Analysis
- max time kernel
143s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20230831-en - resource tags
arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system - submitted
01/09/2023, 18:09
Behavioral task
behavioral1
Sample
bPuC.exe
Resource
win7-20230831-en
1 signatures
150 seconds
Behavioral task
behavioral2
Sample
bPuC.exe
Resource
win10v2004-20230831-en
5 signatures
150 seconds
General
- Target bPuC.exe
- Size 32KB
- Sample230901-wrtwxagg94
- SHA256 e07b114dc126e3c9b27cabb8077931d1c3805457eee0d83db6b9717f185874c8
- MD5 ca200c4dfa94e84a23cd210cdc907fc0
- SHA1 58cc98e227b5aa117b49fb60f8a5b31a7eb897ad
- SHA512 96f2fa3cb8d3d7715d8f946abcf5cc5d5f643c71c24893ab5f3a5852bed526854376ce36862b6b72105d8a4c33f7d1e6dc88dcf8d5e5ac740cb4ebb023cba390
- SSDEEP 384:d0bUe5XB4e0XXOhbw0Q0mS03AWTxtTUFQqzFOObb9:OT9BueC55d0b9
- MD5 SHA1 SHA512 SSDEEP
Score
4/10
Malware Config
Signatures
- Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\AppCompat\Programs\Amcache.hve.tmp dw20.exe - 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 dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dw20.exe - Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dw20.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS dw20.exe - Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeRestorePrivilege 4964 dw20.exe Token: SeBackupPrivilege 4964 dw20.exe Token: SeBackupPrivilege 4964 dw20.exe Token: SeBackupPrivilege 4964 dw20.exe Token: SeBackupPrivilege 4964 dw20.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 452 wrote to memory of 4964 452 bPuC.exe 83 PID 452 wrote to memory of 4964 452 bPuC.exe 83 PID 452 wrote to memory of 4964 452 bPuC.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\bPuC.exe"C:\Users\Admin\AppData\Local\Temp\bPuC.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:452 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 4522⤵
- Drops file in Windows directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:4964
-