Analysis

  • max time kernel
    141s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    09-12-2022 06:28

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.31371.23237.exe

  • Size

    928KB

  • MD5

    1d76f1d51aa832a0fdd21ef8c128f910

  • SHA1

    b31199e25953d3653fd3f0fcd8b4a5aaa465cc89

  • SHA256

    fa431ce5e491b7c0a4e334d654e473bd1e8a69b9a46672c36dd4384f99420dd1

  • SHA512

    38247db5c31507631482b77ac74deec13d5dc43d185cb6473604e9ce1e805e55427d21802acaa954b6c42769130e53ed64709a959f65afa26945e0885683f832

  • SSDEEP

    12288:TKfutxpVhZ0+GEdrt8ZLc27EYubRijPyZ0XuvHtQ9OQX1tRg3pFL:TKfupDt8Zo/ijc0X8GMOXRApF

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5792273343:AAEA9U7DCI4qHTq4iHfT5XkdD5IEsA0KtTo/

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.31371.23237.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.31371.23237.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:940
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.31371.23237.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.31371.23237.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:856

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/856-64-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/856-63-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/856-70-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/856-68-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/856-66-0x000000000042969E-mapping.dmp

  • memory/856-61-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/856-65-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/856-60-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/940-55-0x00000000760A1000-0x00000000760A3000-memory.dmp

    Filesize

    8KB

  • memory/940-54-0x0000000000F00000-0x0000000000FEE000-memory.dmp

    Filesize

    952KB

  • memory/940-59-0x0000000005D20000-0x0000000005D96000-memory.dmp

    Filesize

    472KB

  • memory/940-58-0x0000000005E70000-0x0000000005F1C000-memory.dmp

    Filesize

    688KB

  • memory/940-57-0x0000000000450000-0x000000000045E000-memory.dmp

    Filesize

    56KB

  • memory/940-56-0x00000000003F0000-0x000000000040A000-memory.dmp

    Filesize

    104KB