Analysis
- max time kernel
108s - max time network
157s - platform
windows11-21h2_x64 - resource
win11-20250610-en - resource tags
- submitted
07/07/2025, 15:00
General
- Target f6af1b0db9e832d425fbc52ca57b650378c92400aaf3f138a1ec367de0ec0ef6.exe
- Size 1.1MB
- Sample250707-sdphgswwav
- SHA256 f6af1b0db9e832d425fbc52ca57b650378c92400aaf3f138a1ec367de0ec0ef6
Malware Config
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
Server.lurstan.host
-
Port
25
-
Username
-
Password
WHHT}?V;Zu]W
-
Email to
Signatures
- VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Vipkeylogger family
- Accesses Microsoft Outlook profiles 1 TTPs 3 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.
- Suspicious use of SetThreadContext 1 IoCs
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- 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 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
-
C:\Users\Admin\AppData\Local\Temp\f6af1b0db9e832d425fbc52ca57b650378c92400aaf3f138a1ec367de0ec0ef6.exe"C:\Users\Admin\AppData\Local\Temp\f6af1b0db9e832d425fbc52ca57b650378c92400aaf3f138a1ec367de0ec0ef6.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\f6af1b0db9e832d425fbc52ca57b650378c92400aaf3f138a1ec367de0ec0ef6.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 6482⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2856 -ip 28561⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/4636-5-0x0000000000400000-0x0000000000448000-memory.dmp
memory/4636-6-0x0000000005CF0000-0x0000000006296000-memory.dmp
memory/4636-7-0x0000000005830000-0x00000000058CC000-memory.dmp
memory/4636-8-0x0000000005A50000-0x0000000005A60000-memory.dmp
memory/4636-9-0x0000000005A50000-0x0000000005A60000-memory.dmp
memory/4636-10-0x0000000006BA0000-0x0000000006D62000-memory.dmp
memory/4636-11-0x0000000006A40000-0x0000000006A90000-memory.dmp
memory/4636-12-0x00000000073A0000-0x00000000078CC000-memory.dmp
memory/4636-13-0x0000000006E10000-0x0000000006EA2000-memory.dmp
memory/4636-14-0x0000000006D70000-0x0000000006D7A000-memory.dmp