Analysis
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max time kernel
150s -
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
28-10-2024 18:18
Static task
static1
Behavioral task
behavioral1
Sample
PaymentAdvice.xls
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
PaymentAdvice.xls
Resource
win10v2004-20241007-en
General
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Target
PaymentAdvice.xls
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Size
98KB
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MD5
b8fe6365e4a55cb70d0b9c457a7a7099
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SHA1
da353f9118f9d6c3a6eeea1891a3b8e0e89742d1
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SHA256
a563257161e5c3947e4ea5669e1ef5eafbe67d5049816de47313ada6f299ac10
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SHA512
cc884090cc6a883f58d85940c236e73faa92f27d3a501023264ab844028c75a3dac601218f17f52df46729778e8078bb4a52950a30f4e76b4d18de10b94f1f22
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SSDEEP
1536:4iqHy1S6F8b2SQrEkawpoXIonlwQMlUD5/VHGFht5mGs7Xh2ROvHt0ydYfki:QeFHrE2sIonlwQMl65/VmLIx24m
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 5096 4652 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 4652 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4652 EXCEL.EXE 4652 EXCEL.EXE 4652 EXCEL.EXE 4652 EXCEL.EXE 4652 EXCEL.EXE 4652 EXCEL.EXE 4652 EXCEL.EXE 4652 EXCEL.EXE 4652 EXCEL.EXE 4652 EXCEL.EXE 4652 EXCEL.EXE 4652 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4652 wrote to memory of 5096 4652 EXCEL.EXE 89 PID 4652 wrote to memory of 5096 4652 EXCEL.EXE 89 -
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\PaymentAdvice.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4652 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:5096
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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
MD5d2d0bdd6d89607dd9a350b9c8e841d34
SHA1d7a6447950e66cc7c61fa4a8056f4989182b48c5
SHA256adeee079ace31cc0e54b51c5bd27562d2f6c84f2b686395b0707f6ebd239b26c
SHA512741c4b32591cbac161d854e8f5f9c9d18c277db3adff071f969bed1c677d7d6e289c41dc38c234d0273b290503c69b446eb20fe74bc90b345d04e3e6c054b974