Analysis
- max time kernel
134s - max time network
244s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
05/05/2024, 22:23
General
- Target 1a078c4545a861c6f42aa9920d0265ca0d63dd000a6f4251c30419604b7e867d.exe
- Size 1.9MB
- Sample240505-2a6f9sff8t
- SHA256 1a078c4545a861c6f42aa9920d0265ca0d63dd000a6f4251c30419604b7e867d
Malware Config
Extracted
-
stealc
-
http://45.11.92.124
-
url_path
/982c183d8a9835c6.php
Signatures
- Stealc
Stealc is an infostealer written in C++.
- Downloads MZ/PE file
- Loads dropped DLL 2 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- 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.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\1a078c4545a861c6f42aa9920d0265ca0d63dd000a6f4251c30419604b7e867d.exe"C:\Users\Admin\AppData\Local\Temp\1a078c4545a861c6f42aa9920d0265ca0d63dd000a6f4251c30419604b7e867d.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
mozglue.dll
nss3.dll
memory/600-5-0x00000000034F0000-0x000000000372B000-memory.dmp
memory/600-6-0x00000000034F0000-0x000000000372B000-memory.dmp
memory/600-8-0x00000000034F0000-0x000000000372B000-memory.dmp
memory/600-9-0x00000000014A2000-0x00000000014A3000-memory.dmp
memory/600-10-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/600-51-0x00000000034F0000-0x000000000372B000-memory.dmp
memory/600-81-0x00000000034F0000-0x000000000372B000-memory.dmp