Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20-11-2024 18:14
Behavioral task
behavioral1
Sample
f3c37c05e86e18cbcecff825c789a1f28307942c8f6e8a391c978a43fe39a72f.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f3c37c05e86e18cbcecff825c789a1f28307942c8f6e8a391c978a43fe39a72f.xls
Resource
win10v2004-20241007-en
General
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Target
f3c37c05e86e18cbcecff825c789a1f28307942c8f6e8a391c978a43fe39a72f.xls
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Size
71KB
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MD5
db071053ba8a4d07167c6af34ff810d4
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SHA1
db09c39369885fd20f346b8c323b386e9b38a56c
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SHA256
f3c37c05e86e18cbcecff825c789a1f28307942c8f6e8a391c978a43fe39a72f
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SHA512
e246a59cbf6b81cc6568caf2fd6accdccc93b6c6375a4b000b2a56165f4ba5e179e9943add5e35038ba5b4a6bb59361d83c27b420743cce7b05854f1925e9ca2
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SSDEEP
1536:jhKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+gT+hDcnTLiQrRTZws8EQ:lKpb8rGYrMPe3q7Q0XV5xtezE8vG8UMK
Malware Config
Extracted
https://sweetzone.co/js/XVK/
https://tassa.mx/edos/1hHlIQO/
http://assaref.ma/old_assaref/A2B3P/
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.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2932 4596 regsvr32.exe 84 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3936 4596 regsvr32.exe 84 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1372 4596 regsvr32.exe 84 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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
description 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 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4596 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4596 EXCEL.EXE 4596 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4596 EXCEL.EXE 4596 EXCEL.EXE 4596 EXCEL.EXE 4596 EXCEL.EXE 4596 EXCEL.EXE 4596 EXCEL.EXE 4596 EXCEL.EXE 4596 EXCEL.EXE 4596 EXCEL.EXE 4596 EXCEL.EXE 4596 EXCEL.EXE 4596 EXCEL.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4596 wrote to memory of 2932 4596 EXCEL.EXE 88 PID 4596 wrote to memory of 2932 4596 EXCEL.EXE 88 PID 4596 wrote to memory of 3936 4596 EXCEL.EXE 89 PID 4596 wrote to memory of 3936 4596 EXCEL.EXE 89 PID 4596 wrote to memory of 1372 4596 EXCEL.EXE 92 PID 4596 wrote to memory of 1372 4596 EXCEL.EXE 92
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\f3c37c05e86e18cbcecff825c789a1f28307942c8f6e8a391c978a43fe39a72f.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:4596 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\dxgxe1.ocx2⤵
- Process spawned unexpected child process
PID:2932
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\dxgxe2.ocx2⤵
- Process spawned unexpected child process
PID:3936
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\dxgxe3.ocx2⤵
- Process spawned unexpected child process
PID:1372
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize2KB
MD5c8faadaeae18adf46e8e64cb265301d0
SHA143e044d47cbeb33bafb461f1d646d277fb7fd45a
SHA256bc86d763686ba4af227d693fbc5f986d45dfe16b7c56d1af9798ef2404716174
SHA512eddc87181f802412b606f2473f26968e1e3bd35d2343b5f86675f8783e78060d70fed35e25963c9a4cdccd4cb87644d681711382552ad046c4d189358c2ca11a