Overview

overview

10

Static

static

10

ShellExperience.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-11-2024 04:27

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General

  • Target

    ShellExperience.exe

  • Size

    94KB

  • MD5

    2bf7a8f812b079dc8319a76d67eb88fa

  • SHA1

    84eb63daa0bb7c1052da5d8c2dd2b82cf2be2b64

  • SHA256

    3150d0efff068e6f2963891667085ff0b7e841b2208e0bddb368c05246bb8829

  • SHA512

    6aed3c34d4f6991755432aa3c5b8f11ccaba5796118ffe64d2d912d1132ab1cd6250be76536a1640332cb0f8d5d56406683443722dd2f499973025929bf308ba

  • SSDEEP

    1536:q2bxcRngtUyosQVElr6kqmEyCB9bcqtyn/IjWuUHNNPROBDB4u/v7IVn1ksZu3J:F1UngGyoRV22kqm89bfty/znNJROxB4u

Score
10/10
xwormratspywarestealertrojan

Malware Config

Extracted

Family

xworm

C2

proxey.publicvm.com:1003

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    ShellExperience.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Xworm family
    xworm
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 2 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\ShellExperience.exe
    "C:\Users\Admin\AppData\Local\Temp\ShellExperience.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:432
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "ShellExperience" /tr "C:\ProgramData\ShellExperience.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2204
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\rjhxzk.vbs"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:1708
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /delete /tn "Player800" /f
        3⤵
          PID:5072
      • C:\Windows\System32\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\gblzsd.vbs"
        2⤵
          PID:1356
      • C:\ProgramData\ShellExperience.exe
        C:\ProgramData\ShellExperience.exe
        1⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:2040
      • C:\Windows\system32\taskmgr.exe
        "C:\Windows\system32\taskmgr.exe" /4
        1⤵
        • Checks SCSI registry key(s)
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:5100
      • C:\Windows\System32\rundll32.exe
        C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
        1⤵
          PID:4456
        • C:\ProgramData\ShellExperience.exe
          C:\ProgramData\ShellExperience.exe
          1⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:2400
        • C:\Windows\System32\Notepad.exe
          "C:\Windows\System32\Notepad.exe" C:\Users\Admin\AppData\Local\Temp\rjhxzk.vbs
          1⤵
          • Opens file in notepad (likely ransom note)
          • Suspicious use of FindShellTrayWindow
          PID:1920

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\ProgramData\ShellExperience.exe
          Filesize

          94KB

          MD5

          2bf7a8f812b079dc8319a76d67eb88fa

          SHA1

          84eb63daa0bb7c1052da5d8c2dd2b82cf2be2b64

          SHA256

          3150d0efff068e6f2963891667085ff0b7e841b2208e0bddb368c05246bb8829

          SHA512

          6aed3c34d4f6991755432aa3c5b8f11ccaba5796118ffe64d2d912d1132ab1cd6250be76536a1640332cb0f8d5d56406683443722dd2f499973025929bf308ba

          Download Submit

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\ShellExperience.exe.log
          Filesize

          654B

          MD5

          2ff39f6c7249774be85fd60a8f9a245e

          SHA1

          684ff36b31aedc1e587c8496c02722c6698c1c4e

          SHA256

          e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

          SHA512

          1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

          Download Submit

        • C:\Users\Admin\AppData\Local\Temp\gblzsd.vbs
          Filesize

          1KB

          MD5

          ad63c2b0869a09c739758118aaeadc98

          SHA1

          f4c0f144f5fbec819ef5f82aa7461b67168a13c4

          SHA256

          49667f9dfcce059e73f34bfbf9f8d0f92681c82431926442a9e6a9bc72b322bf

          SHA512

          b3fabaf1fe7b5fbb232864ec062646d02c87c9e2a0ed335baae1289eb84b416da5b57c431ca41e33a5e2d2cb8f53a5b1a455c03efdb86cddd77a34b9fa959717

          Download Submit

        • C:\Users\Admin\AppData\Local\Temp\rjhxzk.vbs
          Filesize

          672B

          MD5

          2d08400836e61b6d5e05f2e632c6e067

          SHA1

          b6f987398188ca1cfbae8feb02b8022d5bbf759a

          SHA256

          ffa7d8b4d186ec3e5f2881143e076858ff572c398d477909ab6c65d830549952

          SHA512

          2b222aca89bf32ca905d4d023a5c50061d104512e87e53b9d580191ef8a3f0efcb0e21fe7a3d82eac9dfd7a77f46c2289bccf1918aaaec63f364e5917a60692e

          Download Submit

        • memory/432-1-0x0000000000D00000-0x0000000000D1E000-memory.dmp

          Filesize

          120KB

          Download

        • memory/432-3-0x00007FF9FF9C0000-0x00007FFA00481000-memory.dmp

          Filesize

          10.8MB

          Download

        • memory/432-4-0x00007FF9FF9C3000-0x00007FF9FF9C5000-memory.dmp

          Filesize

          8KB

          Download

        • memory/432-5-0x00007FF9FF9C0000-0x00007FFA00481000-memory.dmp

          Filesize

          10.8MB

          Download

        • memory/432-0-0x00007FF9FF9C3000-0x00007FF9FF9C5000-memory.dmp

          Filesize

          8KB

          Download

        • memory/5100-19-0x000002654FAA0000-0x000002654FAA1000-memory.dmp

          Filesize

          4KB

          Download

        • memory/5100-17-0x000002654FAA0000-0x000002654FAA1000-memory.dmp

          Filesize

          4KB

          Download

        • memory/5100-25-0x000002654FAA0000-0x000002654FAA1000-memory.dmp

          Filesize

          4KB

          Download

        • memory/5100-24-0x000002654FAA0000-0x000002654FAA1000-memory.dmp

          Filesize

          4KB

          Download

        • memory/5100-23-0x000002654FAA0000-0x000002654FAA1000-memory.dmp

          Filesize

          4KB

          Download

        • memory/5100-29-0x000002654FAA0000-0x000002654FAA1000-memory.dmp

          Filesize

          4KB

          Download

        • memory/5100-28-0x000002654FAA0000-0x000002654FAA1000-memory.dmp

          Filesize

          4KB

          Download

        • memory/5100-27-0x000002654FAA0000-0x000002654FAA1000-memory.dmp

          Filesize

          4KB

          Download

        • memory/5100-26-0x000002654FAA0000-0x000002654FAA1000-memory.dmp

          Filesize

          4KB

          Download

        • memory/5100-18-0x000002654FAA0000-0x000002654FAA1000-memory.dmp

          Filesize

          4KB

          Download