Analysis
- max time kernel
149s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20251015-en - resource tags
- submitted
08/12/2025, 16:04
General
- Target 13410b80418e08044df11f8ad92e0a2380acbfe2c2b5d649fbd9c4266e3eec32.exe
- Size 490KB
- Sample251208-th5wpszmfp
- SHA256 13410b80418e08044df11f8ad92e0a2380acbfe2c2b5d649fbd9c4266e3eec32
Malware Config
Extracted
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Protocol
smtp
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Host
smtp.ionos.es
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Port
587
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Username
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Password
KFyi559Bi$6s
Extracted
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vipkeylogger
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Protocol
smtp
-
Host
smtp.ionos.es
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Port
587
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Username
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Password
KFyi559Bi$6s
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Email to
Signatures
- VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Vipkeylogger family
- Loads dropped DLL 1 IoCs
- 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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Drops file in System32 directory 1 IoCs
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Drops file in Program Files directory 2 IoCs
- Drops file in Windows directory 1 IoCs
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- 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 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\13410b80418e08044df11f8ad92e0a2380acbfe2c2b5d649fbd9c4266e3eec32.exe"C:\Users\Admin\AppData\Local\Temp\13410b80418e08044df11f8ad92e0a2380acbfe2c2b5d649fbd9c4266e3eec32.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\13410b80418e08044df11f8ad92e0a2380acbfe2c2b5d649fbd9c4266e3eec32.exe"C:\Users\Admin\AppData\Local\Temp\13410b80418e08044df11f8ad92e0a2380acbfe2c2b5d649fbd9c4266e3eec32.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\13410b80418e08044df11f8ad92e0a2380acbfe2c2b5d649fbd9c4266e3eec32.exe"C:\Users\Admin\AppData\Local\Temp\13410b80418e08044df11f8ad92e0a2380acbfe2c2b5d649fbd9c4266e3eec32.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
-
C:\Users\Admin\AppData\Local\Temp\13410b80418e08044df11f8ad92e0a2380acbfe2c2b5d649fbd9c4266e3eec32.exe"C:\Users\Admin\AppData\Local\Temp\13410b80418e08044df11f8ad92e0a2380acbfe2c2b5d649fbd9c4266e3eec32.exe"3⤵
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Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
System.dll
memory/1460-22-0x0000000073FB4000-0x0000000073FB5000-memory.dmp
memory/5932-23-0x0000000077278000-0x0000000077279000-memory.dmp
memory/5932-24-0x000000007730B000-0x000000007730C000-memory.dmp
memory/5932-25-0x000000007728B000-0x000000007728C000-memory.dmp
memory/5932-38-0x00000000771E1000-0x0000000077303000-memory.dmp
memory/5932-37-0x0000000000490000-0x00000000017A7000-memory.dmp
memory/5932-39-0x0000000000490000-0x00000000004DA000-memory.dmp
memory/5932-40-0x0000000038020000-0x00000000385C6000-memory.dmp
memory/5932-41-0x0000000035BE0000-0x0000000035C7C000-memory.dmp
memory/5932-42-0x0000000037EB0000-0x0000000037EC0000-memory.dmp
memory/5932-44-0x000000007730B000-0x000000007730C000-memory.dmp
memory/5932-45-0x0000000037EB0000-0x0000000037EC0000-memory.dmp
memory/5932-48-0x00000000389F0000-0x0000000038BB2000-memory.dmp
memory/5932-49-0x0000000035620000-0x0000000035670000-memory.dmp
memory/5932-50-0x0000000038CC0000-0x00000000391EC000-memory.dmp
memory/5932-52-0x0000000039240000-0x00000000392D2000-memory.dmp
memory/5932-53-0x0000000039330000-0x000000003933A000-memory.dmp