Analysis

  • max time kernel
    144s
  • max time network
    54s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    13/07/2021, 12:54

General

  • Target
    FORTUNA Purchase order.exe
  • Size 840KB
  • Sample210713-mcwkdyn95e
  • SHA256 05d2cc58039f7d736dcaea7fc43415966758d7befeabf4be9d15ec4f0bb4431e
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.ombakparadise.com

  • Port

    587

  • Password

    eng!@#paradise

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FORTUNA Purchase order.exe
    "C:\Users\Admin\AppData\Local\Temp\FORTUNA Purchase order.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:748
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      "{path}"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1368
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 392
        3⤵
        • Suspicious behavior: GetForegroundWindowSpam
        PID:740

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/740-68-0x0000000002480000-0x0000000002481000-memory.dmp

        memory/748-59-0x0000000075A71000-0x0000000075A73000-memory.dmp

        memory/748-60-0x00000000020C0000-0x00000000020C1000-memory.dmp

        memory/748-61-0x00000000020C1000-0x00000000020C2000-memory.dmp

        memory/1368-62-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1368-67-0x0000000000290000-0x0000000000291000-memory.dmp