Analysis

  • max time kernel
    85s
  • max time network
    90s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    10-07-2020 17:46

General

  • Target

    OFERTA DE LICENÇA DE COTAÇÃO - OAED_____.exe

  • Size

    630KB

  • MD5

    1b128e56a7f0c731b94894be1b3862ef

  • SHA1

    2ba2776b681a476038d354635f71c5799306ae2a

  • SHA256

    dc9ad489e9749a09227c79e5818fb5f3df9eb460bdc4c17e6d1efbe964b8b12f

  • SHA512

    00d66e8554d99a776c28b203f536156994855a52914261b4cfd83348be2e2af217c536de6161a931be8b176e21881c090a6fdf728c0a134f53aa6b64ef46ec33

Malware Config

Signatures

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • AgentTesla

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

  • Suspicious use of WriteProcessMemory 25 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\OFERTA DE LICENÇA DE COTAÇÃO - OAED_____.exe
    "C:\Users\Admin\AppData\Local\Temp\OFERTA DE LICENÇA DE COTAÇÃO - OAED_____.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetThreadContext
    PID:1492
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WmampRVV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp867D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:336
    • C:\Users\Admin\AppData\Local\Temp\OFERTA DE LICENÇA DE COTAÇÃO - OAED_____.exe
      "{path}"
      2⤵
        PID:928
      • C:\Users\Admin\AppData\Local\Temp\OFERTA DE LICENÇA DE COTAÇÃO - OAED_____.exe
        "{path}"
        2⤵
          PID:1516
        • C:\Users\Admin\AppData\Local\Temp\OFERTA DE LICENÇA DE COTAÇÃO - OAED_____.exe
          "{path}"
          2⤵
            PID:1512
          • C:\Users\Admin\AppData\Local\Temp\OFERTA DE LICENÇA DE COTAÇÃO - OAED_____.exe
            "{path}"
            2⤵
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious behavior: EnumeratesProcesses
            PID:1500

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Execution

        Scheduled Task

        1
        T1053

        Persistence

        Scheduled Task

        1
        T1053

        Privilege Escalation

        Scheduled Task

        1
        T1053

        Credential Access

        Credentials in Files

        3
        T1081

        Collection

        Data from Local System

        3
        T1005

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp867D.tmp
        • memory/336-0-0x0000000000000000-mapping.dmp
        • memory/1500-3-0x0000000000446D3E-mapping.dmp
        • memory/1500-2-0x0000000000400000-0x000000000044C000-memory.dmp
          Filesize

          304KB

        • memory/1500-4-0x0000000000400000-0x000000000044C000-memory.dmp
          Filesize

          304KB

        • memory/1500-5-0x0000000000400000-0x000000000044C000-memory.dmp
          Filesize

          304KB