Analysis
- max time kernel
90s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
09/06/2022, 08:30
General
- Target c2bd07e27b90e1a278b5b9395695a280.exe
- Size 694KB
- Sample220609-kd5kpshbe8
- SHA256 146d606712c3be019a12bb7024be28453bb13f6bcfb2b9f29d9ed495b1e08eb2
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot5402132605:AAGV8fwvNu8SuOrEEIDGn3S28kAWymSUXPI/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 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\c2bd07e27b90e1a278b5b9395695a280.exe"C:\Users\Admin\AppData\Local\Temp\c2bd07e27b90e1a278b5b9395695a280.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\c2bd07e27b90e1a278b5b9395695a280.exe"C:\Users\Admin\AppData\Local\Temp\c2bd07e27b90e1a278b5b9395695a280.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
c2bd07e27b90e1a278b5b9395695a280.exe.log
memory/4540-133-0x0000000000780000-0x0000000000834000-memory.dmp
memory/4540-134-0x00000000058D0000-0x0000000005E74000-memory.dmp
memory/4540-135-0x0000000005220000-0x00000000052B2000-memory.dmp
memory/4540-136-0x0000000005200000-0x000000000520A000-memory.dmp
memory/4540-137-0x0000000007790000-0x000000000782C000-memory.dmp
memory/4540-138-0x0000000007E10000-0x0000000007E76000-memory.dmp
memory/5020-140-0x0000000000400000-0x000000000043A000-memory.dmp
memory/5020-142-0x00000000069D0000-0x0000000006A20000-memory.dmp