Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 02:03

General

  • Target

    b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe

  • Size

    2.3MB

  • MD5

    39b87e27d213375bb5c94cf386a6aaf5

  • SHA1

    8ff9e7355ad1691a675dc0e86686266fd509d4d6

  • SHA256

    b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106

  • SHA512

    20f168eadf44aa82efb6ded020310b0a8cd215cc86c2c86c4fb53620921ecb70dd14756b542d0fba06862ddc3cca76d471b7c7590a87c232c356bed9d7438657

  • SSDEEP

    3072:LnJX2tdtyOHWZV59Sr8wv+mI8UYQw4eY1ZVyd/BRfFglJhlwYxveNwa9KqwX9Tp2:LnJ0

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.normagroup.com.tr
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Qb.X[.j.Yfm[

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables packed with or use KoiVM 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe
    "C:\Users\Admin\AppData\Local\Temp\b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1416
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
        PID:2472
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3640
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
        2⤵
          PID:3792

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1416-9-0x00007FFA4C3A0000-0x00007FFA4CE61000-memory.dmp

        Filesize

        10.8MB

      • memory/1416-1-0x0000025A2BFE0000-0x0000025A2C226000-memory.dmp

        Filesize

        2.3MB

      • memory/1416-2-0x00007FFA4C3A0000-0x00007FFA4CE61000-memory.dmp

        Filesize

        10.8MB

      • memory/1416-3-0x0000025A46C60000-0x0000025A46CF2000-memory.dmp

        Filesize

        584KB

      • memory/1416-0-0x00007FFA4C3A3000-0x00007FFA4C3A5000-memory.dmp

        Filesize

        8KB

      • memory/3640-8-0x0000000075450000-0x0000000075C00000-memory.dmp

        Filesize

        7.7MB

      • memory/3640-5-0x000000007545E000-0x000000007545F000-memory.dmp

        Filesize

        4KB

      • memory/3640-7-0x0000000005120000-0x0000000005186000-memory.dmp

        Filesize

        408KB

      • memory/3640-6-0x00000000055D0000-0x0000000005B74000-memory.dmp

        Filesize

        5.6MB

      • memory/3640-4-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/3640-10-0x0000000006050000-0x00000000060A0000-memory.dmp

        Filesize

        320KB

      • memory/3640-11-0x0000000006140000-0x00000000061D2000-memory.dmp

        Filesize

        584KB

      • memory/3640-12-0x00000000062E0000-0x00000000062EA000-memory.dmp

        Filesize

        40KB

      • memory/3640-13-0x000000007545E000-0x000000007545F000-memory.dmp

        Filesize

        4KB

      • memory/3640-14-0x0000000075450000-0x0000000075C00000-memory.dmp

        Filesize

        7.7MB