Analysis
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max time kernel
145s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-11-2024 02:41
Static task
static1
Behavioral task
behavioral1
Sample
7a131ae2f6bee4502aa717926cda6045a5528ba6a25d3dd3a5fbbb880af942ce.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
7a131ae2f6bee4502aa717926cda6045a5528ba6a25d3dd3a5fbbb880af942ce.xls
Resource
win10v2004-20241007-en
General
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Target
7a131ae2f6bee4502aa717926cda6045a5528ba6a25d3dd3a5fbbb880af942ce.xls
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Size
1.1MB
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MD5
2fa05b6430d95473b907dfe83338f462
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SHA1
3f830f801f4225891075a0fc5c2ef6cc8bc361cb
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SHA256
7a131ae2f6bee4502aa717926cda6045a5528ba6a25d3dd3a5fbbb880af942ce
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SHA512
fabf49e054a9fcf6cabb82f64c319a713adc058dbe2406a29b9744473bc94b960eb7208dc58855cfb14dd3442d70fd753054201877c451d042e03b12e13a7318
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SSDEEP
24576:5yaZxvseowaDI9eqvBw2L+LXlkWlXTgNXMAdsNUnh:5T0DIRvBwCuXlpM8usNAh
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 368 212 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 212 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 212 EXCEL.EXE 212 EXCEL.EXE 212 EXCEL.EXE 212 EXCEL.EXE 212 EXCEL.EXE 212 EXCEL.EXE 212 EXCEL.EXE 212 EXCEL.EXE 212 EXCEL.EXE 212 EXCEL.EXE 212 EXCEL.EXE 212 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 212 wrote to memory of 368 212 EXCEL.EXE 91 PID 212 wrote to memory of 368 212 EXCEL.EXE 91 -
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\7a131ae2f6bee4502aa717926cda6045a5528ba6a25d3dd3a5fbbb880af942ce.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:212 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:368
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