Analysis
- max time kernel
140s - max time network
150s - platform
windows7_x64 - resource
win7-20231215-en - resource tags
- submitted
06/01/2024, 18:45
General
- Target syncUpd.exe
- Size 202KB
- Sample240106-xd2v2adfdr
- SHA256 4e90cbff460414a9bd5b8ba2c9680bca2f85d3a38b4d2b2242f8c176d102f72f
Malware Config
Extracted
-
stealc
-
http://185.172.128.79
-
url_path
/3886d2276f6914c4.php
Signatures
- Stealc
Stealc is an infostealer written in C++.
- Downloads MZ/PE file
- 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 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\syncUpd.exe"C:\Users\Admin\AppData\Local\Temp\syncUpd.exe"1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/2284-1-0x00000000009E0000-0x0000000000AE0000-memory.dmp
memory/2284-2-0x0000000000220000-0x000000000023C000-memory.dmp
memory/2284-3-0x0000000000400000-0x0000000000854000-memory.dmp
memory/2284-4-0x0000000000400000-0x0000000000854000-memory.dmp
memory/2284-5-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2284-34-0x0000000000400000-0x0000000000854000-memory.dmp
memory/2284-41-0x00000000009E0000-0x0000000000AE0000-memory.dmp
memory/2284-42-0x0000000000400000-0x0000000000854000-memory.dmp
memory/2284-43-0x0000000000400000-0x0000000000854000-memory.dmp
memory/2284-49-0x0000000000400000-0x0000000000854000-memory.dmp
memory/2284-66-0x0000000000400000-0x0000000000854000-memory.dmp
memory/2284-73-0x0000000000400000-0x0000000000854000-memory.dmp