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.
Processes:
mshta.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2516 3700 mshta.exe EXCEL.EXE -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEpid process 3700 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid 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
Processes:
EXCEL.EXEdescription pid process target process PID 3700 wrote to memory of 2516 3700 EXCEL.EXE mshta.exe PID 3700 wrote to memory of 2516 3700 EXCEL.EXE mshta.exe -
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