Analysis
- max time kernel
148s - max time network
134s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
03/08/2026, 18:15
Static task
static1
Behavioral task
behavioral1
Sample
avast_decryptor_hiddentear.exe
Resource
win10v2004-20260513-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
avast_decryptor_hiddentear.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target avast_decryptor_hiddentear.exe
- Size 2.3MB
- Sample260803-wwd19avera
- SHA256 575beeb9e0f2aee0094c615218ca080cf33c5ee4fc42bb58d3c25774e22ae83e
- MD5 0559e66e0c2ee3364afd8b9cc4a40dca
- SHA1 ecf7b9f7062a69b5a0d9ea13d32ee5531abc03af
- SHA512 d59ccb5d482832af67e2acc722d42940fe89ac9773dbbcb33f729ccb878d97619da70069ce0147919efa6d97a1d658b161bbcd7ad9fc1281b05721ce2925df30
- SSDEEP 24576:DUovqrRVFW2GnIkXyRBU8CiI7jAXbZ1PY6XmZe1QXmPsAITljOZ77OXOO33d5Yfy:BvYN/2P7MrZ1PY6XmZ1kkTAqndefVR8b
- TLSH T1D3B5E032BF8148B2E9D6853495BA6B7B4D327E334335C5C387A13D295C322D16A3E395
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
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_hiddentear.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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_hiddentear.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4828 avast_decryptor_hiddentear.exe 4828 avast_decryptor_hiddentear.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4828 avast_decryptor_hiddentear.exe 4828 avast_decryptor_hiddentear.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\avast_decryptor_hiddentear.exe"C:\Users\Admin\AppData\Local\Temp\avast_decryptor_hiddentear.exe"1⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4828