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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
30/12/2023, 20:55
Static task
static1
Behavioral task
behavioral1
Sample
1c4b02843e1718f0ccaa3efc0b96d787.doc
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
1c4b02843e1718f0ccaa3efc0b96d787.doc
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
decrypted.xlsx
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
decrypted.xlsx
Resource
win10v2004-20231215-en
General
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Target
1c4b02843e1718f0ccaa3efc0b96d787.doc
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Size
1.1MB
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MD5
1c4b02843e1718f0ccaa3efc0b96d787
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SHA1
d52e554fc2c0870fd47e2220ca96fad5de4ddcc7
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SHA256
79ac9ebfe82fa27619293d0292766d75653581b7112abef67047b0943e55cc16
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SHA512
54437bfa1791febad63dd1ef94afdc8e73b283b4401ab05f7b10ed076802d0b24282a2d742f5f66f8f8970a3dbc132a866d8ecb50050ee868ec53575283e8fb3
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SSDEEP
24576:99ZZu24xGQR6L+VY/hTPCH0w/iPM1HCbZTXpffvUqsX:x479AICVVffVsX
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 4460 WINWORD.EXE 4460 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 16 IoCs
pid Process 4460 WINWORD.EXE 4460 WINWORD.EXE 4460 WINWORD.EXE 4460 WINWORD.EXE 4460 WINWORD.EXE 4460 WINWORD.EXE 4460 WINWORD.EXE 4460 WINWORD.EXE 4460 WINWORD.EXE 4460 WINWORD.EXE 4460 WINWORD.EXE 4460 WINWORD.EXE 4460 WINWORD.EXE 4460 WINWORD.EXE 4460 WINWORD.EXE 4460 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\1c4b02843e1718f0ccaa3efc0b96d787.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4460