Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    12/07/2020, 08:12

General

  • Target
    USD TT SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe
  • Size 407KB
  • Sample200712-j9ez84h1ca
  • SHA256 aed428639ef8418476a13687beed0c54fd48a8d89ca0d9a669439b31d93ca779
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    ftp

  • Host

    ftp.rebu.co.rw

  • Port

    21

  • Password

    o^Z0CIU?^yL2

Signatures

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • AgentTesla

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

  • Adds Run entry to start application 2 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

Processes

  • C:\Users\Admin\AppData\Local\Temp\USD TT SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe
    "C:\Users\Admin\AppData\Local\Temp\USD TT SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3844
    • C:\Users\Admin\AppData\Local\Temp\USD TT SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe
      "{path}"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Adds Run entry to start application
      • Suspicious use of WriteProcessMemory
      • Suspicious behavior: EnumeratesProcesses
      PID:3648
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1424
    • C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
      C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
      1⤵
        PID:3356

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/3648-0-0x0000000000400000-0x0000000000452000-memory.dmp