Analysis

  • max time kernel
    113s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    09/07/2020, 04:22

General

  • Target
    origincripted.exe
  • Size 506KB
  • Sample200709-ph95wwsdpn
  • SHA256 2f82dffb6984064e3a865298818c2081de389fced1e4d98b12f2da014a74fcb9
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.wolterfan.com

  • Port

    587

  • Password

    @Mar123

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\origincripted.exe
    "C:\Users\Admin\AppData\Local\Temp\origincripted.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1460
    • C:\Users\Admin\AppData\Local\Temp\origincripted.exe
      "C:\Users\Admin\AppData\Local\Temp\origincripted.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1512
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1796

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1512-0-0x0000000000400000-0x00000000004B0000-memory.dmp

          memory/1512-2-0x0000000000400000-0x00000000004B0000-memory.dmp

          memory/1512-3-0x0000000000400000-0x00000000004B0000-memory.dmp

          memory/1512-4-0x0000000000390000-0x00000000003E2000-memory.dmp

          memory/1512-6-0x0000000000230000-0x000000000027B000-memory.dmp