Analysis

  • max time kernel
    135s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09/11/2020, 20:34

General

  • Target
    Ziraat Bankas1 Swift Mesaji1_20200604-4A83-4C11-A410-FDF7C81DDA9E.exe
  • Size 1.5MB
  • Sample201109-3csfzptd1e
  • SHA256 7e08e758f9ab52f92fb38a7d7f114ea84df6804105def422feadb8f631a6c8af
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.brightpackaging.in

  • Port

    587

  • Password

    accounts744

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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ziraat Bankas1 Swift Mesaji1_20200604-4A83-4C11-A410-FDF7C81DDA9E.exe
    "C:\Users\Admin\AppData\Local\Temp\Ziraat Bankas1 Swift Mesaji1_20200604-4A83-4C11-A410-FDF7C81DDA9E.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1848
    • 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
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:316
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:652

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/316-0-0x0000000000400000-0x0000000000452000-memory.dmp

          memory/316-2-0x0000000000400000-0x0000000000452000-memory.dmp

          memory/316-3-0x00000000742C0000-0x00000000749AE000-memory.dmp

          memory/316-4-0x0000000000400000-0x0000000000401000-memory.dmp