Analysis
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max time kernel
143s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04/09/2024, 07:37
Static task
static1
Behavioral task
behavioral1
Sample
06623c47be31158c77417823a17e5e1c203068da959bbaaa64743420371e9a81.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
06623c47be31158c77417823a17e5e1c203068da959bbaaa64743420371e9a81.xls
Resource
win10v2004-20240802-en
General
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Target
06623c47be31158c77417823a17e5e1c203068da959bbaaa64743420371e9a81.xls
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Size
209KB
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MD5
5b28aea68f6bcfd8336c85b3722e2a1a
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SHA1
823f8e5c8f994193202af76a22fd6e989f5b11cd
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SHA256
06623c47be31158c77417823a17e5e1c203068da959bbaaa64743420371e9a81
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SHA512
43b5476dc553a68c0be346bd4cb68b72e5974a971ffd0f4dfd46d3ee47cfca64b550da9596e6a1f485118dacd35cc25d579fb175fa044b9c022ccb9aa87d90e9
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SSDEEP
6144:xYh2x8eIzSrXvjNC0tc5J68eKZI8DQyfaWlBjhb:xTx8eIzSrtofU8DZd
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 5080 5072 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 5072 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 5072 EXCEL.EXE 5072 EXCEL.EXE 5072 EXCEL.EXE 5072 EXCEL.EXE 5072 EXCEL.EXE 5072 EXCEL.EXE 5072 EXCEL.EXE 5072 EXCEL.EXE 5072 EXCEL.EXE 5072 EXCEL.EXE 5072 EXCEL.EXE 5072 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 5072 wrote to memory of 5080 5072 EXCEL.EXE 90 PID 5072 wrote to memory of 5080 5072 EXCEL.EXE 90 -
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\06623c47be31158c77417823a17e5e1c203068da959bbaaa64743420371e9a81.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5072 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:5080
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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
Filesize2KB
MD5fafc3ae6868429713226fe0ddd9df16f
SHA1d2849a08c38358db0854be84b2e392cdf581a48a
SHA256b3d26a1cb9fea023909b6a290b78d80740cac692e7f742ec1fb925418be94bac
SHA51206b273b7ce8946fe07f69a62fa31d706d381d8bcef7e80217a1ac223571b6ca137bb43b5f768f6ce5a0c58baf78b81ba38cf3f63407f59e832c2cfb85cb6b70e