Analysis

  • max time kernel
    96s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    18/08/2020, 07:31

General

  • Target
    transferencia.PDF_____________________.bat.exe
  • Size 602KB
  • Sample200818-glht22bk76
  • SHA256 abbc118eb1bf05f65a684916411d404bfb76e44bd498c9be15ba798561e9effd
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.emifarma.com

  • Port

    587

  • Password

    icui4cu2@@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\transferencia.PDF_____________________.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\transferencia.PDF_____________________.bat.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:788
    • C:\Users\Admin\AppData\Local\Temp\transferencia.PDF_____________________.bat.exe
      "C:\Users\Admin\AppData\Local\Temp\transferencia.PDF_____________________.bat.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1904

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1904-0-0x0000000000400000-0x000000000044C000-memory.dmp

        memory/1904-3-0x0000000000400000-0x000000000044C000-memory.dmp

        memory/1904-2-0x0000000000400000-0x000000000044C000-memory.dmp