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
28-10-2024 18:14
Static task
static1
Behavioral task
behavioral1
Sample
Payment Advice.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Payment Advice.xls
Resource
win10v2004-20241007-en
General
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Target
Payment Advice.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 2248 224 mshta.exe 83 -
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 224 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 224 EXCEL.EXE 224 EXCEL.EXE 224 EXCEL.EXE 224 EXCEL.EXE 224 EXCEL.EXE 224 EXCEL.EXE 224 EXCEL.EXE 224 EXCEL.EXE 224 EXCEL.EXE 224 EXCEL.EXE 224 EXCEL.EXE 224 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 224 wrote to memory of 2248 224 EXCEL.EXE 88 PID 224 wrote to memory of 2248 224 EXCEL.EXE 88 -
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\Payment Advice.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:224 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:2248
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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
MD5cb438f0dbe665d8960c1eb206d402fda
SHA1623bfb4735c371fe9ed0a6e1c17b8e3b2995f7b2
SHA2567636e1620dfbdd4927fe9c493866917e98807dff110bd2cef7232d2ff6138769
SHA5121af61a3c11ee33b8876a10c63f2e1c4ed9dfc1480ec9f6471e309c7af1d155c7741265635d9d6a34a2c4d33990c99aeee79faa5443f13b4b2d9a24c7004a9b4f