Analysis

  • max time kernel
    96s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    17-07-2020 17:22

General

  • Target

    Facturas pagadas al Ve....bat.exe

  • Size

    867KB

  • MD5

    f467da4ad4e1b0a1a30ee9aefa881fc0

  • SHA1

    bb3815a9301b15ecd427489ad27d62b09db5b82a

  • SHA256

    80e81d5862eeb8f64349e953e74d0ceef0d5a691dfdbf5d9301b9e6d7cc84635

  • SHA512

    53d23ff6829e455a6a15e974095a6588be37bddfd8f8adc8a6cfb0e4bf9d72f6ed2be57249eb0f3e0d54370fd19d61b045d532471b6ec198954cf309dfab1c6a

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.magicpharma.pt
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Mc@1234

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.magicpharma.pt
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Mc@1234

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 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 8 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:3892
    • C:\Users\Admin\AppData\Local\Temp\Facturas pagadas al Ve....bat.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1736
  • C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
    C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
    1⤵
      PID:3856

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\Facturas pagadas al Ve....bat.exe.log

      MD5

      7e575b2dc3e01db6b834fd9fda69805d

      SHA1

      d1c6717027d6533440f079714f1cc9ad7c16e0a4

      SHA256

      42582eab0711e00c46ada28110f83b8d17201128ea7d0c1b3058d93fb423ef84

      SHA512

      c9204900249128ed0319c43ea89559a3e092fe195258bfeea73e67888df8cca69b7cc10562bfa83bc09c1f6ec0fbd389e7ba7016e3728b8964c3563d86bd4592

    • memory/1736-3-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1736-4-0x000000000044739E-mapping.dmp