Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
04-11-2024 06:58
Static task
static1
Behavioral task
behavioral1
Sample
PaymentAdvice-RefA22D4YdWsbE4.xla.xls
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
PaymentAdvice-RefA22D4YdWsbE4.xla.xls
Resource
win10v2004-20241007-en
General
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Target
PaymentAdvice-RefA22D4YdWsbE4.xla.xls
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Size
937KB
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MD5
b01b76c877321d03dab23c4d1bb26e48
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SHA1
faf698726f93f31fc1fcab31e8942d690220fa10
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SHA256
421895be443167f773741e1681d27ba2052fbef90d4def330cadb3206dbd651c
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SHA512
6756a5eefa442726525208796c7406146407be1a779655a647cdd3caa38a5c761848caf5a978e4cd612713aaef9307221411372859dffa82c860d723b307fc64
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SSDEEP
12288:2UXN9WeWy3aJwF1E3Zjy5dbHsu6KGsW+DYavtKVUgGw6M6ozBdUepzBf88SKe:fusaGF1EpyYu67sdDNVK+f9oTptaK
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 1872 3080 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 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 3080 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3080 EXCEL.EXE 3080 EXCEL.EXE 3080 EXCEL.EXE 3080 EXCEL.EXE 3080 EXCEL.EXE 3080 EXCEL.EXE 3080 EXCEL.EXE 3080 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3080 wrote to memory of 1872 3080 EXCEL.EXE 89 PID 3080 wrote to memory of 1872 3080 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-RefA22D4YdWsbE4.xla.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3080 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:1872
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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
MD5832103e8594d85627d8e52b30497fc93
SHA1b77a39e32a3cd6993aef4537726a5f250333f6c6
SHA25662d7bb75f3a0bfe3cc8b82e91731acfd3b6b29968cba52d511090475705af344
SHA512e2a75374f026ea05e21176703dfee28272f6f1a1bc6fa5363c3634563b52de9f4752dbf2e867e9daf91a78c705fdfc560f51988cf3193a4c74e90707e571f8a3