Analysis

  • max time kernel
    122s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-04-2024 13:51

General

  • Target

    PO82200185.exe

  • Size

    580KB

  • MD5

    eee0f0e92e4a36df7c2d2090f22a8a94

  • SHA1

    609c041d487df68a4a1da0059024d0af7d575ef4

  • SHA256

    78fe38ba9a5ee5fc0156e1d2a7598597f0fdeb85bba64c86bcc36ed9d1d24bd4

  • SHA512

    c2d2384b1c1994d19755ca0cc9e6da760b18d11921e2a1545db9f0fad877ce821bb1279ae3edd7d9f22a5cbbf7aa2c10eb8b3d83ee2c91b5702ff75d030f1661

  • SSDEEP

    12288:RUF9WMVRodAgSnIzizlQViWLhg/WWYgG2tscsN21b9A:RU2MVR1g8k6lGVFWRG2tLoWi

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).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO82200185.exe
    "C:\Users\Admin\AppData\Local\Temp\PO82200185.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1948
    • 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\PO82200185.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2588
    • C:\Users\Admin\AppData\Local\Temp\PO82200185.exe
      "C:\Users\Admin\AppData\Local\Temp\PO82200185.exe"
      2⤵
        PID:2604
      • C:\Users\Admin\AppData\Local\Temp\PO82200185.exe
        "C:\Users\Admin\AppData\Local\Temp\PO82200185.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2780

    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

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1948-0-0x0000000000F80000-0x0000000001018000-memory.dmp
      Filesize

      608KB

    • memory/1948-1-0x00000000748C0000-0x0000000074FAE000-memory.dmp
      Filesize

      6.9MB

    • memory/1948-2-0x0000000004A50000-0x0000000004A90000-memory.dmp
      Filesize

      256KB

    • memory/1948-3-0x0000000000430000-0x0000000000448000-memory.dmp
      Filesize

      96KB

    • memory/1948-4-0x00000000004B0000-0x00000000004BE000-memory.dmp
      Filesize

      56KB

    • memory/1948-5-0x00000000004C0000-0x00000000004D4000-memory.dmp
      Filesize

      80KB

    • memory/1948-6-0x00000000049D0000-0x0000000004A42000-memory.dmp
      Filesize

      456KB

    • memory/1948-21-0x00000000748C0000-0x0000000074FAE000-memory.dmp
      Filesize

      6.9MB

    • memory/2780-7-0x0000000000400000-0x0000000000430000-memory.dmp
      Filesize

      192KB

    • memory/2780-17-0x0000000000400000-0x0000000000430000-memory.dmp
      Filesize

      192KB

    • memory/2780-9-0x0000000000400000-0x0000000000430000-memory.dmp
      Filesize

      192KB

    • memory/2780-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/2780-15-0x0000000000400000-0x0000000000430000-memory.dmp
      Filesize

      192KB

    • memory/2780-20-0x0000000000400000-0x0000000000430000-memory.dmp
      Filesize

      192KB

    • memory/2780-12-0x0000000000400000-0x0000000000430000-memory.dmp
      Filesize

      192KB

    • memory/2780-11-0x0000000000400000-0x0000000000430000-memory.dmp
      Filesize

      192KB