Analysis
- max time kernel
150s - max time network
128s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/07/2026, 06:29
Behavioral task
behavioral1
Sample
PixbudLauncher.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
General
- Target PixbudLauncher.exe
- Size 295KB
- Sample260730-g83stasbre
- SHA256 32095401f349347d7d4fa7530dd75a1951976ee3dda829fa714c0e5f5c86d227
- MD5 28b18282e4f809af19c7cb0d7897b247
- SHA1 12612beef608ff0b7aa9225f34d48e1e931d6e7e
- SHA512 579f8af8d659937f8eb36215c40b03d8af7854d77b6b6f4766a86730e691a66ae59fcef53e5dbcb93616b7595ea32ebb6e777e940f0a7a3577b05621e2512ba0
- SSDEEP 6144:bxvRZVLlfh7rZthO+JjkuHEEAt/wz/60ZEPCC:DZdfrXg+JwuKt/S/60Zq
- TLSH T13854224541484420EFFEFE784AA669CE237AD30FC46BAF5A98023D17B72B3575572432
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3644 pixbud.exe - Costura .NET executable packer 1 IoCs
Costura packer aka Costura Fody, is an add-in for the .NET framework that embeds all external dependency .dll files as resources inside main executable.
resource yara_rule behavioral2/files/0x00090000000167e7-11.dat costura - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PixbudLauncher.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language pixbud.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4416 PixbudLauncher.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4416 wrote to memory of 3644 4416 PixbudLauncher.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\PixbudLauncher.exe"C:\Users\Admin\AppData\Local\Temp\PixbudLauncher.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4416 -
C:\Users\Admin\AppData\Local\Temp\pixbud.exe"C:\Users\Admin\AppData\Local\Temp\pixbud.exe" 174954a8f1bd33c054a22423bc67d8ec C:\Users\Admin\AppData\Local\Temp\PixbudLauncher.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3644
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\pixbud.exe
- Size 811KB
- SHA256 a36aec8f0845303884b700a12f7f8c111c0484b7bdedf767e99ea902024e6d62
- MD5 a69a01bdfe5224137c93aa6b582e3e31
- SHA1 0bd42c1b172137e107c0d69f0a900a362dc1deca
- SHA512 b1ba171fc25abbe9e44087920e4e271d58707b27e37f9b5dfa5f08e2ebb87057e45185403729e236d210de7b1ed285c6935b4269e4c0036007884e211f58a602
- SSDEEP 12288:B8AqIjcBKXHJ0HfqBNabJH80cj5zbECZdfrXg+JwuKt/S/60Zqp:iIABKZ0HINaVH0jXfw+Jwz/S/61
- TLSH T1B00501003BDB5A5AF2E936F50BE8174523B4AE2B5311C7CBD9483C4F7966B8B4920763
- MD5 SHA1 SHA512 SSDEEP TLSH