Analysis

  • max time kernel
    108s
  • max time network
    70s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    19/08/2020, 11:16

General

  • Target
    PO 8182020.exe
  • Size 599KB
  • Sample200819-nhmt4lpg52
  • SHA256 a7ec6dfb09d3866bdfe3a1306182ad995f309029828f9e1de99bb7f658cacb64
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • AgentTesla

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

  • AgentTesla Payload 7 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • 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 WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO 8182020.exe
    "C:\Users\Admin\AppData\Local\Temp\PO 8182020.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:112
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iWYFZk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF871.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1908
    • C:\Users\Admin\AppData\Local\Temp\PO 8182020.exe
      "C:\Users\Admin\AppData\Local\Temp\PO 8182020.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1776

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/112-0-0x0000000074780000-0x0000000074E6E000-memory.dmp

        memory/112-1-0x0000000000850000-0x0000000000851000-memory.dmp

        memory/112-3-0x0000000000450000-0x0000000000453000-memory.dmp

        memory/112-4-0x00000000053F0000-0x0000000005478000-memory.dmp

        memory/112-5-0x0000000005030000-0x0000000005095000-memory.dmp

        memory/1776-8-0x0000000000400000-0x000000000045A000-memory.dmp

        memory/1776-10-0x0000000000400000-0x000000000045A000-memory.dmp

        memory/1776-11-0x0000000000400000-0x000000000045A000-memory.dmp

        memory/1776-12-0x0000000074780000-0x0000000074E6E000-memory.dmp