Analysis
- max time kernel
103s - max time network
111s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:10
General
- Target HP file 0354.exe
- Size 593KB
- Sample201109-gp7znetzva
- SHA256 e88d0c4baceb5c60db05c244764d3805fd453d268fdff9101e82d49eceb2d0b8
Malware Config
Signatures
- 404 Keylogger
Information stealer and keylogger first seen in 2019.
- 404 Keylogger Main Executable 3 IoCs
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops startup file 1 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 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 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\HP file 0354.exe"C:\Users\Admin\AppData\Local\Temp\HP file 0354.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\notepad.exe"C:\Windows\system32\notepad.exe"2⤵
- Drops startup file
-
-
C:\Users\Admin\AppData\Local\Temp\HP file 0354.exe"C:\Users\Admin\AppData\Local\Temp\HP file 0354.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/4116-6-0x00000000004E2000-0x00000000004E3000-memory.dmp
memory/4116-14-0x0000000005F20000-0x0000000005F21000-memory.dmp
memory/4116-3-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4116-4-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4116-5-0x0000000000530000-0x0000000000552000-memory.dmp
memory/4116-10-0x0000000004820000-0x0000000004821000-memory.dmp
memory/4116-15-0x00000000060E0000-0x00000000060E1000-memory.dmp
memory/4116-1-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4116-11-0x0000000004760000-0x0000000004761000-memory.dmp
memory/4116-12-0x0000000005660000-0x0000000005661000-memory.dmp
memory/4116-13-0x0000000005A60000-0x0000000005A61000-memory.dmp
memory/4116-7-0x0000000072E70000-0x000000007355E000-memory.dmp