Analysis

  • max time kernel
    104s
  • max time network
    92s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    17/07/2020, 05:42

General

  • Target

    nwamaz[1].bin.exe

  • Size

    857KB

  • MD5

    1816e8da2dee59b874332183ec7d2dc0

  • SHA1

    3ed18220bc44124569ba0c2f649b8d81bdd8b23b

  • SHA256

    8ece67aa85fe6065793915cbb131064fbbae056c12a0402eac038c23eedda754

  • SHA512

    a409cc78f608024911d1edd46aedd42a59a5151aa751f3f39fe9977682a28d81dd85d7d927be11ed676228d1d840c97df4319f1a440486a60b360a91d6242600

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mangero.xyz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    7213575aceACE@#$

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\nwamaz[1].bin.exe
    "C:\Users\Admin\AppData\Local\Temp\nwamaz[1].bin.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:428
    • C:\Users\Admin\AppData\Local\Temp\nwamaz[1].bin.exe
      "{path}"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3696
  • C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
    C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
    1⤵
      PID:640

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3696-0-0x0000000000400000-0x000000000044C000-memory.dmp

            Filesize

            304KB