Analysis
- max time kernel
195s - max time network
257s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
05/05/2024, 22:56
General
- Target c867d9e400d87f94d2debce45faf45fb305597de3c5cb71a600d5dcf10ffa0f9.exe
- Size 275KB
- Sample240505-2w2efabf75
- SHA256 c867d9e400d87f94d2debce45faf45fb305597de3c5cb71a600d5dcf10ffa0f9
Malware Config
Extracted
-
stealc
-
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 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\c867d9e400d87f94d2debce45faf45fb305597de3c5cb71a600d5dcf10ffa0f9.exe"C:\Users\Admin\AppData\Local\Temp\c867d9e400d87f94d2debce45faf45fb305597de3c5cb71a600d5dcf10ffa0f9.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/2232-1-0x0000000002E10000-0x0000000002F10000-memory.dmp
memory/2232-2-0x0000000002C40000-0x0000000002C67000-memory.dmp
memory/2232-3-0x0000000000400000-0x000000000063B000-memory.dmp
memory/2232-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2232-72-0x0000000002C40000-0x0000000002C67000-memory.dmp
memory/2232-71-0x0000000000400000-0x000000000063B000-memory.dmp
memory/2232-70-0x0000000000400000-0x0000000002B02000-memory.dmp