Analysis

  • max time kernel
    120s
  • max time network
    164s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27-03-2024 01:20

General

  • Target

    95e526a19a39942ee7073e28adddb685bb5bb41f889858c91bea644c657acb36.exe

  • Size

    731KB

  • MD5

    17f500de2cd71c52cdaae07f2a290c8a

  • SHA1

    e88cfdfb4f9c30671d03fcdb2e9b85d6318bbc3f

  • SHA256

    95e526a19a39942ee7073e28adddb685bb5bb41f889858c91bea644c657acb36

  • SHA512

    61590ce60027a26defa2fd04d515e7242545ecd6893b7568a799ab2b6b34d16390562985be5e1f16bd7bd5dbb242d29adc291d1e68efbadb829705265c8713c6

  • SSDEEP

    12288:0g4CMwp1SZUfek6vcaB5PXpPdJFyGn7xlfmE4RA36XbiiVWAmkR:LSkeklaB/1/jdlfmQQFL

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.thanhancompony.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    aSkIhV^3

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\95e526a19a39942ee7073e28adddb685bb5bb41f889858c91bea644c657acb36.exe
    "C:\Users\Admin\AppData\Local\Temp\95e526a19a39942ee7073e28adddb685bb5bb41f889858c91bea644c657acb36.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2932
    • C:\Users\Admin\AppData\Local\Temp\95e526a19a39942ee7073e28adddb685bb5bb41f889858c91bea644c657acb36.exe
      "C:\Users\Admin\AppData\Local\Temp\95e526a19a39942ee7073e28adddb685bb5bb41f889858c91bea644c657acb36.exe"
      2⤵
        PID:2072
      • C:\Users\Admin\AppData\Local\Temp\95e526a19a39942ee7073e28adddb685bb5bb41f889858c91bea644c657acb36.exe
        "C:\Users\Admin\AppData\Local\Temp\95e526a19a39942ee7073e28adddb685bb5bb41f889858c91bea644c657acb36.exe"
        2⤵
          PID:2684
        • C:\Users\Admin\AppData\Local\Temp\95e526a19a39942ee7073e28adddb685bb5bb41f889858c91bea644c657acb36.exe
          "C:\Users\Admin\AppData\Local\Temp\95e526a19a39942ee7073e28adddb685bb5bb41f889858c91bea644c657acb36.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2688

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Credential Access

      Unsecured Credentials

      4
      T1552

      Credentials In Files

      3
      T1552.001

      Credentials in Registry

      1
      T1552.002

      Collection

      Data from Local System

      4
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2688-15-0x0000000000400000-0x0000000000442000-memory.dmp
        Filesize

        264KB

      • memory/2688-24-0x0000000004C80000-0x0000000004CC0000-memory.dmp
        Filesize

        256KB

      • memory/2688-23-0x0000000073FB0000-0x000000007469E000-memory.dmp
        Filesize

        6.9MB

      • memory/2688-22-0x0000000004C80000-0x0000000004CC0000-memory.dmp
        Filesize

        256KB

      • memory/2688-21-0x0000000073FB0000-0x000000007469E000-memory.dmp
        Filesize

        6.9MB

      • memory/2688-19-0x0000000000400000-0x0000000000442000-memory.dmp
        Filesize

        264KB

      • memory/2688-17-0x0000000000400000-0x0000000000442000-memory.dmp
        Filesize

        264KB

      • memory/2688-7-0x0000000000400000-0x0000000000442000-memory.dmp
        Filesize

        264KB

      • memory/2688-9-0x0000000000400000-0x0000000000442000-memory.dmp
        Filesize

        264KB

      • memory/2688-11-0x0000000000400000-0x0000000000442000-memory.dmp
        Filesize

        264KB

      • memory/2688-12-0x0000000000400000-0x0000000000442000-memory.dmp
        Filesize

        264KB

      • memory/2688-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
        Filesize

        4KB

      • memory/2932-5-0x0000000005290000-0x0000000005314000-memory.dmp
        Filesize

        528KB

      • memory/2932-6-0x0000000073FB0000-0x000000007469E000-memory.dmp
        Filesize

        6.9MB

      • memory/2932-0-0x0000000000130000-0x00000000001E8000-memory.dmp
        Filesize

        736KB

      • memory/2932-20-0x0000000073FB0000-0x000000007469E000-memory.dmp
        Filesize

        6.9MB

      • memory/2932-4-0x0000000000400000-0x000000000040C000-memory.dmp
        Filesize

        48KB

      • memory/2932-3-0x00000000003D0000-0x00000000003E2000-memory.dmp
        Filesize

        72KB

      • memory/2932-2-0x0000000004BE0000-0x0000000004C20000-memory.dmp
        Filesize

        256KB

      • memory/2932-1-0x0000000073FB0000-0x000000007469E000-memory.dmp
        Filesize

        6.9MB