Analysis
- max time kernel
25s - max time network
111s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 19:45
General
- Target SKP09408-8858-110520.exe
- Size 932KB
- Sample201109-1afb6fvc1a
- SHA256 441722dd08836654f243e5ab8a27da0a52ac6d1eac0e33c25e81068ce049338c
Malware Config
Signatures
- 404 Keylogger
Information stealer and keylogger first seen in 2019.
- 404 Keylogger Main Executable 2 IoCs
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- 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.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SKP09408-8858-110520.exe"C:\Users\Admin\AppData\Local\Temp\SKP09408-8858-110520.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\SKP09408-8858-110520.exe"C:\Users\Admin\AppData\Local\Temp\SKP09408-8858-110520.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2696-0-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2696-2-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2696-3-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2696-4-0x00000000020C0000-0x00000000020E2000-memory.dmp
memory/2696-5-0x00000000021A2000-0x00000000021A3000-memory.dmp
memory/2696-6-0x0000000073440000-0x0000000073B2E000-memory.dmp
memory/2696-9-0x0000000004930000-0x0000000004931000-memory.dmp
memory/2696-10-0x00000000047A0000-0x00000000047A1000-memory.dmp
memory/2696-11-0x0000000005670000-0x0000000005671000-memory.dmp
memory/2696-12-0x0000000005A60000-0x0000000005A61000-memory.dmp
memory/2696-13-0x0000000005E20000-0x0000000005E21000-memory.dmp