Analysis

  • max time kernel
    92s
  • max time network
    107s
  • 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 03:46

General

  • Target

    Aluminium_Oxide00980000.pdf.exe

  • Size

    1.2MB

  • MD5

    0121ac85dac0e08a52e66625dd8f7b76

  • SHA1

    c584b4edae0914020a6b46690bfc2f2ca0e3f2e0

  • SHA256

    f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33

  • SHA512

    1ebe1cc2f221b0148197d770b50aebc19af17244f859540963c99bc3e2e3dfa1db0b042d0f9c36d4d6754eb597f60d2ed5757e30fb7c7eb88767895d407c8f11

  • SSDEEP

    24576:6XMUEIvSt6qJ3zH6s5K4Z3LNeBXr3v6QXBUdAiZO8IZO:y0mM3LclTdviUvZO

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.brusln.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Countrycode@2024

Extracted

Family

agenttesla

Credentials

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 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2252
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4836
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
      2⤵
        PID:544

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2252-0-0x00007FFD5B973000-0x00007FFD5B975000-memory.dmp

      Filesize

      8KB

    • memory/2252-1-0x0000026AF7280000-0x0000026AF728A000-memory.dmp

      Filesize

      40KB

    • memory/2252-2-0x00007FFD5B970000-0x00007FFD5C431000-memory.dmp

      Filesize

      10.8MB

    • memory/2252-3-0x00007FFD5B970000-0x00007FFD5C431000-memory.dmp

      Filesize

      10.8MB

    • memory/2252-4-0x0000026AF7D30000-0x0000026AF7DC6000-memory.dmp

      Filesize

      600KB

    • memory/2252-10-0x00007FFD5B970000-0x00007FFD5C431000-memory.dmp

      Filesize

      10.8MB

    • memory/4836-8-0x00000000052C0000-0x0000000005326000-memory.dmp

      Filesize

      408KB

    • memory/4836-7-0x0000000005700000-0x0000000005CA4000-memory.dmp

      Filesize

      5.6MB

    • memory/4836-6-0x0000000074E6E000-0x0000000074E6F000-memory.dmp

      Filesize

      4KB

    • memory/4836-9-0x0000000074E60000-0x0000000075610000-memory.dmp

      Filesize

      7.7MB

    • memory/4836-5-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/4836-12-0x0000000006670000-0x00000000066C0000-memory.dmp

      Filesize

      320KB

    • memory/4836-13-0x0000000006760000-0x00000000067FC000-memory.dmp

      Filesize

      624KB

    • memory/4836-14-0x00000000068A0000-0x0000000006932000-memory.dmp

      Filesize

      584KB

    • memory/4836-15-0x0000000006860000-0x000000000686A000-memory.dmp

      Filesize

      40KB

    • memory/4836-16-0x0000000074E6E000-0x0000000074E6F000-memory.dmp

      Filesize

      4KB

    • memory/4836-17-0x0000000074E60000-0x0000000075610000-memory.dmp

      Filesize

      7.7MB