Analysis

  • max time kernel
    615s
  • max time network
    562s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/06/2024, 23:50

General

  • Target
    sexy.rar
  • Size 34.5MB
  • Sample240608-3vsxcaac9z
  • SHA256 264c33358030655653d02cf653ca7f2e56a897b28689cdb35e015259afb71731
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • AgentTesla

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

  • AgentTesla payload 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 6 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 49 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\sexy.rar
    1⤵
    • Modifies registry class
    PID:4848
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:2512
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3500
    • C:\Program Files\7-Zip\7zG.exe
      "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\AppData\Local\Temp\sexy\" -spe -an -ai#7zMap736:88:7zEvent19072
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:4844
    • C:\Users\Admin\AppData\Local\Temp\sexy\Xworm V5.6.exe
      "C:\Users\Admin\AppData\Local\Temp\sexy\Xworm V5.6.exe"
      1⤵
      • Executes dropped EXE
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3468
    • C:\Windows\system32\wbem\WmiApSrv.exe
      C:\Windows\system32\wbem\WmiApSrv.exe
      1⤵
        PID:4764
      • C:\Windows\system32\AUDIODG.EXE
        C:\Windows\system32\AUDIODG.EXE 0x2f8 0x2f4
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2956
      • C:\Users\Admin\AppData\Local\Temp\sexy\Xworm V5.6.exe
        "C:\Users\Admin\AppData\Local\Temp\sexy\Xworm V5.6.exe"
        1⤵
        • Executes dropped EXE
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1564
      • C:\Windows\system32\wbem\WmiApSrv.exe
        C:\Windows\system32\wbem\WmiApSrv.exe
        1⤵
          PID:3472

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              Xworm V5.6.exe.log

              • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Xworm V5.6.exe.log
              • Size 1KB
              • SHA256 c897436c82fda9abf08b29fe05c42f4e59900116bbaf8bfd5b85ef3c97ab7884
              • MD5 SHA1 SHA512

              cookies.json

              • Path C:\Users\Admin\AppData\Local\Temp\sexy\ClientsFolder\F26943D0D149AD3F4279\Recovery\RecoveryData\cookies.json
              • Size 2B
              • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
              • MD5 SHA1 SHA512

              GeoIP.dat

              • Path C:\Users\Admin\AppData\Local\Temp\sexy\GeoIP.dat
              • Size 1.2MB
              • SHA256 bc07ff22d4ee0b6fafcc12482ecf2981c172a672194c647cedf9b4d215ad9740
              • MD5 SHA1 SHA512 SSDEEP

              Guna.UI2.dll

              • Path C:\Users\Admin\AppData\Local\Temp\sexy\Guna.UI2.dll
              • Size 1.9MB
              • SHA256 c6264665a882e73eb2262a74fea2c29b1921a9af33180126325fb67a851310ef
              • MD5 SHA1 SHA512 SSDEEP

              icon (15).ico

              • Path C:\Users\Admin\AppData\Local\Temp\sexy\Icons\icon (15).ico
              • Size 361KB
              • SHA256 b2f57a23ecc789c1bbf6037ac0825bf98babc7bf0c5d438af5e2767a27a79188
              • MD5 SHA1 SHA512 SSDEEP

              Intro.wav

              • Path C:\Users\Admin\AppData\Local\Temp\sexy\Sounds\Intro.wav
              • Size 238KB
              • SHA256 e3e5029bf5f29fa32d2f6cdda35697cd8e6035d5c78615f64d0b305d1bd926cf
              • MD5 SHA1 SHA512 SSDEEP

              Xworm V5.6.exe

              • Path C:\Users\Admin\AppData\Local\Temp\sexy\Xworm V5.6.exe
              • Size 14.9MB
              • SHA256 90f58865f265722ab007abb25074b3fc4916e927402552c6be17ef9afac96405
              • MD5 SHA1 SHA512 SSDEEP

              Xworm V5.6.exe.config

              • Path C:\Users\Admin\AppData\Local\Temp\sexy\Xworm V5.6.exe.config
              • Size 183B
              • SHA256 7ea08548c23bd7fd7c75ca720ac5a0e8ca94cb51d06cd45ebf5f412e4bbdd7d7
              • MD5 SHA1 SHA512

              memory/3468-319-0x0000017070940000-0x0000017071828000-memory.dmp

              memory/3468-321-0x0000017075360000-0x0000017075554000-memory.dmp