Analysis
- max time kernel
149s - max time network
153s - 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, 12:24
Static task
static1
Behavioral task
behavioral1
Sample
avast_decryptor_hermeticransom.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
General
- Target avast_decryptor_hermeticransom.exe
- Size 2.7MB
- Sample260805-plbptaah45
- SHA256 d27a35761a43145dc61f3656ef2190659b892ba6fdd2780aec7e58f42440687b
- MD5 926afef91bfec583b50d5622ea9c649e
- SHA1 6dd4c0217e0966adcb73443a9f194575b7f3231a
- SHA512 7db4c2a351127116575224759844929a350540ff84a9a77bf243c707e68da7209a36c1658d72a03cccf5df6f69f091e0e03f9910c1d6a6ae8b2bbd2737966d8f
- SSDEEP 49152:BNC4eEK2gh8O1Dsu9WRzeJZ1s6NuRkV8f7rNeXCLVyxmB4bdefVC7p:fK2giO1giCRHIXqVFBjVg
- TLSH T126D523473EE24D46EA914B38ECBCBE5901247FFA08245B0FB13A7E4D39B259B4934761
- 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_hermeticransom.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_hermeticransom.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3856 avast_decryptor_hermeticransom.exe 3856 avast_decryptor_hermeticransom.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3856 avast_decryptor_hermeticransom.exe 3856 avast_decryptor_hermeticransom.exe - Suspicious use of UnmapMainImage 1 IoCs
pid Process 3856 avast_decryptor_hermeticransom.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\avast_decryptor_hermeticransom.exe"C:\Users\Admin\AppData\Local\Temp\avast_decryptor_hermeticransom.exe"1⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of UnmapMainImage
PID:3856
Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1