Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    29-03-2024 01:14

General

  • Target

    6958edff030f068a9f5635d6eeb4a61ded0529f5fb9f6d7eca6ae1a79f0ba7c4.exe

  • Size

    709KB

  • MD5

    7ca0e6c3fe6efbaec5af029c7af74ea7

  • SHA1

    1a4398c8d844b6f3f4ccbe08b4693d533c127f89

  • SHA256

    6958edff030f068a9f5635d6eeb4a61ded0529f5fb9f6d7eca6ae1a79f0ba7c4

  • SHA512

    18a93b8906ed704527ee06b385ad23419604bf31ab76426a8bbf0c021dffd851af838680c92ae575e88c6766d0889d9c2dcbb6440f3fb1182280c99c67209069

  • SSDEEP

    12288:ZU0YOwq/eSznWnbtJSNQxiPHnJ/dMwJOivzleZ9UwSzaQ84fLVFqprcSkR:+O7/jznqtJSJPJFzMbrSzGa

Malware Config

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
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6958edff030f068a9f5635d6eeb4a61ded0529f5fb9f6d7eca6ae1a79f0ba7c4.exe
    "C:\Users\Admin\AppData\Local\Temp\6958edff030f068a9f5635d6eeb4a61ded0529f5fb9f6d7eca6ae1a79f0ba7c4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3032
    • 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\6958edff030f068a9f5635d6eeb4a61ded0529f5fb9f6d7eca6ae1a79f0ba7c4.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2156
    • C:\Users\Admin\AppData\Local\Temp\6958edff030f068a9f5635d6eeb4a61ded0529f5fb9f6d7eca6ae1a79f0ba7c4.exe
      "C:\Users\Admin\AppData\Local\Temp\6958edff030f068a9f5635d6eeb4a61ded0529f5fb9f6d7eca6ae1a79f0ba7c4.exe"
      2⤵
        PID:1344
      • C:\Users\Admin\AppData\Local\Temp\6958edff030f068a9f5635d6eeb4a61ded0529f5fb9f6d7eca6ae1a79f0ba7c4.exe
        "C:\Users\Admin\AppData\Local\Temp\6958edff030f068a9f5635d6eeb4a61ded0529f5fb9f6d7eca6ae1a79f0ba7c4.exe"
        2⤵
          PID:2584
        • C:\Users\Admin\AppData\Local\Temp\6958edff030f068a9f5635d6eeb4a61ded0529f5fb9f6d7eca6ae1a79f0ba7c4.exe
          "C:\Users\Admin\AppData\Local\Temp\6958edff030f068a9f5635d6eeb4a61ded0529f5fb9f6d7eca6ae1a79f0ba7c4.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2696

      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

      Discovery

      System Information Discovery

      1
      T1082

      Collection

      Data from Local System

      4
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2156-22-0x000000006FAB0000-0x000000007005B000-memory.dmp
        Filesize

        5.7MB

      • memory/2696-14-0x0000000000400000-0x000000000044A000-memory.dmp
        Filesize

        296KB

      • memory/2696-8-0x0000000000400000-0x000000000044A000-memory.dmp
        Filesize

        296KB

      • memory/2696-9-0x0000000000400000-0x000000000044A000-memory.dmp
        Filesize

        296KB

      • memory/2696-21-0x0000000004BB0000-0x0000000004BF0000-memory.dmp
        Filesize

        256KB

      • memory/2696-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
        Filesize

        4KB

      • memory/2696-6-0x0000000000400000-0x000000000044A000-memory.dmp
        Filesize

        296KB

      • memory/2696-7-0x0000000000400000-0x000000000044A000-memory.dmp
        Filesize

        296KB

      • memory/2696-12-0x0000000000400000-0x000000000044A000-memory.dmp
        Filesize

        296KB

      • memory/2696-18-0x0000000074A80000-0x000000007516E000-memory.dmp
        Filesize

        6.9MB

      • memory/2696-16-0x0000000000400000-0x000000000044A000-memory.dmp
        Filesize

        296KB

      • memory/3032-5-0x0000000005210000-0x000000000529C000-memory.dmp
        Filesize

        560KB

      • memory/3032-0-0x00000000000D0000-0x0000000000184000-memory.dmp
        Filesize

        720KB

      • memory/3032-2-0x00000000049E0000-0x0000000004A20000-memory.dmp
        Filesize

        256KB

      • memory/3032-17-0x0000000074A80000-0x000000007516E000-memory.dmp
        Filesize

        6.9MB

      • memory/3032-3-0x0000000000820000-0x000000000083A000-memory.dmp
        Filesize

        104KB

      • memory/3032-4-0x00000000005E0000-0x00000000005EC000-memory.dmp
        Filesize

        48KB

      • memory/3032-1-0x0000000074A80000-0x000000007516E000-memory.dmp
        Filesize

        6.9MB