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Resubmissions
06/06/2024, 08:49
240606-krgqssda34 1Analysis
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max time kernel
149s -
max time network
278s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
06/06/2024, 08:49
Static task
static1
Behavioral task
behavioral1
Sample
Ref19920830281982938RT.xls
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Ref19920830281982938RT.xls
Resource
win10v2004-20240426-en
General
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Target
Ref19920830281982938RT.xls
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Size
408KB
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MD5
08326792fa733237e05605647c1c4a8f
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SHA1
47334667fe5cc7398b243adc376c636b126c81af
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SHA256
56eab73d48df97b4892444f6cc9961641157276cfdb571ff1f81ab7b4991d22b
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SHA512
6c1767f57192894e7bdcd52edd87a5446509e99bf8a66bdace4b0f46fcc2505efde315fbef6ad1964c4c08c67c975daea090c703552081bd8118ecbdcf2cb507
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SSDEEP
6144:yqFzL5LIT47Hj3oEp2om5TQAyjoGxiQRkD4ckhrg4Uf1eO+6Lo38Q5az91:yqFzu4Lj3Hp3m5sfjoKlkghrGRLonE
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 1624 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1624 EXCEL.EXE 1624 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1624 EXCEL.EXE 1624 EXCEL.EXE 1624 EXCEL.EXE 1624 EXCEL.EXE 1624 EXCEL.EXE 1624 EXCEL.EXE 1624 EXCEL.EXE 1624 EXCEL.EXE 1624 EXCEL.EXE 1624 EXCEL.EXE 1624 EXCEL.EXE 1624 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\Ref19920830281982938RT.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:1624