Analysis
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max time kernel
33s -
max time network
35s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20-12-2024 21:30
Static task
static1
Behavioral task
behavioral1
Sample
6399ec7931f939a771f05b26c5f87c249967b60a1149fdf19d83afcd6dbb052c.xlsm
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
6399ec7931f939a771f05b26c5f87c249967b60a1149fdf19d83afcd6dbb052c.xlsm
Resource
win10v2004-20241007-en
General
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Target
6399ec7931f939a771f05b26c5f87c249967b60a1149fdf19d83afcd6dbb052c.xlsm
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Size
16KB
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MD5
24a35175bdb1cac4ee36416d1b764f47
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SHA1
b576b6f25a58fb6c4d8b30deb1ed505ef6b38756
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SHA256
6399ec7931f939a771f05b26c5f87c249967b60a1149fdf19d83afcd6dbb052c
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SHA512
ed975a5da64f322d2d1853595bc5d85fef90fafe501085ae820373d87333db8c10607bdddfd6bba0020f59280db9bb618125bfe6972fa7ed43aa0bdea88ba6fa
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SSDEEP
384:034xEqle7ZIWq34kSnPFquOnFCaU/lsOvvZazPU:034/8N9P8znYaenn
Malware Config
Extracted
metasploit
windows/reverse_http
http://10.0.2.15:443/KRJrPvvKgWEpUihTTjbEEA7nPzU51HXOpUO-GK4eD8483muBlQcAAmJDuT8MLv3A4yJuKbmf3nfrzSyzLN
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.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3996 2588 DW20.EXE 82 -
Checks processor information in registry 2 TTPs 6 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process 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 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 -
Enumerates system info in registry 2 TTPs 5 IoCs
description ioc Process 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2588 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2588 EXCEL.EXE 2588 EXCEL.EXE 2588 EXCEL.EXE 2588 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2588 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2588 EXCEL.EXE 2588 EXCEL.EXE 2588 EXCEL.EXE 2588 EXCEL.EXE 2588 EXCEL.EXE 2588 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2588 wrote to memory of 3996 2588 EXCEL.EXE 87 PID 2588 wrote to memory of 3996 2588 EXCEL.EXE 87 PID 3996 wrote to memory of 2276 3996 DW20.EXE 88 PID 3996 wrote to memory of 2276 3996 DW20.EXE 88
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\6399ec7931f939a771f05b26c5f87c249967b60a1149fdf19d83afcd6dbb052c.xlsm"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:2588 -
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 45202⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3996 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 45203⤵
- Checks processor information in registry
- Enumerates system info in registry
PID:2276
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