Analysis
- max time kernel
103s - max time network
114s - platform
windows10_x64 - resource
win10 - submitted
08/10/2020, 12:29
General
- Target cotizacion.exe
- Size 658KB
- Sample201008-4gsersbpde
- SHA256 2ea762f225aa95bb3f31d08871b3e84358f48b1cbc4b67bf47b3d1c939a335b9
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.maccinox.com
-
Port
587
-
Username
-
Password
peru2016
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.
- 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\cotizacion.exe"C:\Users\Admin\AppData\Local\Temp\cotizacion.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\cotizacion.exe"C:\Users\Admin\AppData\Local\Temp\cotizacion.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1116-6-0x00000000023B2000-0x00000000023B3000-memory.dmp
memory/1116-14-0x0000000005F40000-0x0000000005F41000-memory.dmp
memory/1116-3-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1116-4-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1116-5-0x0000000000520000-0x0000000000542000-memory.dmp
memory/1116-10-0x00000000048C0000-0x00000000048C1000-memory.dmp
memory/1116-15-0x0000000006030000-0x0000000006031000-memory.dmp
memory/1116-1-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1116-11-0x00000000023C0000-0x00000000023C1000-memory.dmp
memory/1116-12-0x0000000005670000-0x0000000005671000-memory.dmp
memory/1116-13-0x0000000005A70000-0x0000000005A71000-memory.dmp
memory/1116-7-0x0000000073180000-0x000000007386E000-memory.dmp
memory/2168-0-0x0000000000400000-0x00000000004AB000-memory.dmp