Analysis
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max time kernel
143s -
max time network
149s -
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, 06:48
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
1.1MB
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MD5
5a69ac58c3133e24a783cf4ea670a243
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SHA1
7fdf7feed6f105ce6bfeb34fb44c9c58dfe9057e
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SHA256
f942a3046520f7838e33a1116faf8b9a6615756f044551651207f53b755a024d
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SHA512
5b338a97aacf226f9e4360eec8fa2149cb5a77836f357e76c276a799625f91ceb4c9b49c0ef13a9fc31a98770eb0088192ba0b05b2ec668beaa5cd71ccc30c04
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SSDEEP
24576:auq9PLiijE2Z5Z2amwshXCdQtF84LJQohL7m90Ns4Ql1xzRjpCrHac:auEPLiij7Z5ZKwsAsFjLJQohm90Clvzu
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 2516 3700 mshta.exe 82 -
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 3700 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3700 EXCEL.EXE 3700 EXCEL.EXE 3700 EXCEL.EXE 3700 EXCEL.EXE 3700 EXCEL.EXE 3700 EXCEL.EXE 3700 EXCEL.EXE 3700 EXCEL.EXE 3700 EXCEL.EXE 3700 EXCEL.EXE 3700 EXCEL.EXE 3700 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3700 wrote to memory of 2516 3700 EXCEL.EXE 88 PID 3700 wrote to memory of 2516 3700 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:3700 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:2516
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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
MD5fd88618b0b1b96be28ced569024c79c9
SHA1143338495681a28a885342e78e9af6fc48e0db67
SHA256700aa2544f36820b963d6bca54cee824593dbe66896595c3b9fc7a5cc7819f9c
SHA512245aa679ba80497cef78a78aacd5eddd97ab4d3b7c45b73e313fb80a9b700f353e978817c6a2b7905abe1d45b18452c4d4571d93124298ad496586dae23d2c20