Analysis

  • max time kernel
    80s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    04/09/2020, 15:03

General

  • Target
    Lnr6Vr0283QGR6Y.exe
  • Size 714KB
  • Sample200904-ejpmnw7tgs
  • SHA256 0f554bb19749e97d63525c4d964041e8d6fc149cb0aec5c4560cccf09babc39c
  • 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.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Lnr6Vr0283QGR6Y.exe
    "C:\Users\Admin\AppData\Local\Temp\Lnr6Vr0283QGR6Y.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1332
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CbloGRVdVtjQOz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC793.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1692
    • C:\Users\Admin\AppData\Local\Temp\Lnr6Vr0283QGR6Y.exe
      "C:\Users\Admin\AppData\Local\Temp\Lnr6Vr0283QGR6Y.exe"
      2⤵
        PID:1648
      • C:\Users\Admin\AppData\Local\Temp\Lnr6Vr0283QGR6Y.exe
        "C:\Users\Admin\AppData\Local\Temp\Lnr6Vr0283QGR6Y.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1660

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/1660-2-0x0000000000400000-0x0000000000466000-memory.dmp

          memory/1660-4-0x0000000000400000-0x0000000000466000-memory.dmp

          memory/1660-5-0x0000000000400000-0x0000000000466000-memory.dmp