Analysis
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max time kernel
185s -
max time network
253s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
05/05/2023, 21:00
Static task
static1
Behavioral task
behavioral1
Sample
TransferReceipt.xls
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
TransferReceipt.xls
Resource
win10v2004-20230221-en
General
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Target
TransferReceipt.xls
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Size
230KB
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MD5
0905bfe04230a4fd076307bda8641e29
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SHA1
1d8ce4b937eca4ff0ba604326003db322c5b21e0
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SHA256
8b6f3f934ee0ff505218f9c46229fa7e5b6af9263e4d9a58a408e582abeb78f6
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SHA512
4d8046c298218d187c37229dbc26545a3f31093f8908957043d0cc0860ddbd9c315d0c65f7174ade0de677a8b8aabedc852b96911453188bcfae8881e3f183d4
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SSDEEP
6144:kZ+RwPONXoRjDhIcp0fDlavx+W26nAGi0t80N5etRX8:WbNe
Malware Config
Signatures
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 1596 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1596 EXCEL.EXE 1596 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1596 EXCEL.EXE 1596 EXCEL.EXE 1596 EXCEL.EXE 1596 EXCEL.EXE 1596 EXCEL.EXE 1596 EXCEL.EXE 1596 EXCEL.EXE 1596 EXCEL.EXE 1596 EXCEL.EXE 1596 EXCEL.EXE 1596 EXCEL.EXE 1596 EXCEL.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\TransferReceipt.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:1596