Analysis Overview
SHA256
73f01444d5cbdbcbc706e18997fa4fc6274a55b5d3b3649afbecfce29e34c1c9
Threat Level: Known bad
The file nvidiaProfileInspector.exe was found to be: Known bad.
Malicious Activity Summary
Detect Xworm Payload
Xworm
Command and Scripting Interpreter: PowerShell
Drops startup file
Executes dropped EXE
Adds Run key to start application
Looks up external IP address via web service
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Creates scheduled task(s)
Uses Task Scheduler COM API
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-31 19:15
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-31 19:15
Reported
2024-05-31 19:16
Platform
win11-20240508-en
Max time kernel
36s
Max time network
36s
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
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 |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\%startupname%.lnk | C:\Users\Admin\AppData\Local\Temp\nvidiaProfileInspector.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WinBackup.lnk | C:\Users\Admin\AppData\Roaming\XClient.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WinBackup.lnk | C:\Users\Admin\AppData\Roaming\XClient.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\nvidiaProfileInspector.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\XClient.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinBackup = "C:\\ProgramData\\WinBackup.exe" | C:\Users\Admin\AppData\Roaming\XClient.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1140 set thread context of 4496 | N/A | C:\Users\Admin\AppData\Local\Temp\nvidiaProfileInspector.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
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-1-5-21-3001105534-2705918504-2956618779-1000_Classes\Local Settings\MuiCache | C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\XClient.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\XClient.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\XClient.exe | N/A |
| N/A | N/A | C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\nvidiaProfileInspector.exe
"C:\Users\Admin\AppData\Local\Temp\nvidiaProfileInspector.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
C:\Users\Admin\AppData\Roaming\nvidiaProfileInspector.exe
"C:\Users\Admin\AppData\Roaming\nvidiaProfileInspector.exe"
C:\Users\Admin\AppData\Roaming\XClient.exe
"C:\Users\Admin\AppData\Roaming\XClient.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\XClient.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\WinBackup.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'WinBackup.exe'
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "WinBackup" /tr "C:\ProgramData\WinBackup.exe"
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | r.bing.com | tcp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| NL | 23.62.61.97:443 | r.bing.com | tcp |
| BE | 104.68.66.114:443 | cxcs.microsoft.net | tcp |
| N/A | 127.0.0.1:7777 | tcp | |
| GB | 104.86.110.113:443 | tcp | |
| NL | 23.62.61.97:443 | r.bing.com | tcp |
| NL | 23.62.61.97:443 | r.bing.com | tcp |
| NL | 23.62.61.97:443 | r.bing.com | tcp |
| NL | 23.62.61.97:443 | r.bing.com | tcp |
| NL | 23.62.61.97:443 | r.bing.com | tcp |
| NL | 23.62.61.97:443 | r.bing.com | tcp |
| N/A | 127.0.0.1:7777 | tcp | |
| US | 20.42.65.94:443 | browser.pipe.aria.microsoft.com | tcp |
| DE | 45.145.41.147:7777 | tcp | |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
Files
memory/1140-0-0x0000000074FCE000-0x0000000074FCF000-memory.dmp
memory/1140-1-0x0000000000190000-0x000000000035A000-memory.dmp
memory/1140-2-0x0000000004DC0000-0x0000000004E5C000-memory.dmp
memory/1140-3-0x0000000005430000-0x00000000059D6000-memory.dmp
memory/1140-5-0x0000000005C00000-0x0000000005CB6000-memory.dmp
memory/4496-6-0x0000000000400000-0x000000000049E000-memory.dmp
memory/4496-9-0x0000000074FC0000-0x0000000075771000-memory.dmp
memory/4496-17-0x0000000074FC0000-0x0000000075771000-memory.dmp
C:\Users\Admin\AppData\Roaming\nvidiaProfileInspector.exe
| MD5 | ff5f39370b67a274cb58ba7e2039d2e2 |
| SHA1 | 3020bb33e563e9efe59ea22aa4588bed5f1b2897 |
| SHA256 | 1233487ea4db928ee062f12b00a6eda01445d001ab55566107234dea4dc65872 |
| SHA512 | 7decec37c80d1d5ad6296d737d5d16c4fc92353a3ae4bd083c4a7b267bb6073a53d9f6152b20f9b5e62ba6c93f76d08f813812a83ce164db4c91107d7ad5a95f |
C:\Users\Admin\AppData\Roaming\XClient.exe
| MD5 | b84bc32f97d90558013b6b14d6a1c6c1 |
| SHA1 | 8f27735b9475dd7b2c0da05aee1c05c82971d6c7 |
| SHA256 | 564e832a389323928c71e5712945f06f7ec26db13b5db2f39983d83482bf2713 |
| SHA512 | 500af9be57fe607ed65642a24017e7a1d85af8e81cdcfd3c48868ce19e88a840cf0cefc705cd9cdc6839370e6bd423ccb52b2efa5d21b70ea5d07fd0b1b457f6 |
memory/4496-33-0x0000000074FC0000-0x0000000075771000-memory.dmp
memory/4164-34-0x0000000000A40000-0x0000000000A52000-memory.dmp
memory/3968-35-0x000001347B560000-0x000001347B5EC000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_z3pkddka.fia.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/2268-41-0x000002126EF50000-0x000002126EF72000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
| MD5 | 627073ee3ca9676911bee35548eff2b8 |
| SHA1 | 4c4b68c65e2cab9864b51167d710aa29ebdcff2e |
| SHA256 | 85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c |
| SHA512 | 3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | d0a4a3b9a52b8fe3b019f6cd0ef3dad6 |
| SHA1 | fed70ce7834c3b97edbd078eccda1e5effa527cd |
| SHA256 | 21942e513f223fdad778348fbb20617dd29f986bccd87824c0ae7f15649f3f31 |
| SHA512 | 1a66f837b4e7fb6346d0500aeacb44902fb8a239bce23416271263eba46fddae58a17075e188ae43eb516c841e02c87e32ebd73256c7cc2c0713d00c35f1761b |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 050567a067ffea4eb40fe2eefebdc1ee |
| SHA1 | 6e1fb2c7a7976e0724c532449e97722787a00fec |
| SHA256 | 3952d5b543e5cb0cb84014f4ad9f5f1b7166f592d28640cbc3d914d0e6f41d2e |
| SHA512 | 341ad71ef7e850b10e229666312e4bca87a0ed9fe25ba4b0ab65661d5a0efa855db0592153106da07134d8fc2c6c0e44709bf38183c9a574a1fa543189971259 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 1189a72e42e2321edf1ed3a8d5568687 |
| SHA1 | a2142fc754d6830de107d9d46f398483156f16a6 |
| SHA256 | 009aee0a5f2d25ed79160e75cde58722def11663334ed20283e3afca32f971ea |
| SHA512 | b1eb9b7aa7a57d0acec93b8152229b1f274a8d1b8f19133513486587f39b0636a9df89ddc6c2013e001d831f2b23cd0bb0fc084131824ea8e1dff134cd6d4f29 |
C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat
| MD5 | cd56e155edf53e5728c46b6c9eb9c413 |
| SHA1 | 14b1b0f090803c9ee39797aed4af13dc7849566d |
| SHA256 | 70a6cf268c013fb4d907bedc12af3e5f802f179f0cc8353c7b8227dde840d31a |
| SHA512 | a4ada455d44a89fd2baa505aa9266b70913967b839522ef5da8d7afd31af6662c3ad96ac3e3531d82a72be7d019c9d88f1ce391c5b5fa0e4422a634c51491165 |