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Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    09/07/2020, 13:34

General

  • Target

    attached swifts.exe

  • Size

    737KB

  • MD5

    7a52b8a391d6c4a2d421ae7367a7eb8a

  • SHA1

    607af296abcb31db79877e1cd6f6f25e8c88f3f5

  • SHA256

    cc1d466f94bbd61eb8ef952b8f112d2015cf0b14c72f6f9b47e0ab3d4b368b2f

  • SHA512

    d0866ffdda1440893aa00d151d0783e9c604805eb9a0412a63661a49b0398a2b776e95c223193f1080a06f4b386f088c7d8708f326d331a38853781618762b9d

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 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
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 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 use of WriteProcessMemory
    PID:3768
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QmZkCrTdrajDkB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp30DA.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2212
    • C:\Users\Admin\AppData\Local\Temp\attached swifts.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2684

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2684-2-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB