Analysis

  • max time kernel
    93s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 12:37

General

  • Target

    IMG 24344 NEW ORDER_PDF.exe

  • Size

    436KB

  • MD5

    b035dca1c45df0d51fcd63889e4d9096

  • SHA1

    46709b2bc3ed148a85aa0bf56f1f4f3de439997d

  • SHA256

    e6a6aaa90584d600b801a14dab920d9ce945523a5620029b978f8d236cbbde9e

  • SHA512

    fbdd6b97635c61934d74044cb4c56aac59b73daed6d8eb2dcd64df4dea8db97670b6ca53e52ddd5dd9e68650d7157b5fc41d2c48a1847ff8c355137b263338c6

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.candenizcilik.com
  • Port:
    587
  • Username:
    info@candenizcilik.com
  • Password:
    519025

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\IMG 24344 NEW ORDER_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\IMG 24344 NEW ORDER_PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Users\Admin\AppData\Local\Temp\IMG 24344 NEW ORDER_PDF.exe
      "{path}"
      2⤵
        PID:956
      • C:\Users\Admin\AppData\Local\Temp\IMG 24344 NEW ORDER_PDF.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        • outlook_win_path
        PID:1580
        • C:\Windows\SysWOW64\netsh.exe
          "netsh" wlan show profile
          3⤵
            PID:1076

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Credential Access

      Credentials in Files

      3
      T1081

      Collection

      Data from Local System

      3
      T1005

      Email Collection

      1
      T1114

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1076-69-0x0000000000000000-mapping.dmp
      • memory/1580-56-0x0000000000400000-0x0000000000452000-memory.dmp
        Filesize

        328KB

      • memory/1580-57-0x0000000000400000-0x0000000000452000-memory.dmp
        Filesize

        328KB

      • memory/1580-59-0x0000000000400000-0x0000000000452000-memory.dmp
        Filesize

        328KB

      • memory/1580-60-0x0000000000400000-0x0000000000452000-memory.dmp
        Filesize

        328KB

      • memory/1580-61-0x0000000000400000-0x0000000000452000-memory.dmp
        Filesize

        328KB

      • memory/1580-62-0x000000000044CB0E-mapping.dmp
      • memory/1580-66-0x0000000000400000-0x0000000000452000-memory.dmp
        Filesize

        328KB

      • memory/1580-64-0x0000000000400000-0x0000000000452000-memory.dmp
        Filesize

        328KB

      • memory/1580-68-0x0000000074AE0000-0x000000007508B000-memory.dmp
        Filesize

        5.7MB

      • memory/1612-54-0x0000000076531000-0x0000000076533000-memory.dmp
        Filesize

        8KB

      • memory/1612-55-0x0000000074AE0000-0x000000007508B000-memory.dmp
        Filesize

        5.7MB