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Analysis
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max time kernel
143s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
25/09/2024, 05:58
Static task
static1
Behavioral task
behavioral1
Sample
TT4729920DBO.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
TT4729920DBO.xls
Resource
win10v2004-20240802-en
General
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Target
TT4729920DBO.xls
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Size
706KB
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MD5
8e11d5aa70716def9a1a5b172fd97fd0
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SHA1
1bde33d0c82ffb084be603c79ce8da90dbdc3f78
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SHA256
4455c01cd33c703e07f94289d8d4be5286d1ae05b2a6ec3855e6e95ed5ad49f9
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SHA512
7b1194cf3eb8cbacf4127db3b07f214c96898a73cc268e00fe977d2578466817e4706f90d56b69d4f7b30f76233d1170416422dc363fb27590c87526bf3375fa
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SSDEEP
12288:q+UOAsHFnd7HeT/o8gg8Rsfe8XV+1eO41kGbbfVLqYQiylWxLOPw3Jd+o4:qepsAbg8Ray4nbbnkWEPAv
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 3000 4944 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4944 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4944 EXCEL.EXE 4944 EXCEL.EXE 4944 EXCEL.EXE 4944 EXCEL.EXE 4944 EXCEL.EXE 4944 EXCEL.EXE 4944 EXCEL.EXE 4944 EXCEL.EXE 4944 EXCEL.EXE 4944 EXCEL.EXE 4944 EXCEL.EXE 4944 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4944 wrote to memory of 3000 4944 EXCEL.EXE 86 PID 4944 wrote to memory of 3000 4944 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\TT4729920DBO.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4944 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:3000
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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
MD5ca131e1d4cccdfcd4550b1ccd064ac10
SHA17c7662e885e99be3378c1876dad44ee5b28d2494
SHA256bb6fcec0febb8fadf792801d3e7164c3f83a654941cfe1c989bd6525add1bb39
SHA5121afaae79d16f980f6b814cfb67053c77cde0aa99ecefa2d37948ea1db73e75d1acba67cc029d113ebbbf9264337c5bf5bfbdda22db19b882754013965b2135eb