Analysis

  • max time kernel
    90s
  • max time network
    64s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    17/07/2020, 17:25

General

  • Target

    Facturas pagadas al Ve........bat.exe

  • Size

    908KB

  • MD5

    408901a6193714a7eb765852cfb90179

  • SHA1

    a692f4aefe6c8c00472cf08691d7aa427aca1a34

  • SHA256

    70c1c70357b6bf9c6ae58213e4c69a6a4d04e2252f60785ca21e9dc5efe0e10f

  • SHA512

    81540454140ec7f4c1f0b98743de53cb83ba61a309cf1a1c52237397f375d0c89ed802ac40b864d512637bb5918bae0583fe45e5e81ce88838617681b4fe430e

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.imacdeveracruz.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Nal02ti*

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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Facturas pagadas al Ve........bat.exe
    "C:\Users\Admin\AppData\Local\Temp\Facturas pagadas al Ve........bat.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1124
    • C:\Users\Admin\AppData\Local\Temp\Facturas pagadas al Ve........bat.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1512

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1512-2-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1512-4-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1512-5-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB