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Analysis

  • max time kernel
    149s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    09/07/2020, 07:39

General

  • Target

    attached swifts..exe

  • Size

    559KB

  • MD5

    6ae5b3ed0174f1ae431622ced5bcd531

  • SHA1

    6ea45473611793b785bb7d991ac869f1ef305edd

  • SHA256

    408cd033f668e95e4e65ea4ef406d63910b7b04158efa491ed704196a2a5063a

  • SHA512

    9e2aaa3e2bf705faa920a33136991d11e80c265dba8a1bab5384e02edc6e2f56d2285d75a1a55cc42b7d1dbb35f69ca25795aa0d1ea852b50d22d1b7a7902890

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.mexicanproduct.com.mx
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Produccion2020.

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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\attached swifts..exe
    "C:\Users\Admin\AppData\Local\Temp\attached swifts..exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1016
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fFcpdhem" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8130.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1372
    • C:\Users\Admin\AppData\Local\Temp\attached swifts..exe
      "{path}"
      2⤵
        PID:1772
      • C:\Users\Admin\AppData\Local\Temp\attached swifts..exe
        "{path}"
        2⤵
          PID:1784
        • C:\Users\Admin\AppData\Local\Temp\attached swifts..exe
          "{path}"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1768

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1768-2-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/1768-4-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/1768-5-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB