Analysis

  • max time kernel
    135s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 02:21

General

  • Target

    d6d649c1f82d780b58abb3f05031d6881370299dffa565ee60326e420f1582f0.exe

  • Size

    655KB

  • MD5

    a792373900bbd7d8be6b38f98b9a8452

  • SHA1

    d284b32cd1ba7319001853697981fc64ead0d76a

  • SHA256

    d6d649c1f82d780b58abb3f05031d6881370299dffa565ee60326e420f1582f0

  • SHA512

    03cf1c8baf55d4a9d51f66eb0e8ec3860b1e7e423c0d8781c631605545821105b1628a4d6ff39bdc6464c266c3e80e24ffb38004f44fe211ac999ee26be9567f

  • SSDEEP

    12288:Eakyzi8LkpEaNGYBTc9xHjgJg4bc0876ctWyKa9ZSNzkik3+bwcKsPx4xQsdfXUE:fH2jEjsc910a4bhqxtWyKazXNAqmslEz

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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d6d649c1f82d780b58abb3f05031d6881370299dffa565ee60326e420f1582f0.exe
    "C:\Users\Admin\AppData\Local\Temp\d6d649c1f82d780b58abb3f05031d6881370299dffa565ee60326e420f1582f0.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5348
    • 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\d6d649c1f82d780b58abb3f05031d6881370299dffa565ee60326e420f1582f0.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4076
    • C:\Users\Admin\AppData\Local\Temp\d6d649c1f82d780b58abb3f05031d6881370299dffa565ee60326e420f1582f0.exe
      "C:\Users\Admin\AppData\Local\Temp\d6d649c1f82d780b58abb3f05031d6881370299dffa565ee60326e420f1582f0.exe"
      2⤵
        PID:1704
      • C:\Users\Admin\AppData\Local\Temp\d6d649c1f82d780b58abb3f05031d6881370299dffa565ee60326e420f1582f0.exe
        "C:\Users\Admin\AppData\Local\Temp\d6d649c1f82d780b58abb3f05031d6881370299dffa565ee60326e420f1582f0.exe"
        2⤵
          PID:3664
        • C:\Users\Admin\AppData\Local\Temp\d6d649c1f82d780b58abb3f05031d6881370299dffa565ee60326e420f1582f0.exe
          "C:\Users\Admin\AppData\Local\Temp\d6d649c1f82d780b58abb3f05031d6881370299dffa565ee60326e420f1582f0.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3440

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Execution

      Command and Scripting Interpreter

      1
      T1059

      PowerShell

      1
      T1059.001

      Credential Access

      Unsecured Credentials

      4
      T1552

      Credentials In Files

      3
      T1552.001

      Credentials in Registry

      1
      T1552.002

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      2
      T1082

      Collection

      Data from Local System

      4
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ruiroyjy.msz.ps1
        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/3440-10-0x0000000000400000-0x0000000000440000-memory.dmp
        Filesize

        256KB

      • memory/3440-12-0x00007FFA2D1B0000-0x00007FFA2D3A5000-memory.dmp
        Filesize

        2.0MB

      • memory/3440-59-0x00007FFA2D1B0000-0x00007FFA2D3A5000-memory.dmp
        Filesize

        2.0MB

      • memory/3440-55-0x0000000006550000-0x00000000065A0000-memory.dmp
        Filesize

        320KB

      • memory/3440-17-0x00007FFA2D1B0000-0x00007FFA2D3A5000-memory.dmp
        Filesize

        2.0MB

      • memory/3440-18-0x00000000057A0000-0x0000000005806000-memory.dmp
        Filesize

        408KB

      • memory/4076-52-0x0000000007630000-0x0000000007644000-memory.dmp
        Filesize

        80KB

      • memory/4076-50-0x00000000075F0000-0x0000000007601000-memory.dmp
        Filesize

        68KB

      • memory/4076-20-0x0000000005820000-0x0000000005886000-memory.dmp
        Filesize

        408KB

      • memory/4076-54-0x0000000007710000-0x0000000007718000-memory.dmp
        Filesize

        32KB

      • memory/4076-53-0x0000000007730000-0x000000000774A000-memory.dmp
        Filesize

        104KB

      • memory/4076-15-0x00007FFA2D1B0000-0x00007FFA2D3A5000-memory.dmp
        Filesize

        2.0MB

      • memory/4076-14-0x0000000004B10000-0x0000000004B46000-memory.dmp
        Filesize

        216KB

      • memory/4076-30-0x0000000005C50000-0x0000000005FA4000-memory.dmp
        Filesize

        3.3MB

      • memory/4076-51-0x0000000007620000-0x000000000762E000-memory.dmp
        Filesize

        56KB

      • memory/4076-49-0x0000000007670000-0x0000000007706000-memory.dmp
        Filesize

        600KB

      • memory/4076-48-0x0000000007460000-0x000000000746A000-memory.dmp
        Filesize

        40KB

      • memory/4076-19-0x0000000005110000-0x0000000005132000-memory.dmp
        Filesize

        136KB

      • memory/4076-58-0x00007FFA2D1B0000-0x00007FFA2D3A5000-memory.dmp
        Filesize

        2.0MB

      • memory/4076-47-0x00000000073F0000-0x000000000740A000-memory.dmp
        Filesize

        104KB

      • memory/4076-16-0x0000000005180000-0x00000000057A8000-memory.dmp
        Filesize

        6.2MB

      • memory/4076-31-0x00000000060D0000-0x00000000060EE000-memory.dmp
        Filesize

        120KB

      • memory/4076-32-0x0000000006110000-0x000000000615C000-memory.dmp
        Filesize

        304KB

      • memory/4076-33-0x00000000066A0000-0x00000000066D2000-memory.dmp
        Filesize

        200KB

      • memory/4076-34-0x0000000070C00000-0x0000000070C4C000-memory.dmp
        Filesize

        304KB

      • memory/4076-44-0x0000000007290000-0x00000000072AE000-memory.dmp
        Filesize

        120KB

      • memory/4076-45-0x00000000072C0000-0x0000000007363000-memory.dmp
        Filesize

        652KB

      • memory/4076-46-0x0000000007A30000-0x00000000080AA000-memory.dmp
        Filesize

        6.5MB

      • memory/5348-2-0x00000000051A0000-0x0000000005744000-memory.dmp
        Filesize

        5.6MB

      • memory/5348-5-0x0000000004D80000-0x0000000004D8A000-memory.dmp
        Filesize

        40KB

      • memory/5348-6-0x0000000005180000-0x000000000519A000-memory.dmp
        Filesize

        104KB

      • memory/5348-8-0x0000000006330000-0x00000000063B2000-memory.dmp
        Filesize

        520KB

      • memory/5348-13-0x00007FFA2D1B0000-0x00007FFA2D3A5000-memory.dmp
        Filesize

        2.0MB

      • memory/5348-1-0x0000000000230000-0x00000000002DA000-memory.dmp
        Filesize

        680KB

      • memory/5348-7-0x0000000005E50000-0x0000000005E60000-memory.dmp
        Filesize

        64KB

      • memory/5348-0-0x00007FFA2D1B0000-0x00007FFA2D3A5000-memory.dmp
        Filesize

        2.0MB

      • memory/5348-4-0x00007FFA2D1B0000-0x00007FFA2D3A5000-memory.dmp
        Filesize

        2.0MB

      • memory/5348-9-0x0000000008960000-0x00000000089FC000-memory.dmp
        Filesize

        624KB

      • memory/5348-3-0x0000000004CD0000-0x0000000004D62000-memory.dmp
        Filesize

        584KB