Analysis
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max time kernel
150s -
max time network
169s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
31/12/2023, 07:01
Static task
static1
Behavioral task
behavioral1
Sample
2c8e85e32a1555e54b35e6255c4a8fcd.doc
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2c8e85e32a1555e54b35e6255c4a8fcd.doc
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
decrypted.xlsx
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
decrypted.xlsx
Resource
win10v2004-20231222-en
General
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Target
2c8e85e32a1555e54b35e6255c4a8fcd.doc
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Size
1.3MB
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MD5
2c8e85e32a1555e54b35e6255c4a8fcd
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SHA1
5356b410a7b310616b8417f1231d5f4a827d8f09
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SHA256
4ce8c618568fa28a0877067bd09d1aa6681fc3937ffc6c2bb2e6b527c9e24c64
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SHA512
4f5caa9c6f5e193679171e0d1dd714e0f509b6293443a9476e095db1655db6c1ca230f9f96041195be11dc9f933889c35f69b4fe3387fe5b0645b04197e2562f
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SSDEEP
24576:ugMqldWvLdphD254x6ShEDUGRDLk0OpXdtXLWitpet9MfSmfRj1/WYu:EqyvE4x6QGtkzZL4kHftBWB
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 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 336 WINWORD.EXE 336 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 16 IoCs
pid Process 336 WINWORD.EXE 336 WINWORD.EXE 336 WINWORD.EXE 336 WINWORD.EXE 336 WINWORD.EXE 336 WINWORD.EXE 336 WINWORD.EXE 336 WINWORD.EXE 336 WINWORD.EXE 336 WINWORD.EXE 336 WINWORD.EXE 336 WINWORD.EXE 336 WINWORD.EXE 336 WINWORD.EXE 336 WINWORD.EXE 336 WINWORD.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\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\2c8e85e32a1555e54b35e6255c4a8fcd.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:336