Analysis
- max time kernel
150s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
10/08/2026, 20:11
General
- Target 8f1da96e55e6f50d07fb3dc64c12047697ae9128e63d4dbae80c14646d96e192.exe
- Size 905KB
- Sample260810-yyhhkasvbx
- SHA256 8f1da96e55e6f50d07fb3dc64c12047697ae9128e63d4dbae80c14646d96e192
Malware Config
Extracted
-
vipkeylogger
-
https://api.telegram.org/bot8548916333:AAEtWytOtcm9WOnS8HVz3eDVi3rftfpMyNU/sendMessage?chat_id=7618581100
Signatures
- Family: VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Loads dropped DLL 10 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
- Drops file in Windows directory 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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: 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\8f1da96e55e6f50d07fb3dc64c12047697ae9128e63d4dbae80c14646d96e192.exe"C:\Users\Admin\AppData\Local\Temp\8f1da96e55e6f50d07fb3dc64c12047697ae9128e63d4dbae80c14646d96e192.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Program Files (x86)\Windows Media Player\wmlaunch.exe"C:\Users\Admin\AppData\Local\Temp\8f1da96e55e6f50d07fb3dc64c12047697ae9128e63d4dbae80c14646d96e192.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 928 -s 25883⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 928 -ip 9281⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
LangDLL.dll
System.dll
memory/928-82-0x0000000072432000-0x0000000072433000-memory.dmp
memory/928-70-0x000000007796F000-0x0000000077970000-memory.dmp
memory/928-71-0x00000000779F5000-0x00000000779F6000-memory.dmp
memory/928-81-0x0000000000FE0000-0x00000000022C6000-memory.dmp
memory/928-83-0x0000000000FE0000-0x000000000102A000-memory.dmp
memory/928-84-0x00000000383D0000-0x000000003898A000-memory.dmp
memory/928-85-0x0000000035C10000-0x0000000035CAC000-memory.dmp
memory/928-86-0x0000000072420000-0x0000000072BDC000-memory.dmp
memory/928-88-0x00000000779F5000-0x00000000779F6000-memory.dmp
memory/928-89-0x0000000072432000-0x0000000072433000-memory.dmp
memory/928-90-0x0000000072420000-0x0000000072BDC000-memory.dmp
memory/928-102-0x0000000072420000-0x0000000072BDC000-memory.dmp
memory/3444-69-0x0000000010004000-0x0000000010005000-memory.dmp