Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2024 09:15

General

  • Target

    QUOTATION#08670.exe

  • Size

    590KB

  • MD5

    93bdfd46628601b04ea067e5f52187d7

  • SHA1

    4d2e420aa6a8289763b9c0a79fccb7e18ee02294

  • SHA256

    f2d566b1b667cf8ea8c35f2827f62e7430941e1fdd13019811768e3a942ec926

  • SHA512

    1397ea8a0b29caa8497bc4efb4c20652980c2c76f617a2c235b925bb1ddd7c830f2b661feca5674b002479d230b78240455afa6a31c4854dba3229b903bb8f8c

  • SSDEEP

    12288:0ZgE2xCedYZjsPmHfw+KsbAMgqURZyaRbN7RjVI06fbXB12dzJJVNcxWq:0ZgEa7dYlsPm/msR1QfJI591ezJHNcH

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    nXe0M~WkW&nJ

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    nXe0M~WkW&nJ

Signatures

  • AgentTesla

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

  • Agenttesla family
  • UAC bypass 3 TTPs 1 IoCs
  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 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).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\QUOTATION#08670.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTATION#08670.exe"
    1⤵
    • UAC bypass
    • Checks whether UAC is enabled
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2180
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\QUOTATION#08670.exe" -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1876
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
      2⤵
        PID:2772
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
        2⤵
          PID:2172
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
          2⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2824
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
          2⤵
            PID:2804

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1876-16-0x0000000002C80000-0x0000000002D00000-memory.dmp

          Filesize

          512KB

        • memory/1876-18-0x0000000001D90000-0x0000000001D98000-memory.dmp

          Filesize

          32KB

        • memory/1876-17-0x000000001B700000-0x000000001B9E2000-memory.dmp

          Filesize

          2.9MB

        • memory/2180-1-0x0000000000180000-0x0000000000186000-memory.dmp

          Filesize

          24KB

        • memory/2180-2-0x000000001AF10000-0x000000001AFA6000-memory.dmp

          Filesize

          600KB

        • memory/2180-3-0x000007FEF5E10000-0x000007FEF67FC000-memory.dmp

          Filesize

          9.9MB

        • memory/2180-0-0x000007FEF5E13000-0x000007FEF5E14000-memory.dmp

          Filesize

          4KB

        • memory/2180-29-0x000007FEF5E10000-0x000007FEF67FC000-memory.dmp

          Filesize

          9.9MB

        • memory/2772-10-0x0000000000400000-0x0000000000444000-memory.dmp

          Filesize

          272KB

        • memory/2772-4-0x0000000000400000-0x0000000000444000-memory.dmp

          Filesize

          272KB

        • memory/2772-6-0x0000000000400000-0x0000000000444000-memory.dmp

          Filesize

          272KB

        • memory/2772-8-0x0000000000400000-0x0000000000444000-memory.dmp

          Filesize

          272KB

        • memory/2824-28-0x0000000000400000-0x0000000000444000-memory.dmp

          Filesize

          272KB

        • memory/2824-31-0x0000000000400000-0x0000000000444000-memory.dmp

          Filesize

          272KB

        • memory/2824-30-0x0000000000400000-0x0000000000444000-memory.dmp

          Filesize

          272KB

        • memory/2824-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB