Analysis

  • max time kernel
    117s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    01/06/2024, 01:57

General

  • Target
    5ea5ec85c70e7e5486f8f01955c24d0246fd6002a3241bb3f7facf096e0c0d7f.exe
  • Size 654KB
  • Sample240601-cdgvmsef55
  • SHA256 5ea5ec85c70e7e5486f8f01955c24d0246fd6002a3241bb3f7facf096e0c0d7f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • 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 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5ea5ec85c70e7e5486f8f01955c24d0246fd6002a3241bb3f7facf096e0c0d7f.exe
    "C:\Users\Admin\AppData\Local\Temp\5ea5ec85c70e7e5486f8f01955c24d0246fd6002a3241bb3f7facf096e0c0d7f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1960
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2420
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1960 -s 668
      2⤵
        PID:2252

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1960-33-0x000007FEF5DD3000-0x000007FEF5DD4000-memory.dmp

          memory/1960-1-0x0000000000B00000-0x0000000000B16000-memory.dmp

          memory/1960-2-0x000007FEF5DD0000-0x000007FEF67BC000-memory.dmp

          memory/1960-3-0x0000000000350000-0x0000000000356000-memory.dmp

          memory/1960-4-0x0000000002200000-0x0000000002294000-memory.dmp

          memory/1960-34-0x000007FEF5DD0000-0x000007FEF67BC000-memory.dmp

          memory/1960-0-0x000007FEF5DD3000-0x000007FEF5DD4000-memory.dmp

          memory/2420-7-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/2420-11-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/2420-14-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/2420-18-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/2420-16-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/2420-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          memory/2420-9-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/2420-5-0x0000000000400000-0x0000000000440000-memory.dmp