Analysis
- max time kernel
150s - max time network
279s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
22/10/2024, 16:13
General
- Target RF_DHL KULI500796821.PDF.exe
- Size 747KB
- Sample241022-tpem4awbkr
- SHA256 a4f9afdb0335a81fbca040cbebd5a514e1e11d668022048823e465b4c752793d
Malware Config
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
mail.vinatax.us
-
Port
587
-
Username
-
Password
vinatax@2022
-
Email to
Signatures
- VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- 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 1 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\RF_DHL KULI500796821.PDF.exe"C:\Users\Admin\AppData\Local\Temp\RF_DHL KULI500796821.PDF.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\RF_DHL KULI500796821.PDF.exe"C:\Users\Admin\AppData\Local\Temp\RF_DHL KULI500796821.PDF.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 v15
Replay Monitor
Loading Replay Monitor...
Downloads
RF_DHL KULI500796821.PDF.exe.log
memory/3368-4-0x0000000005A80000-0x0000000005A8A000-memory.dmp
memory/3368-15-0x0000000074A70000-0x0000000075220000-memory.dmp
memory/3368-3-0x00000000058B0000-0x0000000005942000-memory.dmp
memory/3368-0-0x0000000074A7E000-0x0000000074A7F000-memory.dmp
memory/3368-5-0x0000000074A70000-0x0000000075220000-memory.dmp
memory/3368-6-0x0000000005BC0000-0x0000000005C5C000-memory.dmp
memory/3368-7-0x0000000005D80000-0x0000000005D9C000-memory.dmp
memory/3368-8-0x0000000074A7E000-0x0000000074A7F000-memory.dmp
memory/3368-2-0x0000000005F20000-0x00000000064C4000-memory.dmp
memory/3368-9-0x0000000074A70000-0x0000000075220000-memory.dmp
memory/3368-10-0x0000000009310000-0x000000000939C000-memory.dmp
memory/3368-1-0x0000000000E20000-0x0000000000EDE000-memory.dmp
memory/4912-14-0x0000000074A70000-0x0000000075220000-memory.dmp
memory/4912-11-0x0000000000400000-0x0000000000448000-memory.dmp
memory/4912-16-0x0000000074A70000-0x0000000075220000-memory.dmp
memory/4912-17-0x0000000074A70000-0x0000000075220000-memory.dmp
memory/4912-18-0x0000000006DF0000-0x0000000006FB2000-memory.dmp
memory/4912-19-0x0000000006C90000-0x0000000006CE0000-memory.dmp