Analysis
- max time kernel
141s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
16/06/2024, 02:38
General
- Target b134607a248dfe314215ffab39636416dab92d791314f667dbcf9e9c5932d26e.exe
- Size 149KB
- Sample240616-c41enswdrd
- SHA256 b134607a248dfe314215ffab39636416dab92d791314f667dbcf9e9c5932d26e
Malware Config
Signatures
- Detect Xehook Payload 1 IoCs
- Xehook stealer
Xehook is an infostealer written in C#.
- 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.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 16 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\b134607a248dfe314215ffab39636416dab92d791314f667dbcf9e9c5932d26e.exe"C:\Users\Admin\AppData\Local\Temp\b134607a248dfe314215ffab39636416dab92d791314f667dbcf9e9c5932d26e.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\delete.bat" "2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\PING.EXEping 127.0.0.1 -n 23⤵
- Runs ping.exe
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
delete.bat
memory/1616-0-0x00007FFD3FDC3000-0x00007FFD3FDC5000-memory.dmp
memory/1616-1-0x0000000000EB0000-0x0000000000EDC000-memory.dmp
memory/1616-2-0x00000000017B0000-0x00000000017CA000-memory.dmp
memory/1616-3-0x00007FFD3FDC0000-0x00007FFD40881000-memory.dmp
memory/1616-4-0x00007FFD3FDC3000-0x00007FFD3FDC5000-memory.dmp
memory/1616-5-0x00007FFD3FDC0000-0x00007FFD40881000-memory.dmp
memory/1616-11-0x00007FFD3FDC0000-0x00007FFD40881000-memory.dmp