCEL.EXE explorer.exe PID 4996 wrote to memory of 1824 4996 EXCEL.EXE explorer.exe PID 3868 wrote to memory of 2164 3868 explorer.exe WScript.exe PID 3868 wrote to memory of 2164 3868 explorer.exe WScript.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\580b70c690d00c5967ac66350c247fa82f022ac6c021121adebdc9a61b6a0bc8.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4996 -
C:\Windows\explorer.exeexplorer.exe C:\Users\Public\Documents\v1sL27.vbs2⤵
- Process spawned unexpected child process
PID:1824
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3868 -
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\v1sL27.vbs"2⤵PID:2164
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
557B
MD5b22bcfc73cf8e6a86ced79ca6ef2c207
SHA16940977ef8fc23606808118bafbbe77e350c225f
SHA2569b60c521aee21bca191c7403766a146de0b5391eb8cdbe29d77c5a0f8f705455
SHA512fae3ff23540b18fcd7ffce4ded2a3a11d6276c04d25d0fedcbc46e90e50db71a37ebccb11f8ac1a09dae8674dd3e16f7ab60b55b8470c3e337c3728ca19c44bd