Analysis
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max time kernel
142s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
22-05-2024 02:20
Static task
static1
Behavioral task
behavioral1
Sample
c13159eb99d1b92b22205cfe5c41171036e7b7a8eed025eef28ba0c64aeab76d.xls
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c13159eb99d1b92b22205cfe5c41171036e7b7a8eed025eef28ba0c64aeab76d.xls
Resource
win10v2004-20240508-en
General
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Target
c13159eb99d1b92b22205cfe5c41171036e7b7a8eed025eef28ba0c64aeab76d.xls
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Size
244KB
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MD5
8813fb3ea35ac8131bd69dc60108459d
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SHA1
8f318f59337f1d22190b146e658d2cd32ff14b03
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SHA256
c13159eb99d1b92b22205cfe5c41171036e7b7a8eed025eef28ba0c64aeab76d
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SHA512
e0801ca6d6aa55c1b83193fc56202554d80cd6fd0a106b9c3bc8427f18de42e0c25ef39eff6bf72fcad8a342be05899eab99e3c9d268d7611a4fe18876401d9d
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SSDEEP
6144:6e4UcLe0JOqPQZR8MDdATCR3tSaxY4gwiDXDPbt:YUP/qPQZR8MxAm/SF3XDR
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.
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEpid process 4856 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE -
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\c13159eb99d1b92b22205cfe5c41171036e7b7a8eed025eef28ba0c64aeab76d.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4856
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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 --no-appcompat-clear --field-trial-handle=4196,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=4532 /prefetch:81⤵PID:2356