Analysis

  • max time kernel
    84s
  • max time network
    137s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/11/2020, 19:38

General

  • Target
    PR#68478.exe
  • Size 1.8MB
  • Sample201109-pvfc59l71s
  • SHA256 aa8858f450d41fa1c9bade302c7d5f008f5abdb54cc3c048df93fdbfc8d24b07
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.dressmartintl.com

  • Port

    587

  • Password

    Dress@2020

Signatures

  • AgentTesla

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

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • AgentTesla Payload 13 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PR#68478.exe
    "C:\Users\Admin\AppData\Local\Temp\PR#68478.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4040
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3060
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1176
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3060 -s 1484
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:400

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          memory/400-22-0x00000000054C0000-0x00000000054C1000-memory.dmp

          memory/400-10-0x0000000004D90000-0x0000000004D91000-memory.dmp

          memory/3060-7-0x0000000005100000-0x0000000005101000-memory.dmp

          memory/3060-8-0x0000000005C90000-0x0000000005C91000-memory.dmp

          memory/3060-5-0x0000000005720000-0x0000000005721000-memory.dmp

          memory/3060-2-0x0000000072D50000-0x000000007343E000-memory.dmp

          memory/3060-0-0x0000000000400000-0x0000000000452000-memory.dmp

          memory/3060-6-0x0000000005140000-0x0000000005141000-memory.dmp