Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09-05-2024 10:01

General

  • Target

    23cd69950b5ba9c42eaa5fb9e380c0bc6ebf4533404ede15a6ed0f6abfe48627.exe

  • Size

    3.1MB

  • MD5

    5a4907e21a350b8f5ec41bc97c68dc4b

  • SHA1

    901f3101d1ba75e8e49730959f41ba298cca12ee

  • SHA256

    23cd69950b5ba9c42eaa5fb9e380c0bc6ebf4533404ede15a6ed0f6abfe48627

  • SHA512

    8b7167d4f5ded57dd5d7b59c1e0716e91ab01a31e17386cfe8bcef9b95fb937de9079c930cfd98a291afee81ce4ad39451463832d09f64b57fdf51a7cdda5eaf

  • SSDEEP

    49152:HzBfc7DQp8TtBl1U6rHcSclWL9O12nGaSF5wNTiFXWgiq9ipyg7sduyGaacWVkXG:Hzu4GobSFqYlX63rzQ2S

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.kenvue.cam
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    fmreport12345

Signatures

  • AgentTesla

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 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 use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\23cd69950b5ba9c42eaa5fb9e380c0bc6ebf4533404ede15a6ed0f6abfe48627.exe
    "C:\Users\Admin\AppData\Local\Temp\23cd69950b5ba9c42eaa5fb9e380c0bc6ebf4533404ede15a6ed0f6abfe48627.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
      2⤵
        PID:2628
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2640
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 1952 -s 664
        2⤵
          PID:2664

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1952-0-0x000007FEF5843000-0x000007FEF5844000-memory.dmp

        Filesize

        4KB

      • memory/1952-1-0x0000000000FA0000-0x000000000122C000-memory.dmp

        Filesize

        2.5MB

      • memory/1952-2-0x000007FEF5840000-0x000007FEF622C000-memory.dmp

        Filesize

        9.9MB

      • memory/1952-3-0x000000001B3B0000-0x000000001B63C000-memory.dmp

        Filesize

        2.5MB

      • memory/1952-4-0x00000000005D0000-0x0000000000666000-memory.dmp

        Filesize

        600KB

      • memory/1952-24-0x000007FEF5840000-0x000007FEF622C000-memory.dmp

        Filesize

        9.9MB

      • memory/1952-23-0x000007FEF5843000-0x000007FEF5844000-memory.dmp

        Filesize

        4KB

      • memory/2640-16-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2640-18-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2640-14-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2640-12-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2640-9-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2640-7-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2640-19-0x000000007454E000-0x000000007454F000-memory.dmp

        Filesize

        4KB

      • memory/2640-20-0x0000000074540000-0x0000000074C2E000-memory.dmp

        Filesize

        6.9MB

      • memory/2640-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2640-6-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2640-25-0x000000007454E000-0x000000007454F000-memory.dmp

        Filesize

        4KB

      • memory/2640-26-0x0000000074540000-0x0000000074C2E000-memory.dmp

        Filesize

        6.9MB