Analysis
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max time kernel
145s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
27-08-2024 08:08
Static task
static1
Behavioral task
behavioral1
Sample
Scan5437.xls
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
Scan5437.xls
Resource
win10v2004-20240802-en
General
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Target
Scan5437.xls
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Size
547KB
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MD5
fc23b2bb4839de7a4e0b7a8d17861dbe
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SHA1
4cf3d6e9e4c147f01f6a49c96b8078e7e9deec08
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SHA256
9335579a40449266958755dc24eeb37780534664433f120108e108ff26857d73
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SHA512
76abb9d58197f602aa18f51896140dab7568d0fc58d3a3d0c635eaa0668065e631502796aa8f5a790191fa9529dc3982b10604a9fc23cbdf825f57e035b28b99
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SSDEEP
12288:IZ1GWVjZScJbyWKEVuqg2/6VnDIh7xOP1fJYWe/egIY4Fg3lh:IbrjZsWKElYnvtfw/ed
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.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2872 376 mshta.exe 85 -
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 376 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 376 EXCEL.EXE 376 EXCEL.EXE 376 EXCEL.EXE 376 EXCEL.EXE 376 EXCEL.EXE 376 EXCEL.EXE 376 EXCEL.EXE 376 EXCEL.EXE 376 EXCEL.EXE 376 EXCEL.EXE 376 EXCEL.EXE 376 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 376 wrote to memory of 2872 376 EXCEL.EXE 92 PID 376 wrote to memory of 2872 376 EXCEL.EXE 92 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
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\Scan5437.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:376 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:2872
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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
Filesize1KB
MD52d3f01e206a04207094c679662c7e27d
SHA18ba86b1c26abcdae7c1ad727c31bcde03aa16ffa
SHA256b44478a8e4471f32b3501bc0e60bf0f012f7d6e83575e57c77dfa8ac13e721d0
SHA512610672c764a6d41f932622df6f503be699b7b065544431657b36558dda53a3ec118fc9cf299a6e64d0a4dd29b89fa78efdf4c13a2672a0cf51f516b3dc61a438