Analysis Overview
SHA256
9a7b24fc111f4e312535f0e3eee52ea4619c7c0f722b36be426681109e58c4ca
Threat Level: Likely malicious
The file UltraUXThemePatcher_4.4.1.exe was found to be: Likely malicious.
Malicious Activity Summary
Possible privilege escalation attempt
Modifies file permissions
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
File and Directory Permissions Modification: Windows File and Directory Permissions Modification
Checks installed software on the system
Drops file in System32 directory
Drops file in Program Files directory
Enumerates physical storage devices
Program crash
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Suspicious behavior: GetForegroundWindowSpam
Modifies data under HKEY_USERS
Checks SCSI registry key(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-06 12:36
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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Analysis: behavioral4
Detonation Overview
Submitted
2024-08-06 12:36
Reported
2024-08-06 12:39
Platform
win10v2004-20240802-en
Max time kernel
93s
Max time network
94s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4952 wrote to memory of 3388 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4952 wrote to memory of 3388 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4952 wrote to memory of 3388 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3388 -ip 3388
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3388 -s 636
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.24.18.2.in-addr.arpa | udp |
Files
Analysis: behavioral6
Detonation Overview
Submitted
2024-08-06 12:36
Reported
2024-08-06 12:39
Platform
win10v2004-20240802-en
Max time kernel
94s
Max time network
98s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\~nsu1.tmp\Un.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\~nsu1.tmp\Un.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Uninstall.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\~nsu1.tmp\Un.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 624 wrote to memory of 4544 | N/A | C:\Users\Admin\AppData\Local\Temp\Uninstall.exe | C:\Users\Admin\AppData\Local\Temp\~nsu1.tmp\Un.exe |
| PID 624 wrote to memory of 4544 | N/A | C:\Users\Admin\AppData\Local\Temp\Uninstall.exe | C:\Users\Admin\AppData\Local\Temp\~nsu1.tmp\Un.exe |
| PID 624 wrote to memory of 4544 | N/A | C:\Users\Admin\AppData\Local\Temp\Uninstall.exe | C:\Users\Admin\AppData\Local\Temp\~nsu1.tmp\Un.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
C:\Users\Admin\AppData\Local\Temp\~nsu1.tmp\Un.exe
"C:\Users\Admin\AppData\Local\Temp\~nsu1.tmp\Un.exe" _?=C:\Users\Admin\AppData\Local\Temp\
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\~nsu1.tmp\Un.exe
| MD5 | e19b462861dcd1904816596fd8f9ecc1 |
| SHA1 | 929eb85df851a7c0424af18556f3521006464167 |
| SHA256 | fac18b7c5bad926541ad231631c1f48b7963613600fcdb7af9b5a647f4b7adb0 |
| SHA512 | d60627221418bd753bd735b3cf1a6b2994666174926799e1e4fa9f44e43a82265df9ecf6a66645ba41b85f6c8e6b1adc50826e8f77a11820ae7c509aeda1d2fb |
C:\Users\Admin\AppData\Local\Temp\nsj76F7.tmp\nsDialogs.dll
| MD5 | 1d8f01a83ddd259bc339902c1d33c8f1 |
| SHA1 | 9f7806af462c94c39e2ec6cc9c7ad05c44eba04e |
| SHA256 | 4b7d17da290f41ebe244827cc295ce7e580da2f7e9f7cc3efc1abc6898e3c9ed |
| SHA512 | 28bf647374b4b500a0f3dbced70c2b256f93940e2b39160512e6e486ac31d1d90945acecef578f61b0a501f27c7106b6ffc3deab2ec3bfb3d9af24c9449a1567 |
Analysis: behavioral7
Detonation Overview
Submitted
2024-08-06 12:36
Reported
2024-08-06 12:39
Platform
win10v2004-20240802-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3528 wrote to memory of 1512 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3528 wrote to memory of 1512 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3528 wrote to memory of 1512 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1512 -ip 1512
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1512 -s 612
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
Files
Analysis: behavioral8
Detonation Overview
Submitted
2024-08-06 12:36
Reported
2024-08-06 12:39
Platform
win10v2004-20240802-en
Max time kernel
93s
Max time network
101s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3984 wrote to memory of 2988 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3984 wrote to memory of 2988 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3984 wrote to memory of 2988 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2988 -ip 2988
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2988 -s 636
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 85.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.24.18.2.in-addr.arpa | udp |
| IE | 52.111.236.23:443 | tcp | |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
Files
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-06 12:36
Reported
2024-08-06 12:37
Platform
win10v2004-20240802-en
Max time kernel
30s
Max time network
31s
Command Line
Signatures
Possible privilege escalation attempt
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\takeown.exe | N/A |
| N/A | N/A | C:\Windows\system32\takeown.exe | N/A |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
| N/A | N/A | C:\Windows\system32\takeown.exe | N/A |
| N/A | N/A | C:\Windows\system32\takeown.exe | N/A |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.1.exe | N/A |
Loads dropped DLL
Modifies file permissions
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
| N/A | N/A | C:\Windows\system32\takeown.exe | N/A |
| N/A | N/A | C:\Windows\system32\takeown.exe | N/A |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
| N/A | N/A | C:\Windows\system32\takeown.exe | N/A |
| N/A | N/A | C:\Windows\system32\takeown.exe | N/A |
Checks installed software on the system
File and Directory Permissions Modification: Windows File and Directory Permissions Modification
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\System32\themeui.dll.new | C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.1.exe | N/A |
| File opened for modification | C:\Windows\system32\themeui.dll.new | C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.1.exe | N/A |
| File opened for modification | C:\Windows\system32\themeui.dll.old | C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.1.exe | N/A |
| File created | C:\Windows\System32\themeui.dll.backup | C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.1.exe | N/A |
| File opened for modification | C:\Windows\System32\themeui.dll.backup | C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.1.exe | N/A |
| File created | C:\Windows\System32\uxinit.dll.backup | C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.1.exe | N/A |
| File created | C:\Windows\System32\uxinit.dll.new | C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.1.exe | N/A |
| File opened for modification | C:\Windows\system32\uxinit.dll.new | C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.1.exe | N/A |
| File opened for modification | C:\Windows\system32\uxinit.dll.old | C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.1.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\UltraUXThemePatcher\Uninstall.exe | C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.1.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.1.exe | N/A |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters | C:\Windows\system32\vssvc.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters | C:\Windows\system32\vssvc.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr | C:\Windows\system32\vssvc.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 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 | C:\Windows\system32\vssvc.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\system32\vssvc.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 | C:\Windows\system32\LogonUI.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History | C:\Windows\system32\LogonUI.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM | C:\Windows\system32\LogonUI.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "242" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" | C:\Windows\system32\LogonUI.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.1.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeAuditPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\takeown.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\takeown.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\srtasks.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\srtasks.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Windows\system32\srtasks.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\srtasks.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\srtasks.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\srtasks.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Windows\system32\srtasks.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\srtasks.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.1.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\LogonUI.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Processes
C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.1.exe
"C:\Users\Admin\AppData\Local\Temp\UltraUXThemePatcher_4.4.1.exe"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\system32\srtasks.exe
C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
C:\Windows\system32\takeown.exe
"C:\Windows\system32\takeown.exe" /f "C:\Windows\system32\themeui.dll"
C:\Windows\system32\icacls.exe
"C:\Windows\system32\icacls.exe" "C:\Windows\system32\themeui.dll" /grant Admin:F
C:\Windows\system32\takeown.exe
"C:\Windows\system32\takeown.exe" /f "C:\Windows\system32\themeui.dll"
C:\Windows\system32\takeown.exe
"C:\Windows\system32\takeown.exe" /f "C:\Windows\system32\uxinit.dll"
C:\Windows\system32\icacls.exe
"C:\Windows\system32\icacls.exe" "C:\Windows\system32\uxinit.dll" /grant Admin:F
C:\Windows\system32\takeown.exe
"C:\Windows\system32\takeown.exe" /f "C:\Windows\system32\uxinit.dll"
C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39b8055 /state1:0x41c64e6d
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 246.192.101.95.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp | |
| US | 52.165.165.26:443 | tcp | |
| N/A | 104.208.16.90:443 | tcp | |
| US | 8.8.8.8:53 | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nslBC8B.tmp\System.dll
| MD5 | 4add245d4ba34b04f213409bfe504c07 |
| SHA1 | ef756d6581d70e87d58cc4982e3f4d18e0ea5b09 |
| SHA256 | 9111099efe9d5c9b391dc132b2faf0a3851a760d4106d5368e30ac744eb42706 |
| SHA512 | 1bd260cabe5ea3cefbbc675162f30092ab157893510f45a1b571489e03ebb2903c55f64f89812754d3fe03c8f10012b8078d1261a7e73ac1f87c82f714bce03d |
C:\Users\Admin\AppData\Local\Temp\nslBC8B.tmp\nsisFile.dll
| MD5 | b7d0d765c151d235165823b48554e442 |
| SHA1 | fe530e6c6fd60392d4ce611b21ec9daad3f1bc84 |
| SHA256 | a820a32e5ce89e3e336afc71aa1bf42a357ec542c2bc6e50c6255c1333812587 |
| SHA512 | 5d801c24dfa1b7326f72f9c0acf3a330ef0cc3fce25ceee200bb12eab8c2b653025602e610e0cecda1e7cbd851ce1b66252531220b557a378ddb0b4a1741fa66 |
C:\Users\Admin\AppData\Local\Temp\nslBC8B.tmp\nsDialogs.dll
| MD5 | 1d8f01a83ddd259bc339902c1d33c8f1 |
| SHA1 | 9f7806af462c94c39e2ec6cc9c7ad05c44eba04e |
| SHA256 | 4b7d17da290f41ebe244827cc295ce7e580da2f7e9f7cc3efc1abc6898e3c9ed |
| SHA512 | 28bf647374b4b500a0f3dbced70c2b256f93940e2b39160512e6e486ac31d1d90945acecef578f61b0a501f27c7106b6ffc3deab2ec3bfb3d9af24c9449a1567 |
C:\Users\Admin\AppData\Local\Temp\nslBC8B.tmp\SysRestore.dll
| MD5 | 4310bd09fc2300b106f0437b6e995330 |
| SHA1 | c6790a68e410d4a619b9b59e7540b702a98ad661 |
| SHA256 | c686b4df9b4db50fc1ddb7be4cd50d4b1d75894288f4dc50571b79937d7c0d7e |
| SHA512 | 49e286ccd285871db74867810c9cf243e3c1522ce7b4c0d1d01bafe72552692234cf4b4d787b900e9c041b8a2c12f193b36a6a35c64ffd5deef0e1be9958b1f7 |
C:\Windows\System32\themeui.dll.new
| MD5 | bc377febaa39552cd323cf2d46805e91 |
| SHA1 | c812c62292c62f518a9feca5c0366b22c04aa9c3 |
| SHA256 | 0970d5aaab9247f5b6c63534cb29ff6e1b2b99ba0e4d96bc69eae895e67237c3 |
| SHA512 | 5c5adb024d051eea9d16dc6411a1445359e5d219c3776fddefc51ea098a2d3c9db4dee22db382976e6911ec159a09bebe4f6249b36a77891d69a490cd0a8eed7 |
C:\Windows\System32\uxinit.dll.new
| MD5 | 1249ecbaa8441b5f2425ca165b18bff3 |
| SHA1 | 388fb66c58dedbd29e0b300406e7d20b2c7e8f6c |
| SHA256 | 79bfb188b481a28bfa4fced64dc45eaa7fab7b0c5f435e85b02025ae6910377a |
| SHA512 | 8b75fa4df32fad47f249fa581b5a969cdf78df84bfe9e95f8bdcfbbe00a38da4c3711d797028a1f63d8cccf6cdbc40594c26aadf0ba419782b2991a474ba5c4c |
C:\Users\Admin\AppData\Local\Temp\nslBC8B.tmp\modern-wizard.bmp
| MD5 | 5f728e4e6b970db76c64be8ca3cafc87 |
| SHA1 | b7481efd9f6938903214451d792a8b13a645c922 |
| SHA256 | aea40659bdb08337064640ea8b4f171881d37456b37b3e2899349ac04f0889c5 |
| SHA512 | 2cc4e870290f8faddc8eca1a03a1efb34711b3951e263a79f259fd998a9a1f957dbf58c110c5fe64febd414ec7a22e125353f9d5c363866bd0d4298452fdadc8 |
Analysis: behavioral3
Detonation Overview
Submitted
2024-08-06 12:36
Reported
2024-08-06 12:39
Platform
win10v2004-20240802-en
Max time kernel
94s
Max time network
150s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 532 wrote to memory of 4696 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 532 wrote to memory of 4696 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 532 wrote to memory of 4696 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4696 -ip 4696
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4696 -s 612
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
Files
Analysis: behavioral5
Detonation Overview
Submitted
2024-08-06 12:36
Reported
2024-08-06 12:39
Platform
win10v2004-20240802-en
Max time kernel
125s
Max time network
126s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1092 wrote to memory of 4744 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1092 wrote to memory of 4744 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1092 wrote to memory of 4744 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisFile.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisFile.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4744 -ip 4744
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4744 -s 600
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4400,i,3239535018877284530,3457823197501312703,262144 --variations-seed-version --mojo-platform-channel-handle=4420 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.53.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.24.18.2.in-addr.arpa | udp |
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-06 12:36
Reported
2024-08-06 12:39
Platform
win10v2004-20240802-en
Max time kernel
91s
Max time network
139s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3164 wrote to memory of 2512 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3164 wrote to memory of 2512 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3164 wrote to memory of 2512 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SysRestore.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SysRestore.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2512 -ip 2512
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2512 -s 600
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 52.111.227.14:443 | tcp | |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |