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Analysis

  • max time kernel
    137s
  • max time network
    87s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    10/07/2020, 07:03

General

  • Target

    TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe

  • Size

    432KB

  • MD5

    b5c7a29264b4d054fa8ab1833b6f5db5

  • SHA1

    0b59c38fcdefff646150d48e8d5f3a7e60a5f0f1

  • SHA256

    a5ffa8a9df04f5c586bcfa6b8a66b84e9709b248b5832fabaf192a52695938c3

  • SHA512

    af653383a85111f545974fa872a4827067acdab1caddc4cbfcc1f111cd1a11182370b72e7703318f915ca05f2f1da7241052048b1442c6e483cbe5bb0f3023a0

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.rebu.co.rw
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    o^Z0CIU?^yL2

Signatures

  • Suspicious use of WriteProcessMemory 11 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Adds Run entry to start application 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • AgentTesla

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe
    "C:\Users\Admin\AppData\Local\Temp\TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    PID:636
    • C:\Users\Admin\AppData\Local\Temp\TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe
      "{path}"
      2⤵
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetWindowsHookEx
      • Adds Run entry to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      PID:2588
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:952

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2588-2-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB