Analysis

  • max time kernel
    66s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    19/04/2023, 16:10

General

  • Target
    rCotizacion07907.exe
  • Size 618KB
  • Sample230419-tmd9jsdf7x
  • SHA256 efcb803043e60001aea737d0033b2b91c52d3a3d13d1c22c94f79511cfed17a3
  • 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 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rCotizacion07907.exe
    "C:\Users\Admin\AppData\Local\Temp\rCotizacion07907.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Users\Admin\AppData\Local\Temp\rCotizacion07907.exe
      "C:\Users\Admin\AppData\Local\Temp\rCotizacion07907.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:432

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/432-66-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/432-68-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/432-72-0x0000000000390000-0x00000000003D0000-memory.dmp

        memory/432-71-0x0000000000390000-0x00000000003D0000-memory.dmp

        memory/432-70-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/432-64-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/432-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/432-61-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/432-62-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/432-63-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/2012-55-0x0000000004B70000-0x0000000004BB0000-memory.dmp

        memory/2012-60-0x0000000000D50000-0x0000000000D82000-memory.dmp

        memory/2012-54-0x0000000000EE0000-0x0000000000F80000-memory.dmp

        memory/2012-59-0x0000000004CF0000-0x0000000004D5A000-memory.dmp

        memory/2012-58-0x0000000000930000-0x000000000093C000-memory.dmp

        memory/2012-57-0x0000000004B70000-0x0000000004BB0000-memory.dmp

        memory/2012-56-0x0000000000920000-0x0000000000934000-memory.dmp