Analysis
- max time kernel
121s - max time network
126s - platform
windows11-21h2_x64 - resource
win11-20250610-en - resource tags
- submitted
01/09/2025, 12:45
General
- Target SCTR SETIEMBRE TERMO SISTEMAS.exe
- Size 692KB
- Sample250901-py158svrt2
- SHA256 6307f6dcb83c11e69ad410e3d95d49834657fe2124f19c3c4e840d618bb53067
Malware Config
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
webmail.ykyymm.com.tr
-
Port
587
-
Username
-
Password
Y19a+-a1
-
Email to
Signatures
- VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Vipkeylogger family
- 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
- 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.
- 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 use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SCTR SETIEMBRE TERMO SISTEMAS.exe"C:\Users\Admin\AppData\Local\Temp\SCTR SETIEMBRE TERMO SISTEMAS.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\SCTR SETIEMBRE TERMO SISTEMAS.exe"C:\Users\Admin\AppData\Local\Temp\SCTR SETIEMBRE TERMO SISTEMAS.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
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
SCTR SETIEMBRE TERMO SISTEMAS.exe.log
memory/984-9-0x0000000000400000-0x000000000044A000-memory.dmp
memory/984-16-0x0000000005200000-0x0000000005210000-memory.dmp
memory/984-15-0x0000000006D60000-0x000000000728C000-memory.dmp
memory/984-14-0x0000000006400000-0x0000000006450000-memory.dmp
memory/984-13-0x0000000006560000-0x0000000006722000-memory.dmp
memory/984-12-0x0000000005200000-0x0000000005210000-memory.dmp
memory/5812-4-0x0000000005270000-0x000000000527A000-memory.dmp
memory/5812-8-0x0000000006B80000-0x0000000006C0E000-memory.dmp
memory/5812-7-0x0000000005390000-0x00000000053A0000-memory.dmp
memory/5812-6-0x0000000005370000-0x0000000005384000-memory.dmp
memory/5812-5-0x00000000053A0000-0x000000000543C000-memory.dmp
memory/5812-0-0x00000000006B0000-0x0000000000764000-memory.dmp
memory/5812-3-0x0000000005390000-0x00000000053A0000-memory.dmp
memory/5812-2-0x00000000051A0000-0x0000000005232000-memory.dmp
memory/5812-1-0x0000000005750000-0x0000000005CF6000-memory.dmp