Analysis
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max time kernel
133s -
max time network
144s -
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 18:26
Behavioral task
behavioral1
Sample
54d6289b328d591f87df47b6141b34a51f9d9c93ec82532e1898f74895612e21.xls
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
54d6289b328d591f87df47b6141b34a51f9d9c93ec82532e1898f74895612e21.xls
Resource
win10v2004-20241007-en
General
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Target
54d6289b328d591f87df47b6141b34a51f9d9c93ec82532e1898f74895612e21.xls
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Size
96KB
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MD5
c2b17630ce80dc179d4f8373b8378b12
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SHA1
61949878a86175fa9be211cad79951114cb0a1ce
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SHA256
54d6289b328d591f87df47b6141b34a51f9d9c93ec82532e1898f74895612e21
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SHA512
9bc93855f60ea04da7e69241254943141d884c3a335fdd5ea0057abcd71d9149e2627320e174a532687d88a19a9d9431b68d9ad75a4a037c124acb5f368ffa58
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SSDEEP
1536:WkKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgEHuS4hcTO97v7UYdEJmW7:JKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgI
Malware Config
Extracted
https://bpsjambi.id/about/CcN5IbuInPQ/
https://greenlizard.co.za/amanah/pu8xeUOpqqq/
https://akuntansi.itny.ac.id/asset/NH7qwRrn81Taa0VVqpx/
https://www.yell.ge/nav_logo/x960wo3PHaIUm/
Signatures
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Process spawned unexpected child process 4 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exedescription pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3060 4156 regsvr32.exe 81 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3484 4156 regsvr32.exe 81 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1332 4156 regsvr32.exe 81 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2540 4156 regsvr32.exe 81 -
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 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 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 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid Process 4156 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid Process 4156 EXCEL.EXE 4156 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid Process 4156 EXCEL.EXE 4156 EXCEL.EXE 4156 EXCEL.EXE 4156 EXCEL.EXE 4156 EXCEL.EXE 4156 EXCEL.EXE 4156 EXCEL.EXE 4156 EXCEL.EXE 4156 EXCEL.EXE 4156 EXCEL.EXE 4156 EXCEL.EXE 4156 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEdescription pid Process procid_target PID 4156 wrote to memory of 3060 4156 EXCEL.EXE 86 PID 4156 wrote to memory of 3060 4156 EXCEL.EXE 86 PID 4156 wrote to memory of 3484 4156 EXCEL.EXE 89 PID 4156 wrote to memory of 3484 4156 EXCEL.EXE 89 PID 4156 wrote to memory of 1332 4156 EXCEL.EXE 91 PID 4156 wrote to memory of 1332 4156 EXCEL.EXE 91 PID 4156 wrote to memory of 2540 4156 EXCEL.EXE 92 PID 4156 wrote to memory of 2540 4156 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\54d6289b328d591f87df47b6141b34a51f9d9c93ec82532e1898f74895612e21.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:4156 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci1.ocx2⤵
- Process spawned unexpected child process
PID:3060
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci2.ocx2⤵
- Process spawned unexpected child process
PID:3484
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci3.ocx2⤵
- Process spawned unexpected child process
PID:1332
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci4.ocx2⤵
- Process spawned unexpected child process
PID:2540
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize1KB
MD5d90864341f7b54d7eb6437c4c0599012
SHA1db342efaa129003577bdb8658066f69d129fe053
SHA2561314d69a462db9383196adc244686173fef4c667e50d161b5bb35605951ec978
SHA512a3c9e14f9b9f8ac93ebf095af92b872f3daeaadb99c8d6f3aaeb72a32f3e35964e595b5d36925c169cc94499107e79597f7ab00473476103b7171d6f5ce33389