Analysis
- max time kernel
195s - max time network
300s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
16/05/2024, 23:33
General
- Target 85f3863f8213884fa767d8c9bc9d7b1c548e1dc7c22010a085c4ccfbe9dbda4d.exe
- Size 239KB
- Sample240516-3j9qqaee67
- SHA256 85f3863f8213884fa767d8c9bc9d7b1c548e1dc7c22010a085c4ccfbe9dbda4d
Malware Config
Extracted
-
stealc
-
default100
-
http://185.172.128.151
-
url_path
/7043a0c6a68d9c65.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.
- 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\85f3863f8213884fa767d8c9bc9d7b1c548e1dc7c22010a085c4ccfbe9dbda4d.exe"C:\Users\Admin\AppData\Local\Temp\85f3863f8213884fa767d8c9bc9d7b1c548e1dc7c22010a085c4ccfbe9dbda4d.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
Are.docx
mozglue.dll
nss3.dll
memory/3080-3-0x0000000000400000-0x000000000063B000-memory.dmp
memory/3080-2-0x0000000002970000-0x0000000002997000-memory.dmp
memory/3080-1-0x00000000029C0000-0x0000000002AC0000-memory.dmp
memory/3080-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3080-65-0x0000000000400000-0x0000000002728000-memory.dmp
memory/3080-80-0x0000000000400000-0x000000000063B000-memory.dmp
memory/3080-79-0x0000000000400000-0x0000000002728000-memory.dmp