Analysis
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max time kernel
144s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240910-en -
resource tags
arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system -
submitted
02-10-2024 01:34
Static task
static1
Behavioral task
behavioral1
Sample
c041864b59bbcc3ffb518337b77a636aa23967f552ec712ffebc25df56f399f1.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c041864b59bbcc3ffb518337b77a636aa23967f552ec712ffebc25df56f399f1.xls
Resource
win10v2004-20240910-en
General
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Target
c041864b59bbcc3ffb518337b77a636aa23967f552ec712ffebc25df56f399f1.xls
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Size
866KB
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MD5
b74b9f77a4f538ff131c1be7ed01414f
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SHA1
25dac77c5cf517d87da4e2b936a294b88c73185d
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SHA256
c041864b59bbcc3ffb518337b77a636aa23967f552ec712ffebc25df56f399f1
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SHA512
19b80ce89cef0288e95081dab9da47df5afc20a958159cd9ac9f96177fb0e249ee713524f703109b3effaf1f48a28251187fd6b0c2eb59d4be870d0eb53932c7
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SSDEEP
24576:2VgVPjrLE7wRtMk8gwYRJBeMgBDDb/7zpkH/6:2yjXE7wRKzERJTgBXbm
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 644 4492 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 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 4492 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4492 EXCEL.EXE 4492 EXCEL.EXE 4492 EXCEL.EXE 4492 EXCEL.EXE 4492 EXCEL.EXE 4492 EXCEL.EXE 4492 EXCEL.EXE 4492 EXCEL.EXE 4492 EXCEL.EXE 4492 EXCEL.EXE 4492 EXCEL.EXE 4492 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4492 wrote to memory of 644 4492 EXCEL.EXE 90 PID 4492 wrote to memory of 644 4492 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\c041864b59bbcc3ffb518337b77a636aa23967f552ec712ffebc25df56f399f1.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4492 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:644
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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
Filesize1KB
MD5f76fba60e99257bc48c839b324c4e0a1
SHA139b4b3df8719e33b8bbb1326980f0a88bf7a71ed
SHA25661eb8c9966a2950e2d6bbe8fa895b8635b3c0e3917b9f45135f5660ffa71f0ac
SHA512a212229b8d19147e76b4463fc3a34caec6fdef4c2e388161d2ad2f1acf11ed0521d724f1c829959556b7bae75bed49ff8b15d4728a65376a6cdb111a0a28bc73