Analysis
- max time kernel
94s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20250217-en - resource tags
- submitted
26/02/2025, 04:26
General
- Target f.exe
- Size 217KB
- Sample250226-e2mf5symw2
- SHA256 6b0936605c05ecd3e9658d3acfb9195893924778f3a41b2f74187de30a9af352
Malware Config
Signatures
- VKeylogger
A keylogger first seen in Nov 2020.
- VKeylogger payload 9 IoCs
- Vkeylogger family
- Adds Run key to start application 2 TTPs 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\f.exe"C:\Users\Admin\AppData\Local\Temp\f.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 4482⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4504 -ip 45041⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/2412-4-0x0000000001000000-0x000000000100F000-memory.dmp
memory/2412-5-0x0000000001000000-0x000000000100F000-memory.dmp
memory/2412-9-0x0000000001000000-0x000000000100F000-memory.dmp
memory/2412-10-0x0000000001000000-0x000000000100F000-memory.dmp
memory/4504-3-0x0000000000400000-0x000000000040F000-memory.dmp
memory/4504-2-0x0000000001F00000-0x0000000001F0E000-memory.dmp
memory/4504-1-0x0000000001DF0000-0x0000000001EF0000-memory.dmp
memory/4504-8-0x0000000000400000-0x000000000040F000-memory.dmp
memory/4504-6-0x0000000000400000-0x0000000001D84000-memory.dmp
memory/4504-7-0x0000000001F00000-0x0000000001F0E000-memory.dmp