Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    24/11/2023, 01:08

General

  • Target

    53e37eafee1ac440492fc29df6bdfcce69c927c8fe4c7ecba9ddf89fb83be29e.exe

  • Size

    795KB

  • MD5

    d7920afa8a4ef3b686c1e1bb01bcb932

  • SHA1

    948311e4531837b8f9fb51d5863790e7cc9091b3

  • SHA256

    53e37eafee1ac440492fc29df6bdfcce69c927c8fe4c7ecba9ddf89fb83be29e

  • SHA512

    cb669255f0d069241f64520209775227a8ba348bb829ed7954ae4bf61360465b8fb20a8dfa8dd637fdaf16fceab5071f070d56694f360b78d156ae4a82399867

  • SSDEEP

    24576:qii/tD/61g2k7URPAA0jZENCxsnEUbceCw9u/:qx6rk7UmZ8ZEUbcIa

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 2 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\53e37eafee1ac440492fc29df6bdfcce69c927c8fe4c7ecba9ddf89fb83be29e.exe
    "C:\Users\Admin\AppData\Local\Temp\53e37eafee1ac440492fc29df6bdfcce69c927c8fe4c7ecba9ddf89fb83be29e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1752
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KNnodxz.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2136
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KNnodxz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD46F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2648
    • C:\Users\Admin\AppData\Local\Temp\53e37eafee1ac440492fc29df6bdfcce69c927c8fe4c7ecba9ddf89fb83be29e.exe
      "C:\Users\Admin\AppData\Local\Temp\53e37eafee1ac440492fc29df6bdfcce69c927c8fe4c7ecba9ddf89fb83be29e.exe"
      2⤵
        PID:2912
      • C:\Users\Admin\AppData\Local\Temp\53e37eafee1ac440492fc29df6bdfcce69c927c8fe4c7ecba9ddf89fb83be29e.exe
        "C:\Users\Admin\AppData\Local\Temp\53e37eafee1ac440492fc29df6bdfcce69c927c8fe4c7ecba9ddf89fb83be29e.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2552

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\tmpD46F.tmp

            Filesize

            1KB

            MD5

            e2a72d711bd72fbd84d53cdc187d2720

            SHA1

            caf379ed2a02c75feceab12a6f4e352c08322409

            SHA256

            c7ac516df16fb3f07137f099cef82e9a8dff6c2dcb2301ed0d0fea36ef67fd69

            SHA512

            00d87329e72550ce537ac43568736e8d07be68e01c3a89478b2ad690f6807ae5df86fb1ecb09df31b0097af5a472d8698f9d709a5da50a912de8bbcefb7f0e85

          • memory/1752-26-0x00000000742C0000-0x00000000749AE000-memory.dmp

            Filesize

            6.9MB

          • memory/1752-1-0x00000000742C0000-0x00000000749AE000-memory.dmp

            Filesize

            6.9MB

          • memory/1752-2-0x0000000000600000-0x0000000000640000-memory.dmp

            Filesize

            256KB

          • memory/1752-3-0x0000000000590000-0x00000000005A8000-memory.dmp

            Filesize

            96KB

          • memory/1752-4-0x0000000000470000-0x0000000000476000-memory.dmp

            Filesize

            24KB

          • memory/1752-5-0x00000000005F0000-0x00000000005FA000-memory.dmp

            Filesize

            40KB

          • memory/1752-6-0x0000000005980000-0x0000000005A08000-memory.dmp

            Filesize

            544KB

          • memory/1752-0-0x0000000000230000-0x00000000002FE000-memory.dmp

            Filesize

            824KB

          • memory/2136-28-0x000000006E7A0000-0x000000006ED4B000-memory.dmp

            Filesize

            5.7MB

          • memory/2136-27-0x000000006E7A0000-0x000000006ED4B000-memory.dmp

            Filesize

            5.7MB

          • memory/2136-34-0x000000006E7A0000-0x000000006ED4B000-memory.dmp

            Filesize

            5.7MB

          • memory/2136-31-0x0000000002730000-0x0000000002770000-memory.dmp

            Filesize

            256KB

          • memory/2136-32-0x0000000002730000-0x0000000002770000-memory.dmp

            Filesize

            256KB

          • memory/2136-33-0x0000000002730000-0x0000000002770000-memory.dmp

            Filesize

            256KB

          • memory/2552-25-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2552-15-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2552-23-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2552-14-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2552-29-0x00000000742C0000-0x00000000749AE000-memory.dmp

            Filesize

            6.9MB

          • memory/2552-30-0x0000000004B70000-0x0000000004BB0000-memory.dmp

            Filesize

            256KB

          • memory/2552-16-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2552-21-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2552-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/2552-17-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2552-35-0x00000000742C0000-0x00000000749AE000-memory.dmp

            Filesize

            6.9MB

          • memory/2552-36-0x0000000004B70000-0x0000000004BB0000-memory.dmp

            Filesize

            256KB