Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
31/08/2026, 10:25
General
- Target 9c43b920900fe218212dec879c49c6b31b17ad0cda091818acff94a062b75fb8.exe
- Size 576KB
- Sample260831-mgcefasvcx
- SHA256 9c43b920900fe218212dec879c49c6b31b17ad0cda091818acff94a062b75fb8
Malware Config
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
mail.probart.hu
-
Port
25
-
Username
-
Password
Probart12
-
Email to
Signatures
- Family: VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Loads dropped DLL 1 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Windows directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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: EnumeratesProcesses 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\9c43b920900fe218212dec879c49c6b31b17ad0cda091818acff94a062b75fb8.exe"C:\Users\Admin\AppData\Local\Temp\9c43b920900fe218212dec879c49c6b31b17ad0cda091818acff94a062b75fb8.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\9c43b920900fe218212dec879c49c6b31b17ad0cda091818acff94a062b75fb8.exe"C:\Users\Admin\AppData\Local\Temp\9c43b920900fe218212dec879c49c6b31b17ad0cda091818acff94a062b75fb8.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
System.dll
memory/812-12-0x00000000743B5000-0x00000000743B6000-memory.dmp
memory/2244-13-0x00000000777E8000-0x00000000777E9000-memory.dmp
memory/2244-14-0x0000000077889000-0x000000007788A000-memory.dmp
memory/2244-21-0x00000000004C0000-0x0000000001714000-memory.dmp
memory/2244-22-0x00000000004C0000-0x0000000001714000-memory.dmp
memory/2244-23-0x00000000004C0000-0x000000000050A000-memory.dmp
memory/2244-24-0x0000000038560000-0x0000000038B04000-memory.dmp
memory/2244-25-0x00000000384B0000-0x000000003854C000-memory.dmp
memory/2244-26-0x0000000038C20000-0x0000000038C30000-memory.dmp
memory/2244-27-0x0000000077889000-0x000000007788A000-memory.dmp
memory/2244-29-0x0000000038C20000-0x0000000038C30000-memory.dmp