Analysis

  • max time kernel
    137s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 01:56

General

  • Target

    a3d0339ed9baefeedb6cb984e3e6fcafeb59dab6484c0b75e44a6c24b1cd31f6.exe

  • Size

    933KB

  • MD5

    15d4b3a4b2907c2602eb46b084afe911

  • SHA1

    90a8ae980f1dd539e8716e7b5c26e7f229620a3b

  • SHA256

    a3d0339ed9baefeedb6cb984e3e6fcafeb59dab6484c0b75e44a6c24b1cd31f6

  • SHA512

    4df17340873fd0bf929cbb79b3d7db2e85fb02c211b10866b69b2be51bfce1576c2eaef2b4321fad89274e1208d0dcad70c132e5c12493bf1d58b603c8ddab59

  • SSDEEP

    12288:P9S0DlaggXSvN7EM8N+CzaXuGTNVSG6SRiI2qecz+ELeK67nIPZqwLf6d1:1SRDWN7EMLkWNVSG0LwPtsIxqwrM1

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
  • Detects executables packed with or use KoiVM 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 5 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a3d0339ed9baefeedb6cb984e3e6fcafeb59dab6484c0b75e44a6c24b1cd31f6.exe
    "C:\Users\Admin\AppData\Local\Temp\a3d0339ed9baefeedb6cb984e3e6fcafeb59dab6484c0b75e44a6c24b1cd31f6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1856
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
      2⤵
        PID:2888
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
        2⤵
          PID:3000
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2960
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
          2⤵
            PID:2592

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1856-22-0x000007FEF5BA0000-0x000007FEF658C000-memory.dmp

          Filesize

          9.9MB

        • memory/1856-1-0x00000000008A0000-0x00000000008AC000-memory.dmp

          Filesize

          48KB

        • memory/1856-2-0x000007FEF5BA0000-0x000007FEF658C000-memory.dmp

          Filesize

          9.9MB

        • memory/1856-3-0x000000001B0E0000-0x000000001B172000-memory.dmp

          Filesize

          584KB

        • memory/1856-0-0x000007FEF5BA3000-0x000007FEF5BA4000-memory.dmp

          Filesize

          4KB

        • memory/2888-4-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2888-8-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2888-6-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2888-9-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2960-21-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2960-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2960-19-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2960-18-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2960-23-0x000000007488E000-0x000000007488F000-memory.dmp

          Filesize

          4KB

        • memory/2960-24-0x0000000074880000-0x0000000074F6E000-memory.dmp

          Filesize

          6.9MB

        • memory/2960-25-0x000000007488E000-0x000000007488F000-memory.dmp

          Filesize

          4KB

        • memory/2960-26-0x0000000074880000-0x0000000074F6E000-memory.dmp

          Filesize

          6.9MB