Analysis

  • max time kernel
    144s
  • max time network
    37s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    10-07-2020 13:31

General

  • Target

    inquiry.exe

  • Size

    449KB

  • MD5

    f68a1350469f33284215b4bdeece9684

  • SHA1

    a18e517eb1409c06d73cae87d3253ea83ad8c97f

  • SHA256

    ca8f27e8398ec81d1bbaa5714ef8bb4c557edeb706690bc031a3089c990bbef1

  • SHA512

    8d47ca1fe59f89112b09cde3648e8b2bc4d29cc9b5abcb3019b4d35fdf49d8e9671ca61674154a9ee02630b137af456b08e691996d04cfb1a3b72445d261867e

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ikem123456789

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\inquiry.exe
    "C:\Users\Admin\AppData\Local\Temp\inquiry.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:676
    • C:\Users\Admin\AppData\Local\Temp\inquiry.exe
      "{path}"
      2⤵
        PID:1712
      • C:\Users\Admin\AppData\Local\Temp\inquiry.exe
        "{path}"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1852
        • C:\Windows\SysWOW64\netsh.exe
          "netsh" wlan show profile
          3⤵
            PID:920

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1852-2-0x0000000000400000-0x0000000000452000-memory.dmp

        Filesize

        328KB

      • memory/1852-4-0x0000000000400000-0x0000000000452000-memory.dmp

        Filesize

        328KB

      • memory/1852-5-0x0000000000400000-0x0000000000452000-memory.dmp

        Filesize

        328KB