Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/06/2024, 01:05

General

  • Target
    a38d11fe4e93ba2f88c70c336a98b0f093508fea47967b5a6a7784a7e5a90017.exe
  • Size 1.2MB
  • Sample240612-bfvnvaxckp
  • SHA256 a38d11fe4e93ba2f88c70c336a98b0f093508fea47967b5a6a7784a7e5a90017
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • AgentTesla

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

  • 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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a38d11fe4e93ba2f88c70c336a98b0f093508fea47967b5a6a7784a7e5a90017.exe
    "C:\Users\Admin\AppData\Local\Temp\a38d11fe4e93ba2f88c70c336a98b0f093508fea47967b5a6a7784a7e5a90017.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4652
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\a38d11fe4e93ba2f88c70c336a98b0f093508fea47967b5a6a7784a7e5a90017.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:836
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4652 -s 728
      2⤵
      • Program crash
      PID:3768
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4652 -ip 4652
    1⤵
      PID:1916

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          aut373C.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\aut373C.tmp
          • Size 262KB
          • SHA256 ef7c97b98f5b48fb212a0644860f18db870283d0e81a99af7103fe40f8b111d9
          • MD5 SHA1 SHA512 SSDEEP

          memory/836-13-0x0000000000400000-0x0000000000446000-memory.dmp

          memory/836-14-0x0000000000400000-0x0000000000446000-memory.dmp

          memory/836-15-0x0000000000400000-0x0000000000446000-memory.dmp

          memory/836-16-0x0000000000400000-0x0000000000446000-memory.dmp

          memory/836-17-0x000000007442E000-0x000000007442F000-memory.dmp

          memory/836-18-0x0000000003080000-0x00000000030D4000-memory.dmp

          memory/836-19-0x0000000005DD0000-0x0000000006374000-memory.dmp

          memory/836-21-0x00000000056E0000-0x0000000005732000-memory.dmp

          memory/836-20-0x0000000074420000-0x0000000074BD0000-memory.dmp

          memory/836-22-0x0000000074420000-0x0000000074BD0000-memory.dmp

          memory/836-74-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-50-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-82-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-80-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-78-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-76-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-72-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-70-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-68-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-66-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-64-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-62-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-60-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-58-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-56-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-54-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-52-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-48-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-46-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-44-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-42-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-40-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-38-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-34-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-32-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-30-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-28-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-36-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-26-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-24-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-23-0x00000000056E0000-0x000000000572D000-memory.dmp

          memory/836-184-0x0000000074420000-0x0000000074BD0000-memory.dmp

          memory/836-1054-0x0000000005920000-0x0000000005986000-memory.dmp

          memory/836-1055-0x0000000074420000-0x0000000074BD0000-memory.dmp

          memory/836-1056-0x00000000070D0000-0x0000000007120000-memory.dmp

          memory/836-1057-0x00000000071C0000-0x0000000007252000-memory.dmp

          memory/836-1058-0x0000000007130000-0x000000000713A000-memory.dmp

          memory/836-1059-0x0000000000400000-0x0000000000446000-memory.dmp

          memory/836-1060-0x000000007442E000-0x000000007442F000-memory.dmp

          memory/836-1061-0x0000000074420000-0x0000000074BD0000-memory.dmp

          memory/4652-12-0x0000000001CA0000-0x0000000001CA4000-memory.dmp