Analysis
- max time kernel
140s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20240704-en - resource tags
- submitted
12/07/2024, 15:10
General
- Target file.exe
- Size 2.4MB
- Sample240712-sj1spsyfpm
- SHA256 c19e844a529bb52d59a243340243e2208ad23ca059aa6b095f555f415d22f687
Malware Config
Extracted
-
stealc
-
hate
-
http://85.28.47.30
-
url_path
/920475a59bac849d.php
Signatures
- Stealc
Stealc is an infostealer written in C++.
- Downloads MZ/PE file
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- 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.
- Suspicious use of NtSetInformationThreadHideFromDebugger 13 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks computer location settings
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\file.exe" & del "C:\ProgramData\*.dll"" & exit2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/4072-0-0x00000000002B0000-0x0000000000E89000-memory.dmp
memory/4072-1-0x000000007ECA0000-0x000000007F071000-memory.dmp
memory/4072-2-0x00000000002B0000-0x0000000000E89000-memory.dmp
memory/4072-3-0x00000000002B0000-0x0000000000E89000-memory.dmp
memory/4072-4-0x00000000002B0000-0x0000000000E89000-memory.dmp
memory/4072-5-0x000000007ECA0000-0x000000007F071000-memory.dmp
memory/4072-6-0x00000000002B0000-0x0000000000E89000-memory.dmp
memory/4072-7-0x00000000002B0000-0x0000000000E89000-memory.dmp
memory/4072-8-0x00000000002B0000-0x0000000000E89000-memory.dmp
memory/4072-9-0x00000000002B0000-0x0000000000E89000-memory.dmp
memory/4072-10-0x00000000002B0000-0x0000000000E89000-memory.dmp
memory/4072-11-0x00000000002B0000-0x0000000000E89000-memory.dmp
memory/4072-12-0x00000000002B0000-0x0000000000E89000-memory.dmp
memory/4072-13-0x00000000002B0000-0x0000000000E89000-memory.dmp
memory/4072-14-0x00000000002B0000-0x0000000000E89000-memory.dmp
memory/4072-15-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/4072-33-0x00000000002B0000-0x0000000000E89000-memory.dmp