Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06/06/2024, 15:17

General

  • Target
    DHL_046s01900330081250b4057885831102020.exe
  • Size 680KB
  • Sample240606-sn2wkagg78
  • SHA256 f0f1815ffec14ed9df683a6518c090d38b5812aa49f3591c5ddd50acd1963c0f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL_046s01900330081250b4057885831102020.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL_046s01900330081250b4057885831102020.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1908
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\DHL_046s01900330081250b4057885831102020.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2992
    • C:\Users\Admin\AppData\Local\Temp\DHL_046s01900330081250b4057885831102020.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL_046s01900330081250b4057885831102020.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2680

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1908-0-0x000000007423E000-0x000000007423F000-memory.dmp

        memory/1908-1-0x0000000000C30000-0x0000000000CE0000-memory.dmp

        memory/1908-2-0x0000000074230000-0x000000007491E000-memory.dmp

        memory/1908-3-0x00000000006F0000-0x0000000000706000-memory.dmp

        memory/1908-4-0x00000000004A0000-0x00000000004AE000-memory.dmp

        memory/1908-5-0x0000000000710000-0x0000000000720000-memory.dmp

        memory/1908-6-0x0000000005170000-0x00000000051F2000-memory.dmp

        memory/1908-20-0x0000000074230000-0x000000007491E000-memory.dmp

        memory/2680-17-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/2680-15-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/2680-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/2680-19-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/2680-11-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/2680-10-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/2680-9-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/2680-7-0x0000000000400000-0x0000000000442000-memory.dmp