Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    21/05/2024, 01:53

General

  • Target

    Purchase Order-504789923/ABjGK9XeRxzJ33W.exe

  • Size

    855KB

  • MD5

    23603bfafc152b25980d9d2daf1a7eb7

  • SHA1

    ad240c8ff5e81a18f6c71f0392c8e1b0bf96bf87

  • SHA256

    bfd3502d2fa81b4e82c6d0f35da6ae508c5be2b83342cc564ede8e50b580f875

  • SHA512

    ff262a11a4d3ffdb1ae97f5f07b9e09a2b9deb9baa9aeaed52624e5dc1a5394a61aa20979ab7d95f0572f34f4e301e0dda7d4353f7088b8964b31059bd0a1cba

  • SSDEEP

    24576:GWtb3BEyS/eRwgblVA3LIRJPfSWUhh2l:VZBEnxIlVwcRp

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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.

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Purchase Order-504789923\ABjGK9XeRxzJ33W.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order-504789923\ABjGK9XeRxzJ33W.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZgyPhDuHCFbHKh.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2624
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZgyPhDuHCFbHKh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2839.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2508
    • C:\Users\Admin\AppData\Local\Temp\Purchase Order-504789923\ABjGK9XeRxzJ33W.exe
      "C:\Users\Admin\AppData\Local\Temp\Purchase Order-504789923\ABjGK9XeRxzJ33W.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2676

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp2839.tmp

          Filesize

          1KB

          MD5

          95aa74771475a6af14c3b1d9da1ddab5

          SHA1

          66fbecb9add63eb56b4364ffd88539870d7151fa

          SHA256

          253c7c5fdf553ca5c874079b5919dd4eceae56e2f543a43a67d2349713e61cb9

          SHA512

          9b784fb0aea363a4f53e29bb767a794e53678714359e1e1864f138f86dd2f66dabe4b4d220da3594a6d4b3b14231988603e11eca6d7196d9d955611a8e77a165

        • memory/2280-26-0x0000000074430000-0x0000000074B1E000-memory.dmp

          Filesize

          6.9MB

        • memory/2280-1-0x0000000000830000-0x000000000090A000-memory.dmp

          Filesize

          872KB

        • memory/2280-2-0x0000000074430000-0x0000000074B1E000-memory.dmp

          Filesize

          6.9MB

        • memory/2280-3-0x0000000000460000-0x0000000000482000-memory.dmp

          Filesize

          136KB

        • memory/2280-4-0x0000000000600000-0x000000000060C000-memory.dmp

          Filesize

          48KB

        • memory/2280-5-0x0000000000610000-0x0000000000620000-memory.dmp

          Filesize

          64KB

        • memory/2280-6-0x0000000004A70000-0x0000000004AF6000-memory.dmp

          Filesize

          536KB

        • memory/2280-0-0x000000007443E000-0x000000007443F000-memory.dmp

          Filesize

          4KB

        • memory/2676-23-0x0000000000400000-0x0000000000444000-memory.dmp

          Filesize

          272KB

        • memory/2676-21-0x0000000000400000-0x0000000000444000-memory.dmp

          Filesize

          272KB

        • memory/2676-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2676-18-0x0000000000400000-0x0000000000444000-memory.dmp

          Filesize

          272KB

        • memory/2676-16-0x0000000000400000-0x0000000000444000-memory.dmp

          Filesize

          272KB

        • memory/2676-14-0x0000000000400000-0x0000000000444000-memory.dmp

          Filesize

          272KB

        • memory/2676-12-0x0000000000400000-0x0000000000444000-memory.dmp

          Filesize

          272KB

        • memory/2676-22-0x0000000000400000-0x0000000000444000-memory.dmp

          Filesize

          272KB