Analysis
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max time kernel
143s -
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
21-11-2024 08:55
Static task
static1
Behavioral task
behavioral1
Sample
f942a3046520f7838e33a1116faf8b9a6615756f044551651207f53b755a024d.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f942a3046520f7838e33a1116faf8b9a6615756f044551651207f53b755a024d.xls
Resource
win10v2004-20241007-en
General
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Target
f942a3046520f7838e33a1116faf8b9a6615756f044551651207f53b755a024d.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 4136 4832 mshta.exe 81 -
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 4832 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4832 EXCEL.EXE 4832 EXCEL.EXE 4832 EXCEL.EXE 4832 EXCEL.EXE 4832 EXCEL.EXE 4832 EXCEL.EXE 4832 EXCEL.EXE 4832 EXCEL.EXE 4832 EXCEL.EXE 4832 EXCEL.EXE 4832 EXCEL.EXE 4832 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4832 wrote to memory of 4136 4832 EXCEL.EXE 86 PID 4832 wrote to memory of 4136 4832 EXCEL.EXE 86 -
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\f942a3046520f7838e33a1116faf8b9a6615756f044551651207f53b755a024d.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4832 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:4136
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