Analysis

  • max time kernel
    137s
  • max time network
    96s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    13-07-2020 06:55

General

  • Target

    2 USD TT SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe

  • Size

    427KB

  • MD5

    3e77166275002dd0e4df595bca8dcaf1

  • SHA1

    f9e4faa167e0b8e65e69da3ad8140888a572b613

  • SHA256

    8af4cabaafaadb227fdcc2bd72da9d6b74cc50752ef4825360dc875a4762af67

  • SHA512

    6769da4b10d8c83752611912165f9a7f139d119516a556a618e1f1dc80001425c574fb0bf5a1a12fb8c6af59ceded0e3c3a637ec11b9a990ce3a3b575b846ddb

Malware Config

Extracted

Credentials

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

Signatures

  • 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 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.

  • Adds Run entry to start application 2 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • AgentTesla

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

  • Reads user/profile data of web browsers 2 TTPs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2 USD TT SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe
    "C:\Users\Admin\AppData\Local\Temp\2 USD TT SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1000
    • C:\Users\Admin\AppData\Local\Temp\2 USD TT SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe
      "{path}"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Adds Run entry to start application
      • Suspicious use of WriteProcessMemory
      PID:4060
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:3520
    • C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
      C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
      1⤵
        PID:1704

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\2 USD TT SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe.log
      • memory/3520-3-0x0000000000000000-mapping.dmp
      • memory/4060-0-0x0000000000400000-0x0000000000452000-memory.dmp
        Filesize

        328KB

      • memory/4060-1-0x000000000044CF0E-mapping.dmp