Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21-05-2024 01:57

General

  • Target

    5617a17faab361c772af5ec1b640097706a850742cd0fe040784c1a49ada20eb.exe

  • Size

    714KB

  • MD5

    8c1ade64563e1d563569198fbef99347

  • SHA1

    3247ea6bd149ed55884c6b1e4f0cdd2c5dae057e

  • SHA256

    5617a17faab361c772af5ec1b640097706a850742cd0fe040784c1a49ada20eb

  • SHA512

    4b7b87bf1ff17f1af9b7655b4962851b5cecc57ae1c6dff9b3a065db4da7f90b0a80bb77e19854cda474e176348612656ea57e11c2ab1a93e519b5efa1097080

  • SSDEEP

    12288:eWET/mr9KJHRNy7DTxuK4VVTIVzWjiLduh5PNAA83mFU8LJYwXfdm7+m+h:eWtd73gh8Vzr5uTP+Ak8FYUfdm7G

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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5617a17faab361c772af5ec1b640097706a850742cd0fe040784c1a49ada20eb.exe
    "C:\Users\Admin\AppData\Local\Temp\5617a17faab361c772af5ec1b640097706a850742cd0fe040784c1a49ada20eb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2196
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rGBgAgwGRz.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2636
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rGBgAgwGRz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3025.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2676
    • C:\Users\Admin\AppData\Local\Temp\5617a17faab361c772af5ec1b640097706a850742cd0fe040784c1a49ada20eb.exe
      "C:\Users\Admin\AppData\Local\Temp\5617a17faab361c772af5ec1b640097706a850742cd0fe040784c1a49ada20eb.exe"
      2⤵
        PID:2188
      • C:\Users\Admin\AppData\Local\Temp\5617a17faab361c772af5ec1b640097706a850742cd0fe040784c1a49ada20eb.exe
        "C:\Users\Admin\AppData\Local\Temp\5617a17faab361c772af5ec1b640097706a850742cd0fe040784c1a49ada20eb.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2312

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp3025.tmp

      Filesize

      1KB

      MD5

      bd8fd3a808df2e80bbf300cce4dcc888

      SHA1

      8ffb4e48634cde0b9d558f11d53ccdd023970e28

      SHA256

      87fa4eeb671257a8eb93f9be5c7b4274598b760f3d0bf4559bdeb74a3a5afa82

      SHA512

      a3d51016805132525952ea4e77ad7aeaf4523a8df4769a6f93699e3e4bb7ccb4511bce0f52b5e802e8ecc4d659e1068d61d2e09e8655c1e9f8d02f2c622cde08

    • memory/2196-27-0x0000000074900000-0x0000000074FEE000-memory.dmp

      Filesize

      6.9MB

    • memory/2196-5-0x00000000003C0000-0x00000000003D0000-memory.dmp

      Filesize

      64KB

    • memory/2196-3-0x0000000000770000-0x0000000000792000-memory.dmp

      Filesize

      136KB

    • memory/2196-4-0x00000000003A0000-0x00000000003AC000-memory.dmp

      Filesize

      48KB

    • memory/2196-0-0x000000007490E000-0x000000007490F000-memory.dmp

      Filesize

      4KB

    • memory/2196-6-0x0000000005F50000-0x0000000005FD2000-memory.dmp

      Filesize

      520KB

    • memory/2196-2-0x0000000074900000-0x0000000074FEE000-memory.dmp

      Filesize

      6.9MB

    • memory/2196-1-0x00000000009C0000-0x0000000000A78000-memory.dmp

      Filesize

      736KB

    • memory/2312-14-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2312-23-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2312-26-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2312-17-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2312-24-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2312-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2312-20-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2312-18-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB