Analysis

  • max time kernel
    121s
  • max time network
    117s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    09/07/2020, 12:18

General

  • Target

    USD TT SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe

  • Size

    577KB

  • MD5

    ead08001bcb9fa496a221b48fe428325

  • SHA1

    d71a1a02ec57f3d72ce83dd7cf19ae6cde279450

  • SHA256

    76273b9a9b644e29ab62e389963e01a38af1882e7173afd9179ef487327e92a3

  • SHA512

    01df41873d19c450b026d51d872ffbd7180063f9c54ed06770f06a0986d0d125d4943f4c1efe85c646ffc2faabc4429e2404b528c975e4f2af205effabb262c5

Malware Config

Extracted

Credentials

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

Signatures

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • 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.

  • AgentTesla

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

  • Suspicious use of WriteProcessMemory 11 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Adds Run entry to start application 2 TTPs 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.

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 WriteProcessMemory
    • Suspicious use of SetThreadContext
    PID:976
    • C:\Users\Admin\AppData\Local\Temp\USD TT SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Adds Run entry to start application
      PID:3896
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1068

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3896-0-0x0000000000400000-0x0000000000452000-memory.dmp

            Filesize

            328KB