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Analysis

  • max time kernel
    39s
  • max time network
    52s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/06/2024, 01:17

General

  • Target

    78dc19bdfaa7b4abf141eaad5c1bfb1284ee70d47aa166642c79c3c7b298fef2.exe

  • Size

    1.3MB

  • MD5

    1c4adbad556adec8643a50221d9628f0

  • SHA1

    8c657701f9183f0cf558afef9561298df6c6f617

  • SHA256

    78dc19bdfaa7b4abf141eaad5c1bfb1284ee70d47aa166642c79c3c7b298fef2

  • SHA512

    874603932879c8b64bf7721d7d8f8c1a9020c8d5ea5e1dc088a60f74dc9ce6d31c5f6ce845c57863a01ee5e20fd61b4e83bfc1db9cacf79e65f1a61f3d02a8f7

  • SSDEEP

    12288:9MFdj0KxADOJrMUcD0Ogo8pVlwGrza1W2uRljrL9L+oyInMk:9MFJnr3O0ro8pHBniW2ujdC5k

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 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 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\78dc19bdfaa7b4abf141eaad5c1bfb1284ee70d47aa166642c79c3c7b298fef2.exe
    "C:\Users\Admin\AppData\Local\Temp\78dc19bdfaa7b4abf141eaad5c1bfb1284ee70d47aa166642c79c3c7b298fef2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4048
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
      2⤵
        PID:864
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1740
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
        2⤵
          PID:4288

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1740-8-0x0000000075230000-0x00000000759E0000-memory.dmp

        Filesize

        7.7MB

      • memory/1740-11-0x0000000006CC0000-0x0000000006D10000-memory.dmp

        Filesize

        320KB

      • memory/1740-16-0x0000000006DA0000-0x0000000006DAA000-memory.dmp

        Filesize

        40KB

      • memory/1740-15-0x0000000006EF0000-0x0000000006F82000-memory.dmp

        Filesize

        584KB

      • memory/1740-4-0x0000000000400000-0x0000000000444000-memory.dmp

        Filesize

        272KB

      • memory/1740-5-0x000000007523E000-0x000000007523F000-memory.dmp

        Filesize

        4KB

      • memory/1740-14-0x0000000075230000-0x00000000759E0000-memory.dmp

        Filesize

        7.7MB

      • memory/1740-13-0x000000007523E000-0x000000007523F000-memory.dmp

        Filesize

        4KB

      • memory/1740-12-0x0000000006DB0000-0x0000000006E4C000-memory.dmp

        Filesize

        624KB

      • memory/1740-7-0x00000000055F0000-0x0000000005656000-memory.dmp

        Filesize

        408KB

      • memory/1740-6-0x0000000005B30000-0x00000000060D4000-memory.dmp

        Filesize

        5.6MB

      • memory/4048-1-0x000002324FAC0000-0x000002324FAD0000-memory.dmp

        Filesize

        64KB

      • memory/4048-9-0x00007FFE7B8E0000-0x00007FFE7C3A1000-memory.dmp

        Filesize

        10.8MB

      • memory/4048-0-0x00007FFE7B8E3000-0x00007FFE7B8E5000-memory.dmp

        Filesize

        8KB

      • memory/4048-3-0x000002326A080000-0x000002326A116000-memory.dmp

        Filesize

        600KB

      • memory/4048-2-0x00007FFE7B8E0000-0x00007FFE7C3A1000-memory.dmp

        Filesize

        10.8MB