Analysis

  • max time kernel
    147s
  • max time network
    82s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    09-07-2020 14:35

General

  • Target

    ZDQzOihuM7tYo0E.exe

  • Size

    566KB

  • MD5

    6d0a9aac6b0367efc965dc0f8eee7b56

  • SHA1

    d6bb418c0d5660f5f643685dd245f31b60eefe7e

  • SHA256

    8d67869517928418745bb57e58346ecfdd2af3321e13517159c292d159cc8dd1

  • SHA512

    010ed80a2429ec375e1288d75a4fba97d4cf67029b4772ed7710f139c57bbd84cdad205aa6c5583265f9553042874963a571eeac58e7745b5395935011758459

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    stark123@@@

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ZDQzOihuM7tYo0E.exe
    "C:\Users\Admin\AppData\Local\Temp\ZDQzOihuM7tYo0E.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3768
    • C:\Users\Admin\AppData\Local\Temp\ZDQzOihuM7tYo0E.exe
      "{path}"
      2⤵
        PID:2116
      • C:\Users\Admin\AppData\Local\Temp\ZDQzOihuM7tYo0E.exe
        "{path}"
        2⤵
          PID:2540
        • C:\Users\Admin\AppData\Local\Temp\ZDQzOihuM7tYo0E.exe
          "{path}"
          2⤵
            PID:2124
          • C:\Users\Admin\AppData\Local\Temp\ZDQzOihuM7tYo0E.exe
            "{path}"
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2192
            • C:\Windows\SysWOW64\netsh.exe
              "netsh" wlan show profile
              3⤵
                PID:3864

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\ZDQzOihuM7tYo0E.exe.log

            MD5

            ef140ef600b2463c9e7dbf064a104046

            SHA1

            c08fd1853877be95575ea2e860dd8cafef31f54c

            SHA256

            ad8ae97fdeb174b20f02c7ddf9466981856d77d51133599b5954f48f78a1b616

            SHA512

            bf16df0994080bdc832cb39a312e0095de57608256fcf0d04d589e0bdf3283f918fb0d6ec86ea28a4b1af6db12813c52a724028f02330ebc3a9d32a4fcda706c

          • memory/2192-0-0x0000000000400000-0x0000000000452000-memory.dmp

            Filesize

            328KB

          • memory/2192-1-0x000000000044CD6E-mapping.dmp

          • memory/3864-3-0x0000000000000000-mapping.dmp