Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
15/01/2025, 12:28
General
- Target 5f5debb7f8f2d6f8c90608bc1a6981fe7df82cf9a4ed713436f572d45addf284.exe
- Size 687KB
- Sample250115-pnsq4strfp
- SHA256 5f5debb7f8f2d6f8c90608bc1a6981fe7df82cf9a4ed713436f572d45addf284
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.brusln.com
-
Port
587
-
Username
-
Password
Countrycode@2024
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- 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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 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
- 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
Processes
-
C:\Users\Admin\AppData\Local\Temp\5f5debb7f8f2d6f8c90608bc1a6981fe7df82cf9a4ed713436f572d45addf284.exe"C:\Users\Admin\AppData\Local\Temp\5f5debb7f8f2d6f8c90608bc1a6981fe7df82cf9a4ed713436f572d45addf284.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\5f5debb7f8f2d6f8c90608bc1a6981fe7df82cf9a4ed713436f572d45addf284.exe"C:\Users\Admin\AppData\Local\Temp\5f5debb7f8f2d6f8c90608bc1a6981fe7df82cf9a4ed713436f572d45addf284.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
5f5debb7f8f2d6f8c90608bc1a6981fe7df82cf9a4ed713436f572d45addf284.exe.log
memory/2544-13-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2544-22-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/2544-21-0x00000000067E0000-0x0000000006830000-memory.dmp
memory/2544-19-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/2544-18-0x0000000004FF0000-0x0000000005056000-memory.dmp
memory/2544-16-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/4616-5-0x0000000005560000-0x000000000556A000-memory.dmp
memory/4616-6-0x0000000005740000-0x00000000057DC000-memory.dmp
memory/4616-9-0x00000000749CE000-0x00000000749CF000-memory.dmp
memory/4616-10-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/4616-11-0x0000000004EF0000-0x0000000004EFC000-memory.dmp
memory/4616-12-0x0000000006FC0000-0x0000000007046000-memory.dmp
memory/4616-7-0x0000000005850000-0x000000000586C000-memory.dmp
memory/4616-8-0x0000000009120000-0x0000000009128000-memory.dmp
memory/4616-0-0x00000000749CE000-0x00000000749CF000-memory.dmp
memory/4616-17-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/4616-4-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/4616-3-0x00000000054B0000-0x0000000005542000-memory.dmp
memory/4616-2-0x0000000005980000-0x0000000005F24000-memory.dmp
memory/4616-1-0x0000000000A00000-0x0000000000AB2000-memory.dmp