Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/05/2024, 01:53

General

  • Target

    vsl_details_pdf.exe

  • Size

    1.1MB

  • MD5

    c8ed23b2417d00c612b447fd6e6fa96b

  • SHA1

    4bd33f0ab367532bd92b18718b402865251278fb

  • SHA256

    7dad27294808e93adf767c07c07ec76f96c35710703567a95fa6d54b823ee5e7

  • SHA512

    93dd47fcf969e803c9aca7a8054bced641287a36c8373b7e31e7f4ec654421ba85e6543d18b0f56d6205edd461c2516fa354133fe397d5559cb9e095864806fa

  • SSDEEP

    24576:SAHnh+eWsN3skA4RV1Hom2KXMmHamgSCW84GYJrIk6A5:Vh+ZkldoPK8YamxCW84Gs

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Looks up external IP address via web service 3 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\vsl_details_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\vsl_details_pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1388
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\vsl_details_pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4612

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1388-10-0x0000000003500000-0x0000000003504000-memory.dmp

          Filesize

          16KB

        • memory/4612-11-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/4612-12-0x00000000741CE000-0x00000000741CF000-memory.dmp

          Filesize

          4KB

        • memory/4612-13-0x0000000005510000-0x0000000005AB4000-memory.dmp

          Filesize

          5.6MB

        • memory/4612-14-0x0000000004FD0000-0x0000000005036000-memory.dmp

          Filesize

          408KB

        • memory/4612-15-0x00000000741C0000-0x0000000074970000-memory.dmp

          Filesize

          7.7MB

        • memory/4612-16-0x0000000006550000-0x00000000065A0000-memory.dmp

          Filesize

          320KB

        • memory/4612-17-0x0000000006640000-0x00000000066D2000-memory.dmp

          Filesize

          584KB

        • memory/4612-18-0x00000000065D0000-0x00000000065DA000-memory.dmp

          Filesize

          40KB

        • memory/4612-19-0x00000000741CE000-0x00000000741CF000-memory.dmp

          Filesize

          4KB

        • memory/4612-20-0x00000000741C0000-0x0000000074970000-memory.dmp

          Filesize

          7.7MB