Analysis
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max time kernel
35s -
max time network
36s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
06-11-2024 21:10
Behavioral task
behavioral1
Sample
796409250cfb873f26a814361b5c27c030b5f8e4afc5bba11a9866ab61ba15e5.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
796409250cfb873f26a814361b5c27c030b5f8e4afc5bba11a9866ab61ba15e5.xls
Resource
win10v2004-20241007-en
General
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Target
796409250cfb873f26a814361b5c27c030b5f8e4afc5bba11a9866ab61ba15e5.xls
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Size
57KB
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MD5
350628b96da81b057576d8fdf76ee672
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SHA1
a8a9e74fbfec12985d4623c5895602ebed90af5f
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SHA256
796409250cfb873f26a814361b5c27c030b5f8e4afc5bba11a9866ab61ba15e5
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SHA512
935a53d82fc96c408e10ee8d41c93d16f16b404bb3f53da679679703de95a27615d7e6a06466de6ac05f88b233c27818e14a4a37be3f888aa56812f705446d99
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SSDEEP
1536:qXk3hbdlylKsgqopeJBWhZFGkE+cL2NdANcw+pmgaCI2S:qXk3hbdlylKsgqopeJBWhZFGkE+cL2N8
Malware Config
Extracted
metasploit
windows/reverse_http
http://192.168.122.181:4444/Z5fVFI8ZO_ePmY6Y6r2OMAPLsk9oL1gmxjeNy
Signatures
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MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
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Metasploit family
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Process spawned suspicious child process 1 IoCs
This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.
Processes:
DW20.EXEdescription pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1396 3312 DW20.EXE 82 -
Checks processor information in registry 2 TTPs 6 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdwwin.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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 dwwin.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz dwwin.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dwwin.exe -
Enumerates system info in registry 2 TTPs 5 IoCs
Processes:
EXCEL.EXEdwwin.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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS dwwin.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dwwin.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid Process 3312 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
EXCEL.EXEpid Process 3312 EXCEL.EXE 3312 EXCEL.EXE 3312 EXCEL.EXE 3312 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
EXCEL.EXEpid Process 3312 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
EXCEL.EXEpid Process 3312 EXCEL.EXE 3312 EXCEL.EXE 3312 EXCEL.EXE 3312 EXCEL.EXE 3312 EXCEL.EXE 3312 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
EXCEL.EXEDW20.EXEdescription pid Process procid_target PID 3312 wrote to memory of 1396 3312 EXCEL.EXE 86 PID 3312 wrote to memory of 1396 3312 EXCEL.EXE 86 PID 1396 wrote to memory of 4868 1396 DW20.EXE 87 PID 1396 wrote to memory of 4868 1396 DW20.EXE 87
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\796409250cfb873f26a814361b5c27c030b5f8e4afc5bba11a9866ab61ba15e5.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3312 -
C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE"C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 45922⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:1396 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 45923⤵
- Checks processor information in registry
- Enumerates system info in registry
PID:4868
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