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Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/01/2025, 09:03

General

  • Target

    7dtpow.ps1

  • Size

    384KB

  • MD5

    5c540d4108cce10839d48d7a8ba97c11

  • SHA1

    cf410d7dfe50cbebec376464968a1a6035f778f1

  • SHA256

    65808985955d6c5df16a4679a0fca5437ab7b2a07eb55c240de1b8d22ae3b8c3

  • SHA512

    7098674e66ab8761e37f2aa4382e0bdb363605bfea0712b8ef8767809d1baae03ff97023f07e17555a9da09162260261294b8a63049ac48bc76448f6844b5e0b

  • SSDEEP

    6144:iz/Q0tevGcnK8XXHRSR0aiZd1kHY9LrNi76Dl6WiCAqeHbqg/dz71:A4yApnlXx40rr10sLrQ7W6ZCALqgVP1

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.antoniomayol.com:21
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    cMhKDQUk1{;%

Signatures

  • AgentTesla

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

  • Agenttesla family
  • Executes dropped EXE 1 IoCs
  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\7dtpow.ps1
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2452
    • C:\Users\Admin\AppData\Local\Temp\x.exe
      "C:\Users\Admin\AppData\Local\Temp\x.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2444
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        3⤵
          PID:2776
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          3⤵
            PID:2780
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2672

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\x.exe

        Filesize

        288KB

        MD5

        10454890a3d7c7c0b7ec0bf7018141e4

        SHA1

        167ab9a5a9e0c56689f73d894a397b9c176701df

        SHA256

        91fee98b5957d145f144b61107ea0283fc3e02eb7e19b432e868ee45ffdc528e

        SHA512

        20518fd44aff080fddac3a508bcc3b29336ea87c868bd0faf639726b36479de4562ec639e425dbe06234ba5b4629da84b37228b199f8497a7777d36638f77e04

      • memory/2444-36-0x0000000074280000-0x000000007496E000-memory.dmp

        Filesize

        6.9MB

      • memory/2444-19-0x000000007428E000-0x000000007428F000-memory.dmp

        Filesize

        4KB

      • memory/2444-20-0x00000000002F0000-0x0000000000340000-memory.dmp

        Filesize

        320KB

      • memory/2444-21-0x0000000074280000-0x000000007496E000-memory.dmp

        Filesize

        6.9MB

      • memory/2452-11-0x000007FEF5800000-0x000007FEF619D000-memory.dmp

        Filesize

        9.6MB

      • memory/2452-10-0x000007FEF5800000-0x000007FEF619D000-memory.dmp

        Filesize

        9.6MB

      • memory/2452-4-0x000007FEF5ABE000-0x000007FEF5ABF000-memory.dmp

        Filesize

        4KB

      • memory/2452-5-0x000000001B4D0000-0x000000001B7B2000-memory.dmp

        Filesize

        2.9MB

      • memory/2452-18-0x000007FEF5800000-0x000007FEF619D000-memory.dmp

        Filesize

        9.6MB

      • memory/2452-8-0x000007FEF5800000-0x000007FEF619D000-memory.dmp

        Filesize

        9.6MB

      • memory/2452-7-0x000007FEF5800000-0x000007FEF619D000-memory.dmp

        Filesize

        9.6MB

      • memory/2452-9-0x000007FEF5800000-0x000007FEF619D000-memory.dmp

        Filesize

        9.6MB

      • memory/2452-6-0x0000000001FE0000-0x0000000001FE8000-memory.dmp

        Filesize

        32KB

      • memory/2672-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2672-31-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2672-35-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2672-33-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2672-28-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2672-26-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2672-24-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2672-23-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB