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Analysis
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max time kernel
60s -
max time network
61s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
21/08/2024, 21:54
Behavioral task
behavioral1
Sample
d97ff91ce5945eaeefee4f018f5e1536651128bdc1852e8f0f29b819e0905ac9.xls
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
d97ff91ce5945eaeefee4f018f5e1536651128bdc1852e8f0f29b819e0905ac9.xls
Resource
win10v2004-20240802-en
General
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Target
d97ff91ce5945eaeefee4f018f5e1536651128bdc1852e8f0f29b819e0905ac9.xls
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Size
193KB
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MD5
5397d5f6742ecf8037af59340234266c
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SHA1
6661d29b46b3555f9b3493aa9cfc7999c4926ab7
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SHA256
d97ff91ce5945eaeefee4f018f5e1536651128bdc1852e8f0f29b819e0905ac9
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SHA512
a665a90283afee71140b5de8cb7ac33a1c530c98e576decd6a69a45486bd418163bebc5dc8ef6425b17170541f090945b3ef7af4a7abcdff80d8830daae9d59e
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SSDEEP
6144:/J7xEtjPOtioVjDGUU1qfDlavx+WYIxA7mZcwd:o6wd
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.
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 4928 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4928 wrote to memory of 4624 4928 EXCEL.EXE 95 PID 4928 wrote to memory of 4624 4928 EXCEL.EXE 95
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\d97ff91ce5945eaeefee4f018f5e1536651128bdc1852e8f0f29b819e0905ac9.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4928 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:4624
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:792
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4248,i,15436195446242760253,4000484513008731869,262144 --variations-seed-version --mojo-platform-channel-handle=3484 /prefetch:81⤵PID:3776
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
MD5e1afc8db916709d973f0181832007c03
SHA1f8a3d785b79fc6508edabcee2848d869e84b7f39
SHA2561afbcf011f3a61d9528d55fb42c4697812dc6e0f0455dd88c1eedd7ed6de92d8
SHA5122a25cb172cc991e8403f8610cd758683faf5005c9908eb17f59cd2b39e36854d51f5497be4bc648bc17d99e0ff1f58e1be2f7c5f48561790a580bd2f68b3e46d