Analysis

  • max time kernel
    145s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    02/04/2024, 14:26

General

  • Target

    68WAntiLagApp_protected.exe

  • Size

    203KB

  • MD5

    9e814f107ec4f396add666fd5ff724cf

  • SHA1

    2fe31b58361f63f172031431bce91630a4d31b36

  • SHA256

    5f6d2b2e54fd3058a6c664c5b9763e59ffb8f9b4de5db74611f7b93178a065af

  • SHA512

    d1473359577a8c07c834ee31e95d52c749cc53200fd0df8a4e88a81cc5b19b6cc0c04c0664f3261acd10ed3346b55fdc1a45793ec36684f3b10649c26d863fd3

  • SSDEEP

    3072:p8PfBGaeVMhi5ys3UGVmaxpbJnzIs0+M2njqhYUSWw8jXbt1MJBTswdT+WLo2/J:p8n/hiws3hsaxpb8+VnQ7XbS

Malware Config

Extracted

Family

xworm

C2

region-vip.gl.at.ply.gg:52733

Attributes
  • Install_directory

    %AppData%

  • install_file

    explorer.exe

  • telegram

    https://api.telegram.org/bot6976323003:AAGzNfsdTYlBPbGEbbSm--c7mAZ9PZzt9Xw/sendMessage?chat_id=5476035148

Signatures

  • Detect Xworm Payload 6 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 31 IoCs
  • Suspicious use of SendNotifyMessage 31 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\68WAntiLagApp_protected.exe
    "C:\Users\Admin\AppData\Local\Temp\68WAntiLagApp_protected.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2316
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Remove -ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'explorer';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'explorer' -Value '"C:\Users\Admin\AppData\Roaming\explorer\explorer.exe.exe"' -PropertyType 'String'
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2216
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /C schtasks /create /tn \explorer /tr "C:\Users\Admin\AppData\Roaming\explorer\explorer.exe.exe" /st 00:00 /du 9999:59 /sc once /ri 60 /rl HIGHEST /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2740
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn \explorer /tr "C:\Users\Admin\AppData\Roaming\explorer\explorer.exe.exe" /st 00:00 /du 9999:59 /sc once /ri 60 /rl HIGHEST /f
        3⤵
        • Creates scheduled task(s)
        PID:940
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      #cmd
      2⤵
      • Drops startup file
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3032
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "explorer" /tr "C:\Users\Admin\AppData\Roaming\explorer.exe"
        3⤵
        • Creates scheduled task(s)
        PID:2760
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {73A08273-ECBF-483B-A8B8-F1EBED3A1075} S-1-5-21-3627615824-4061627003-3019543961-1000:SCFGBRBT\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1896
    • C:\Users\Admin\AppData\Roaming\explorer.exe
      C:\Users\Admin\AppData\Roaming\explorer.exe
      2⤵
      • Executes dropped EXE
      PID:2328
    • C:\Users\Admin\AppData\Roaming\explorer.exe
      C:\Users\Admin\AppData\Roaming\explorer.exe
      2⤵
      • Executes dropped EXE
      PID:2912
    • C:\Users\Admin\AppData\Roaming\explorer.exe
      C:\Users\Admin\AppData\Roaming\explorer.exe
      2⤵
      • Executes dropped EXE
      PID:1496
  • C:\Windows\system32\mspaint.exe
    "C:\Windows\system32\mspaint.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    PID:1664
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1716

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \Users\Admin\AppData\Roaming\explorer.exe

          Filesize

          63KB

          MD5

          b58b926c3574d28d5b7fdd2ca3ec30d5

          SHA1

          d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

          SHA256

          6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

          SHA512

          b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

        • memory/1496-47-0x0000000074830000-0x0000000074F1E000-memory.dmp

          Filesize

          6.9MB

        • memory/1496-45-0x0000000000C60000-0x0000000000C72000-memory.dmp

          Filesize

          72KB

        • memory/1496-46-0x0000000074830000-0x0000000074F1E000-memory.dmp

          Filesize

          6.9MB

        • memory/1664-38-0x00000000021D0000-0x00000000021D1000-memory.dmp

          Filesize

          4KB

        • memory/1664-36-0x00000000021D0000-0x00000000021D1000-memory.dmp

          Filesize

          4KB

        • memory/1664-35-0x000007FEF7480000-0x000007FEF74CC000-memory.dmp

          Filesize

          304KB

        • memory/1716-43-0x0000000140000000-0x00000001405E8000-memory.dmp

          Filesize

          5.9MB

        • memory/1716-42-0x0000000140000000-0x00000001405E8000-memory.dmp

          Filesize

          5.9MB

        • memory/2216-22-0x0000000002AE0000-0x0000000002B20000-memory.dmp

          Filesize

          256KB

        • memory/2216-19-0x0000000073630000-0x0000000073BDB000-memory.dmp

          Filesize

          5.7MB

        • memory/2216-21-0x0000000002AE0000-0x0000000002B20000-memory.dmp

          Filesize

          256KB

        • memory/2216-23-0x0000000002AE0000-0x0000000002B20000-memory.dmp

          Filesize

          256KB

        • memory/2216-20-0x0000000073630000-0x0000000073BDB000-memory.dmp

          Filesize

          5.7MB

        • memory/2216-24-0x0000000073630000-0x0000000073BDB000-memory.dmp

          Filesize

          5.7MB

        • memory/2316-13-0x0000000074990000-0x000000007507E000-memory.dmp

          Filesize

          6.9MB

        • memory/2316-0-0x0000000000F90000-0x0000000000FCA000-memory.dmp

          Filesize

          232KB

        • memory/2316-1-0x0000000074990000-0x000000007507E000-memory.dmp

          Filesize

          6.9MB

        • memory/2328-34-0x0000000074830000-0x0000000074F1E000-memory.dmp

          Filesize

          6.9MB

        • memory/2328-33-0x0000000074830000-0x0000000074F1E000-memory.dmp

          Filesize

          6.9MB

        • memory/2328-32-0x0000000001270000-0x0000000001282000-memory.dmp

          Filesize

          72KB

        • memory/2912-40-0x0000000000150000-0x0000000000162000-memory.dmp

          Filesize

          72KB

        • memory/2912-41-0x0000000074830000-0x0000000074F1E000-memory.dmp

          Filesize

          6.9MB

        • memory/3032-18-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/3032-11-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/3032-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/3032-8-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/3032-7-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/3032-5-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/3032-3-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/3032-14-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB