Analysis
- max time kernel
120s - max time network
123s - platform
windows11-21h2_x64 - resource
win11-20250610-en - resource tags
- submitted
20/06/2025, 07:58
General
- Target Payment Advice - Advice Ref[A22D4YdWsbE4] Priority payment Customer Ref[2310069].exe
- Size 759KB
- Sample250620-jt2nbawzhy
- SHA256 c461f2d138724872445da7840680b54618044a079b69e42eae4c95e79ba77cc2
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
- 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\Payment Advice - Advice Ref[A22D4YdWsbE4] Priority payment Customer Ref[2310069].exe"C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref[A22D4YdWsbE4] Priority payment Customer Ref[2310069].exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref[A22D4YdWsbE4] Priority payment Customer Ref[2310069].exe"C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref[A22D4YdWsbE4] Priority payment Customer Ref[2310069].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
Payment Advice - Advice Ref[A22D4YdWsbE4] Priority payment Customer Ref[2310069].exe.log
memory/3000-11-0x0000000000400000-0x0000000000448000-memory.dmp
memory/3000-21-0x0000000074920000-0x00000000750D1000-memory.dmp
memory/3000-20-0x00000000076D0000-0x0000000007BFC000-memory.dmp
memory/3000-19-0x0000000074920000-0x00000000750D1000-memory.dmp
memory/3000-18-0x0000000006D70000-0x0000000006DC0000-memory.dmp
memory/3000-17-0x0000000006ED0000-0x0000000007092000-memory.dmp
memory/3000-16-0x0000000074920000-0x00000000750D1000-memory.dmp
memory/3000-14-0x0000000074920000-0x00000000750D1000-memory.dmp
memory/4748-5-0x0000000074920000-0x00000000750D1000-memory.dmp
memory/4748-10-0x0000000008670000-0x000000000870C000-memory.dmp
memory/4748-9-0x0000000008770000-0x00000000087FE000-memory.dmp
memory/4748-8-0x0000000074920000-0x00000000750D1000-memory.dmp
memory/4748-7-0x000000007492E000-0x000000007492F000-memory.dmp
memory/4748-15-0x0000000074920000-0x00000000750D1000-memory.dmp
memory/4748-6-0x00000000060E0000-0x00000000060FA000-memory.dmp
memory/4748-0-0x000000007492E000-0x000000007492F000-memory.dmp
memory/4748-4-0x0000000005AA0000-0x0000000005AAA000-memory.dmp
memory/4748-3-0x0000000005AC0000-0x0000000005B52000-memory.dmp
memory/4748-2-0x0000000006190000-0x0000000006736000-memory.dmp
memory/4748-1-0x0000000000F30000-0x0000000000FF4000-memory.dmp