Analysis
- max time kernel
40s - max time network
41s - platform
windows7_x64 - resource
win7v20210410 - submitted
12/04/2021, 10:01
General
- Target gunzipped.exe
- Size 611KB
- Sample210412-63abj35ca6
- SHA256 17acf24c05c7bca527ec089ff2581de0a54e8793a89027cb3beea7bdedbf6296
Malware Config
Extracted
-
azorult
-
http://45.76.21.114/index.php
Signatures
- Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
- Loads dropped DLL 16 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of SetThreadContext 1 IoCs
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"{path}"2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/788-60-0x0000000075551000-0x0000000075553000-memory.dmp
memory/788-65-0x0000000000431000-0x0000000000432000-memory.dmp
memory/788-61-0x0000000000430000-0x0000000000431000-memory.dmp
memory/1488-66-0x0000000000400000-0x0000000000420000-memory.dmp
memory/1488-62-0x0000000000400000-0x0000000000420000-memory.dmp