Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    03/04/2024, 14:06

General

  • Target
    56b1b13bbe42015f512de69de47af0abda07316f4edef30f2c1ebc4c5bde5bf2.exe
  • Size 668KB
  • Sample240403-red8gaeb31
  • SHA256 56b1b13bbe42015f512de69de47af0abda07316f4edef30f2c1ebc4c5bde5bf2
  • MD5 SHA1 SHA512 SSDEEP

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\56b1b13bbe42015f512de69de47af0abda07316f4edef30f2c1ebc4c5bde5bf2.exe
    "C:\Users\Admin\AppData\Local\Temp\56b1b13bbe42015f512de69de47af0abda07316f4edef30f2c1ebc4c5bde5bf2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1972
    • 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\56b1b13bbe42015f512de69de47af0abda07316f4edef30f2c1ebc4c5bde5bf2.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2328
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TrVbSWhfr.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2620
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TrVbSWhfr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4460.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1924
    • C:\Users\Admin\AppData\Local\Temp\56b1b13bbe42015f512de69de47af0abda07316f4edef30f2c1ebc4c5bde5bf2.exe
      "C:\Users\Admin\AppData\Local\Temp\56b1b13bbe42015f512de69de47af0abda07316f4edef30f2c1ebc4c5bde5bf2.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2592

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp4460.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp4460.tmp
        • Size 1KB
        • SHA256 c4d6856d3ca9cd72e3773c93f05c5e9c40e895c62dcd186ac39bd48a506a8f23
        • MD5 SHA1 SHA512

        FEP7GV6QFTMSTKABJNUW.temp

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\FEP7GV6QFTMSTKABJNUW.temp
        • Size 7KB
        • SHA256 d4d94936f21078d288483f003d1b159dc5fcfdaf6fa531d5af4bc3343f61dcf3
        • MD5 SHA1 SHA512 SSDEEP

        memory/1972-0-0x0000000000E90000-0x0000000000F3E000-memory.dmp

        memory/1972-1-0x0000000074A50000-0x000000007513E000-memory.dmp

        memory/1972-2-0x0000000004900000-0x0000000004940000-memory.dmp

        memory/1972-3-0x0000000000320000-0x0000000000332000-memory.dmp

        memory/1972-4-0x0000000000340000-0x000000000034C000-memory.dmp

        memory/1972-5-0x00000000053D0000-0x0000000005442000-memory.dmp

        memory/1972-32-0x0000000074A50000-0x000000007513E000-memory.dmp

        memory/2328-36-0x000000006EB20000-0x000000006F0CB000-memory.dmp

        memory/2328-37-0x00000000029C0000-0x0000000002A00000-memory.dmp

        memory/2328-42-0x000000006EB20000-0x000000006F0CB000-memory.dmp

        memory/2328-38-0x00000000029C0000-0x0000000002A00000-memory.dmp

        memory/2328-26-0x000000006EB20000-0x000000006F0CB000-memory.dmp

        memory/2592-20-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/2592-18-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/2592-45-0x0000000005060000-0x00000000050A0000-memory.dmp

        memory/2592-31-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/2592-41-0x00000000735B0000-0x0000000073C9E000-memory.dmp

        memory/2592-22-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/2592-35-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/2592-44-0x00000000735B0000-0x0000000073C9E000-memory.dmp

        memory/2592-27-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/2592-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/2592-23-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/2620-30-0x00000000029E0000-0x0000000002A20000-memory.dmp

        memory/2620-40-0x00000000029E0000-0x0000000002A20000-memory.dmp

        memory/2620-43-0x000000006EB20000-0x000000006F0CB000-memory.dmp

        memory/2620-39-0x00000000029E0000-0x0000000002A20000-memory.dmp

        memory/2620-28-0x000000006EB20000-0x000000006F0CB000-memory.dmp

        memory/2620-34-0x000000006EB20000-0x000000006F0CB000-memory.dmp