Analysis

  • max time kernel
    150s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    29/09/2021, 09:49

General

  • Target
    DHL-Waybill.PDF.exe
  • Size 692KB
  • Sample210929-ltc13aeefl
  • SHA256 96a994c8a1cd85aa5779b46052ad94a4fb72fbe8451ee8a8e6ae8be49a2bc458
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.germantwinscrews-de.com

  • Port

    587

  • Password

    JDG3v8mw

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL-Waybill.PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL-Waybill.PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1544
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Drops file in Drivers directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:752
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 752 -s 1060
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1928

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/752-61-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/752-63-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/752-65-0x0000000001FF0000-0x0000000001FF1000-memory.dmp

        memory/1544-54-0x00000000011A0000-0x00000000011A1000-memory.dmp

        memory/1544-56-0x0000000004C10000-0x0000000004C11000-memory.dmp

        memory/1544-57-0x0000000000670000-0x0000000000683000-memory.dmp

        memory/1544-58-0x0000000005C50000-0x0000000005CBC000-memory.dmp

        memory/1544-59-0x00000000006B0000-0x00000000006B2000-memory.dmp

        memory/1544-60-0x0000000007CC0000-0x0000000007D06000-memory.dmp

        memory/1928-67-0x00000000002C0000-0x0000000000300000-memory.dmp