Analysis

  • max time kernel
    131s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    17/10/2020, 06:34

General

  • Target
    PI20080111-Signed.exe
  • Size 781KB
  • Sample201017-7f2vxcyhm6
  • SHA256 d622d02dfd5ebd085c835d848b2a25091c06751f150575b9092bb99e98f94e31
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.ceeit.co.za

  • Port

    587

  • Password

    123diy123

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PI20080111-Signed.exe
    "C:\Users\Admin\AppData\Local\Temp\PI20080111-Signed.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1000
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:1168
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1816

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1000-0-0x0000000074360000-0x0000000074A4E000-memory.dmp

          memory/1000-1-0x0000000000230000-0x0000000000231000-memory.dmp

          memory/1000-3-0x00000000020A0000-0x00000000020DE000-memory.dmp

          memory/1000-5-0x00000000003B0000-0x00000000003EC000-memory.dmp

          memory/1816-7-0x0000000000400000-0x000000000043C000-memory.dmp

          memory/1816-9-0x0000000000400000-0x000000000043C000-memory.dmp

          memory/1816-10-0x0000000000400000-0x000000000043C000-memory.dmp

          memory/1816-11-0x00000000736A0000-0x0000000073D8E000-memory.dmp