Analysis
- max time kernel
149s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
05/08/2026, 09:13
Static task
static1
Behavioral task
behavioral1
Sample
avast_decryptor_mafiaware666.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
General
- Target avast_decryptor_mafiaware666.exe
- Size 2.7MB
- Sample260805-k64twaterd
- SHA256 4b5709742e4a14d3571c28ba5f25293016441e28e57378c30b3b4113c12eb4d6
- MD5 d5ec5a82b0ee739c2fc37998d1a01f76
- SHA1 d6d352e068c10948c00b76c98a0baf460f8f5fb7
- SHA512 2f0e6be52920884eda1431377764c3afb96be5ee2c9cd40228944155348b8a37eaa2c7acfb4695a1a0167c5715ef0db840213f2977d57722baae14d8c93df0eb
- SSDEEP 49152:fFNhZRr/uZ3NADdgtPURbRMKSZWOS6gjqgYZzmFnQ5defVCJ:f31/i3W5gdrZmencB5Vg
- TLSH T1C7D523513FD48C02D9549A38FC7DBD6652267FF62D38664BA33A3E4C3CB629241347A2
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\F: avast_decryptor_mafiaware666.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- System Location Discovery: System Language Discovery 1 TTPs 1 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 avast_decryptor_mafiaware666.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4300 avast_decryptor_mafiaware666.exe 4300 avast_decryptor_mafiaware666.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4300 avast_decryptor_mafiaware666.exe 4300 avast_decryptor_mafiaware666.exe - Suspicious use of UnmapMainImage 1 IoCs
pid Process 4300 avast_decryptor_mafiaware666.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\avast_decryptor_mafiaware666.exe"C:\Users\Admin\AppData\Local\Temp\avast_decryptor_mafiaware666.exe"1⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of UnmapMainImage
PID:4300
Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1