Analysis
- max time kernel
143s - max time network
159s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
11/11/2024, 14:26
General
- Target CERTIFICADO TITULARIDAD.exe
- Size 573KB
- Sample241111-rrt5fsyrgv
- SHA256 535d29bedc8c720ed7daaeb5e8d79c650b21664d72bad77106eb518975be223b
Malware Config
Extracted
-
vipkeylogger
-
https://api.telegram.org/bot8148338634:AAFvLNrhxaF7bMPzQMLbUnueRMJvDIi5kcU/sendMessage?chat_id=7698865320
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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 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 5 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\CERTIFICADO TITULARIDAD.exe"C:\Users\Admin\AppData\Local\Temp\CERTIFICADO TITULARIDAD.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\CERTIFICADO TITULARIDAD.exe"C:\Users\Admin\AppData\Local\Temp\CERTIFICADO TITULARIDAD.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
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
System.dll
memory/3552-11-0x0000000077A11000-0x0000000077B31000-memory.dmp
memory/3552-13-0x0000000074875000-0x0000000074876000-memory.dmp
memory/3552-12-0x0000000077A11000-0x0000000077B31000-memory.dmp
memory/4836-14-0x0000000077A11000-0x0000000077B31000-memory.dmp
memory/4836-15-0x0000000077A98000-0x0000000077A99000-memory.dmp
memory/4836-16-0x0000000077AB5000-0x0000000077AB6000-memory.dmp
memory/4836-29-0x0000000000460000-0x00000000016B4000-memory.dmp
memory/4836-30-0x0000000077A11000-0x0000000077B31000-memory.dmp
memory/4836-31-0x000000007290E000-0x000000007290F000-memory.dmp
memory/4836-32-0x0000000000460000-0x00000000004A8000-memory.dmp
memory/4836-33-0x00000000397F0000-0x0000000039D94000-memory.dmp
memory/4836-34-0x0000000039600000-0x000000003969C000-memory.dmp
memory/4836-35-0x0000000072900000-0x00000000730B0000-memory.dmp
memory/4836-37-0x000000003A1E0000-0x000000003A3A2000-memory.dmp
memory/4836-38-0x0000000039790000-0x00000000397E0000-memory.dmp
memory/4836-39-0x000000007290E000-0x000000007290F000-memory.dmp
memory/4836-40-0x0000000072900000-0x00000000730B0000-memory.dmp
memory/4836-42-0x000000003A440000-0x000000003A4D2000-memory.dmp
memory/4836-43-0x000000003A510000-0x000000003A51A000-memory.dmp