Analysis
- max time kernel
143s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
28/02/2023, 16:03
General
- Target TT COPY.exe
- Size 327KB
- Sample230228-thc6pabf9t
- SHA256 aaf0aae0610d84f673e476995899a9fd5169ade32485bbfa248b6571132b100b
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Executes dropped EXE 2 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- 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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\TT COPY.exe"C:\Users\Admin\AppData\Local\Temp\TT COPY.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\vltngi.exe"C:\Users\Admin\AppData\Local\Temp\vltngi.exe" C:\Users\Admin\AppData\Local\Temp\rdweoabab.c2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\vltngi.exe"C:\Users\Admin\AppData\Local\Temp\vltngi.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
mtwwozr.pe
rdweoabab.c
vltngi.exe
vltngi.exe
vltngi.exe
memory/2136-150-0x0000000004A40000-0x0000000004A50000-memory.dmp
memory/2136-154-0x0000000004A40000-0x0000000004A50000-memory.dmp
memory/2136-146-0x0000000000400000-0x0000000000441000-memory.dmp
memory/2136-148-0x0000000000400000-0x0000000000441000-memory.dmp
memory/2136-149-0x0000000004A50000-0x0000000004FF4000-memory.dmp
memory/2136-143-0x0000000000400000-0x0000000000441000-memory.dmp
memory/2136-151-0x0000000004A40000-0x0000000004A50000-memory.dmp
memory/2136-152-0x0000000004A40000-0x0000000004A50000-memory.dmp
memory/2136-153-0x0000000005000000-0x0000000005066000-memory.dmp
memory/2136-145-0x0000000000400000-0x0000000000441000-memory.dmp
memory/2136-155-0x0000000006040000-0x00000000060D2000-memory.dmp
memory/2136-156-0x00000000062B0000-0x00000000062BA000-memory.dmp
memory/2136-157-0x0000000006300000-0x0000000006350000-memory.dmp
memory/2136-158-0x0000000006440000-0x0000000006602000-memory.dmp
memory/2136-160-0x0000000004A40000-0x0000000004A50000-memory.dmp
memory/2136-161-0x0000000004A40000-0x0000000004A50000-memory.dmp
memory/2136-162-0x0000000004A40000-0x0000000004A50000-memory.dmp
memory/2136-163-0x0000000004A40000-0x0000000004A50000-memory.dmp