Analysis
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max time kernel
133s -
max time network
112s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
11-05-2024 19:42
Static task
static1
Behavioral task
behavioral1
Sample
44e65a641fb970031c5efed324676b5018803e0a768608d3e186152102615795.xlsx
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
44e65a641fb970031c5efed324676b5018803e0a768608d3e186152102615795.xlsx
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
decrypted.xlsx
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
decrypted.xlsx
Resource
win10v2004-20240508-en
General
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Target
44e65a641fb970031c5efed324676b5018803e0a768608d3e186152102615795.xlsx
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Size
2.1MB
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MD5
c9ad9506bcccfaa987ff9fc11b91698d
-
SHA1
e788183a2a021f74a21f609e514bb63c4ef2fe49
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SHA256
44e65a641fb970031c5efed324676b5018803e0a768608d3e186152102615795
-
SHA512
509c7c387810399b4a35371b1ae77733184299ee631f13b70e1582a9bed32c8eebaea79beb8ce7bf07ac8d3fcd7d09fd460a461266e073d6d2e6acc5e3bc68b2
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SSDEEP
49152:hEK5fuBxYw1iHM+eP4yFIIFd52Mp21N5xb/CVBqCwj7IjLQc1U4l:SK5f6xYSl+VMy8G5ZC6CCIQc1/l
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.
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1488 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 13 IoCs
Processes:
EXCEL.EXEpid process 1488 EXCEL.EXE 1488 EXCEL.EXE 1488 EXCEL.EXE 1488 EXCEL.EXE 1488 EXCEL.EXE 1488 EXCEL.EXE 1488 EXCEL.EXE 1488 EXCEL.EXE 1488 EXCEL.EXE 1488 EXCEL.EXE 1488 EXCEL.EXE 1488 EXCEL.EXE 1488 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\44e65a641fb970031c5efed324676b5018803e0a768608d3e186152102615795.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1488