Analysis
- max time kernel
141s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20231020-en - resource tags
- submitted
24/10/2023, 10:33
General
- Target SecuriteInfo.com.Win32.PWSX-gen.14129.7137.exe
- Size 175KB
- Sample231024-mlh3saea78
- SHA256 e37f694492ea3edeba2e7b6c7b51a451e802b29b11e70fe8509dfd8a3fc8bab9
Malware Config
Extracted
-
stealc
-
http://wy�ttsebastian.top
-
url_path
/e9c345fc99a4e67e.php
Signatures
- Stealc
Stealc is an infostealer written in C++.
- Downloads MZ/PE file
- Loads dropped DLL 2 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.14129.7137.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.14129.7137.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
mozglue.dll
nss3.dll
memory/668-5-0x0000000000A30000-0x0000000000B30000-memory.dmp
memory/668-8-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/668-46-0x0000000000400000-0x00000000007B4000-memory.dmp
memory/668-51-0x0000000000400000-0x00000000007B4000-memory.dmp
memory/668-55-0x0000000000400000-0x00000000007B4000-memory.dmp
memory/668-59-0x0000000000400000-0x00000000007B4000-memory.dmp
memory/668-66-0x0000000000400000-0x00000000007B4000-memory.dmp
memory/668-1-0x0000000000A30000-0x0000000000B30000-memory.dmp
memory/668-4-0x0000000000400000-0x00000000007B4000-memory.dmp
memory/668-3-0x0000000002500000-0x000000000251B000-memory.dmp
memory/668-83-0x0000000000400000-0x00000000007B4000-memory.dmp
memory/668-2-0x0000000000400000-0x00000000007B4000-memory.dmp
memory/668-92-0x0000000000400000-0x00000000007B4000-memory.dmp