Analysis
- max time kernel
130s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
31/05/2026, 14:19
Static task
static1
Behavioral task
behavioral1
Sample
xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe
Resource
win11-20260513-en
General
- Target xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe
- Size 2.0MB
- Sample260531-rm4hbsct2n
- SHA256 bbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e
- MD5 a49aee60ad5bea06b10122dcb0b8613f
- SHA1 259177c3de63882181692b50657b16b4967be43c
- SHA512 cd4a3a2dae28981f4cd2103b75c6658b390d1b64dfbdcbc6102f9d80bdcbfe56c59bc601eb9e5f1a6d791f6edc1d7fe3dc6d433e7e4c86058d2fc617bac6bb45
- SSDEEP 49152:ukQTA+YS/v6h3+1uhZcT2NnvOyLXXjFpNXCym/hXmL9W6EppQpQ:ua+5CbhZcT2lvnDFpFW/twU7+Q
- TLSH T1B2A5337470D1C1B2E5A6103584CACB32A636B062877EC1CB7A9D77F56F603F1623A6C6
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Family: DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
- Modifies WinLogon for persistence 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\Microsoft Office 15\\ClientX64\\StartMenuExperienceHost.exe\", \"C:\\Program Files (x86)\\Windows Sidebar\\Shared Gadgets\\explorer.exe\", \"C:\\Windows\\Sun\\Java\\sihost.exe\"" xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\Microsoft Office 15\\ClientX64\\StartMenuExperienceHost.exe\", \"C:\\Program Files (x86)\\Windows Sidebar\\Shared Gadgets\\explorer.exe\", \"C:\\Windows\\Sun\\Java\\sihost.exe\", \"C:\\Recovery\\WindowsRE\\taskhostw.exe\"" xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\Microsoft Office 15\\ClientX64\\StartMenuExperienceHost.exe\"" xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\Microsoft Office 15\\ClientX64\\StartMenuExperienceHost.exe\", \"C:\\Program Files (x86)\\Windows Sidebar\\Shared Gadgets\\explorer.exe\"" xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe - Process spawned unexpected child process 12 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4764 5452 schtasks.exe 80 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 5852 5452 schtasks.exe 80 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2708 5452 schtasks.exe 80 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 6128 5452 schtasks.exe 80 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 6136 5452 schtasks.exe 80 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4396 5452 schtasks.exe 80 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2076 5452 schtasks.exe 80 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 5692 5452 schtasks.exe 80 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4400 5452 schtasks.exe 80 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2624 5452 schtasks.exe 80 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 6012 5452 schtasks.exe 80 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3208 5452 schtasks.exe 80 - UAC bypass 3 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe - Command and Scripting Interpreter: PowerShell 1 TTPs 5 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 3592 powershell.exe 5292 powershell.exe 5116 powershell.exe 1656 powershell.exe 3016 powershell.exe - Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System32\drivers\etc\hosts xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe - Executes dropped EXE 5 IoCs
pid Process 2044 explorer.exe 5136 taskhostw.exe 5820 StartMenuExperienceHost.exe 2668 sihost.exe 6744 StartMenuExperienceHost.exe - Adds Run key to start application 2 TTPs 8 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-226940941-599731907-2645636698-1000\Software\Microsoft\Windows\CurrentVersion\Run\sihost = "\"C:\\Windows\\Sun\\Java\\sihost.exe\"" xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\sihost = "\"C:\\Windows\\Sun\\Java\\sihost.exe\"" xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe Set value (str) \REGISTRY\USER\S-1-5-21-226940941-599731907-2645636698-1000\Software\Microsoft\Windows\CurrentVersion\Run\taskhostw = "\"C:\\Recovery\\WindowsRE\\taskhostw.exe\"" xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\taskhostw = "\"C:\\Recovery\\WindowsRE\\taskhostw.exe\"" xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe Set value (str) \REGISTRY\USER\S-1-5-21-226940941-599731907-2645636698-1000\Software\Microsoft\Windows\CurrentVersion\Run\StartMenuExperienceHost = "\"C:\\Program Files\\Microsoft Office 15\\ClientX64\\StartMenuExperienceHost.exe\"" xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\StartMenuExperienceHost = "\"C:\\Program Files\\Microsoft Office 15\\ClientX64\\StartMenuExperienceHost.exe\"" xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe Set value (str) \REGISTRY\USER\S-1-5-21-226940941-599731907-2645636698-1000\Software\Microsoft\Windows\CurrentVersion\Run\explorer = "\"C:\\Program Files (x86)\\Windows Sidebar\\Shared Gadgets\\explorer.exe\"" xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\explorer = "\"C:\\Program Files (x86)\\Windows Sidebar\\Shared Gadgets\\explorer.exe\"" xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe - Checks whether UAC is enabled 1 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe - SmartAssembly .NET packer 7 IoCs
Detects SmartAssembly .NET packer.
resource yara_rule behavioral2/memory/588-5232-0x0000000006270000-0x0000000006280000-memory.dmp SmartAssembly behavioral2/memory/588-5239-0x00000000069B0000-0x00000000069BA000-memory.dmp SmartAssembly behavioral2/memory/588-5246-0x00000000081A0000-0x00000000081AC000-memory.dmp SmartAssembly behavioral2/memory/588-5247-0x00000000081C0000-0x00000000081CC000-memory.dmp SmartAssembly behavioral2/memory/588-5249-0x00000000081F0000-0x00000000081FC000-memory.dmp SmartAssembly behavioral2/memory/588-5255-0x0000000008600000-0x000000000860A000-memory.dmp SmartAssembly behavioral2/memory/588-5251-0x00000000084C0000-0x00000000084CA000-memory.dmp SmartAssembly - Drops file in Program Files directory 10 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\StartMenuExperienceHost.exe xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe File created C:\Program Files\Microsoft Office 15\ClientX64\55b276f4edf653 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe File created C:\Program Files (x86)\Windows Sidebar\Shared Gadgets\explorer.exe xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\RCX7E45.tmp xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\RCX7E46.tmp xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Shared Gadgets\RCX8099.tmp xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Shared Gadgets\RCX80AA.tmp xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Shared Gadgets\explorer.exe xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe File created C:\Program Files\Microsoft Office 15\ClientX64\StartMenuExperienceHost.exe xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe File created C:\Program Files (x86)\Windows Sidebar\Shared Gadgets\7a0fd90576e088 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe - Drops file in Windows directory 5 IoCs
description ioc Process File created C:\Windows\Sun\Java\sihost.exe xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe File created C:\Windows\Sun\Java\66fc9ff0ee96c2 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe File opened for modification C:\Windows\Sun\Java\RCX83B8.tmp xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe File opened for modification C:\Windows\Sun\Java\RCX83C8.tmp xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe File opened for modification C:\Windows\Sun\Java\sihost.exe xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 11 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language StartMenuExperienceHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskhostw.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sihost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language StartMenuExperienceHost.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 12 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5852 schtasks.exe 2708 schtasks.exe 6136 schtasks.exe 4396 schtasks.exe 2076 schtasks.exe 5692 schtasks.exe 4400 schtasks.exe 6128 schtasks.exe 2624 schtasks.exe 6012 schtasks.exe 3208 schtasks.exe 4764 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 5116 powershell.exe 5116 powershell.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 1656 powershell.exe 1656 powershell.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 5292 powershell.exe 5292 powershell.exe 3592 powershell.exe 3592 powershell.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 3016 powershell.exe 3016 powershell.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 5116 powershell.exe 5116 powershell.exe 3592 powershell.exe 3592 powershell.exe 1656 powershell.exe - Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeDebugPrivilege 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe Token: SeDebugPrivilege 2044 explorer.exe Token: SeDebugPrivilege 5136 taskhostw.exe Token: SeDebugPrivilege 5820 StartMenuExperienceHost.exe Token: SeDebugPrivilege 2668 sihost.exe Token: SeDebugPrivilege 5116 powershell.exe Token: SeDebugPrivilege 1656 powershell.exe Token: SeDebugPrivilege 3016 powershell.exe Token: SeDebugPrivilege 5292 powershell.exe Token: SeDebugPrivilege 3592 powershell.exe Token: SeDebugPrivilege 6744 StartMenuExperienceHost.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 588 wrote to memory of 3016 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 105 PID 588 wrote to memory of 1656 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 106 PID 588 wrote to memory of 5116 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 107 PID 588 wrote to memory of 5292 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 108 PID 588 wrote to memory of 3592 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 109 PID 588 wrote to memory of 6744 588 xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe 115 - System policy modification 1 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe - 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
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C:\Users\Admin\AppData\Local\Temp\xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe"C:\Users\Admin\AppData\Local\Temp\xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe"1⤵
- Modifies WinLogon for persistence
- UAC bypass
- Drops file in Drivers directory
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:588 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\xbbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3016
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files\Microsoft Office 15\ClientX64\StartMenuExperienceHost.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1656
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files (x86)\Windows Sidebar\Shared Gadgets\explorer.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5116
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows\Sun\Java\sihost.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5292
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Recovery\WindowsRE\taskhostw.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3592
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C:\Program Files\Microsoft Office 15\ClientX64\StartMenuExperienceHost.exe"C:\Program Files\Microsoft Office 15\ClientX64\StartMenuExperienceHost.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:6744
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 8 /tr "'C:\Program Files\Microsoft Office 15\ClientX64\StartMenuExperienceHost.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4764
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Program Files\Microsoft Office 15\ClientX64\StartMenuExperienceHost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2708
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 7 /tr "'C:\Program Files\Microsoft Office 15\ClientX64\StartMenuExperienceHost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5852
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "explorere" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Windows Sidebar\Shared Gadgets\explorer.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:6128
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Sidebar\Shared Gadgets\explorer.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:6136
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "explorere" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows Sidebar\Shared Gadgets\explorer.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4396
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "sihosts" /sc MINUTE /mo 5 /tr "'C:\Windows\Sun\Java\sihost.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2076
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Windows\Sun\Java\sihost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5692
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "sihosts" /sc MINUTE /mo 6 /tr "'C:\Windows\Sun\Java\sihost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4400
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\taskhostw.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2624
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "taskhostw" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\taskhostw.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:6012
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\taskhostw.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3208
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C:\Program Files (x86)\Windows Sidebar\Shared Gadgets\explorer.exe"C:\Program Files (x86)\Windows Sidebar\Shared Gadgets\explorer.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2044 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\bbf2a6dc-075c-48c4-bc43-48c1bc527276.vbs"2⤵PID:1972
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\58ebd6d0-efcb-45ad-a1b3-7ad42229dbc4.vbs"2⤵PID:7036
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C:\Recovery\WindowsRE\taskhostw.exe"C:\Recovery\WindowsRE\taskhostw.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5136
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C:\Program Files\Microsoft Office 15\ClientX64\StartMenuExperienceHost.exe"C:\Program Files\Microsoft Office 15\ClientX64\StartMenuExperienceHost.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5820
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C:\Windows\Sun\Java\sihost.exe"C:\Windows\Sun\Java\sihost.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2668
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
4Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files (x86)\Windows Sidebar\Shared Gadgets\explorer.exe
- Size 2.0MB
- SHA256 bbe24f9a2e5b7e135711572ff9b0d2bb7c4fd156a1d87ee819da8af441c7325e
- MD5 a49aee60ad5bea06b10122dcb0b8613f
- SHA1 259177c3de63882181692b50657b16b4967be43c
- SHA512 cd4a3a2dae28981f4cd2103b75c6658b390d1b64dfbdcbc6102f9d80bdcbfe56c59bc601eb9e5f1a6d791f6edc1d7fe3dc6d433e7e4c86058d2fc617bac6bb45
- SSDEEP 49152:ukQTA+YS/v6h3+1uhZcT2NnvOyLXXjFpNXCym/hXmL9W6EppQpQ:ua+5CbhZcT2lvnDFpFW/twU7+Q
- TLSH T1B2A5337470D1C1B2E5A6103584CACB32A636B062877EC1CB7A9D77F56F603F1623A6C6
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
- Size 2KB
- SHA256 e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
- MD5 ac4917a885cf6050b1a483e4bc4d2ea5
- SHA1 b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
- SHA512 092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
- TLSH T10B415C303161A5D84D435B1205286ED5E3EF478AAFAC8F5CB569231DCD2A44BD7121F3
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 18KB
- SHA256 5c8209ee516c45597b7e5ebb1ce48d282ad11ed7bf2bcd881147b2eb9e3a01b3
- MD5 b1b694ee0c193c3b2ee88f07442aa549
- SHA1 39a6088c1493f37c9d465a251c4b82a5966c0dae
- SHA512 bfd8335379c20004768e0cbbc914dd44805ee686ab3da2ee2f7f0dc48f168cfb3df1068a0c8beb78f6fc23a5ea37779870b728470c735c161399cbf290088157
- SSDEEP 384:STHhY1SS1gZKFlewPFRHEqHnnNzjs2xtgmNrm253M9Joj0iFpX:hSSqClew9RVNzj7xtgurm2M9Joj0M
- TLSH T1D292C4AE711F22C3C89553B8E107050FE8F2DE8D431953D8B72E9E7B89AC95E813D558
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 18KB
- SHA256 e70be802e5cb54efe082fa0a77e7ed6c5c271e13291c77d329b845bf44e7c485
- MD5 9d63e893dfc052f0480d95db0e2eef43
- SHA1 46d1dd445eea625403974215ba69762c7544ad3d
- SHA512 7615465dd74f337d976b1e55be3124dadae46049a999f000c3626a38f2fa1e0b3902456c05f05724709ded96132aa0a91c938e22201e0e043997ca305328359f
- SSDEEP 384:EL3HhsSS1U72vK60gFRHEMETcHnnNjjs2xtguNrC25PB9Jsu0iFpX:qySSCkK6TRPE0Njj7xtg2rCeB9Jsu0M
- TLSH T10592C5AE611F22C3C89553B8E107050FE8F2DE8D431913D9BB2E9E7B8AAC54E517D548
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 18KB
- SHA256 0857278c72bc71cff5bc924063b68060293255645b91d69a63ddc669888850cc
- MD5 49f5a18a953ef0df6e4cba1e2e8bb6f3
- SHA1 cdee2e47fef43718e7092a395ea1cbe5c108cf91
- SHA512 eb05e3c0efaeae89759ae96147806821649d076d23b0b99c2e9e766a9c646b13aae66f4979884d6fa49e4c6ee08da2d08cd49541e963a8f58f27282e2f5addec
- SSDEEP 384:HL3HhY1SS1UetSH6QGSEk77HnnNejs2xtgyNry2L9d9JAu0iFFX:rWSSCO36nNej7xtgCryed9JAu0Y
- TLSH T18D92C4AE711F22C3C89553B8E106050FE8F2DE8D431A13D8BB2A9F7B89AC55E913D558
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 18KB
- SHA256 19151f83188f7af231b5b63ed9e0f3b4735154c25432a852ee7702bbf11803b0
- MD5 dded0fa5e6ea7c113f6c84e184907c27
- SHA1 e412ea6140ebfc87561b60fea10cffb5d18ce558
- SHA512 8594bdbbd4b56211da14a0eea6fb43aaa78f23aed11bd14137d2ecc0ce101b78c52aff58380b823d224686400a15d577a9cd57c087d265a538d37910a14322d6
- SSDEEP 384:EL3HhY1SS1Ss70522d6vMEKH6LiEnNRjs2xtguNrC2L9B9Jsu0iFpX:qWSSr08W5EawRj7xtg2rCeB9Jsu0M
- TLSH T1FA92C5AE711F22C3C89563B8E107010FE8F2DE8D431A12D9B72A9F7B89AC55E513D658
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\58ebd6d0-efcb-45ad-a1b3-7ad42229dbc4.vbs
- Size 518B
- SHA256 5900ec4b0f35c3df276d44db960679a126edfda624796ed4f6e5d2945ca6e614
- MD5 06387725f4b663eb7a67bb00d02e2d46
- SHA1 4a9efb4f14c77eaa9485751287af03a288c89328
- SHA512 68141a2496f84e40774d68ccf7e0224867709f44075667f5f4c4378cdbb2eec7ecf6aa39e17a92a512c402d250c57f7354a9c5f9dbf9c496b1ab65551e000a6a
- TLSH T184F0591DAF06C774D802034323F658CF8AAC984D3275D1596A49DC9E719063049EE1CE
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\RCX7C41.tmp
- Size 2.0MB
- SHA256 32583cdfa30ba88e95dd1869a068382734e246442ff1fd204e1081b256430bad
- MD5 0e15124a9347dffa9b807dace0e61121
- SHA1 b924e70032030ce4bc76b87b9004cad479d6e5f6
- SHA512 b3411d43dbbfb35855c5a92a4ebfc58fa7d3619df309b7411b31cf398d78736cefe1cbee50bc821043414fade4e503fdd5c6c4dea54ba48ae0fc03b77b0fda28
- SSDEEP 1536:MxxKY+T6KW5CvEyXWvE344wAL5LO8XvdPTwZI3sq5gnToIfnIOlIOjcTp5XfCg:MnDKW1LgppLRHMY0TBfJvjcTp5XfCg
- TLSH T154A56B2175C1C1B3C4B7113044E6CA799A7A3071077A96D7B7DD2BBA6E213E1A3362CE
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vvchpfzx.brj.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\bbf2a6dc-075c-48c4-bc43-48c1bc527276.vbs
- Size 742B
- SHA256 75cdd0d08310429f1da43359f854dfff07cfad4966b1ff8e14e89321f20c2284
- MD5 bf4c65de328d1f740997fd46b445aca5
- SHA1 89a00f9b02c1a6d9236e52427644beb2d5cd66a5
- SHA512 ef813876be4b154d0a2e31e1be54a6a85e5de08b989c5abfe4e4eba16ac9dadf84228b9d89c8c681506aea3668faf8ece50b9f47e6a46191fb8149348d01e7ee
- TLSH T131011006BE0BE67060A13340E1F645BB6ED8845C3136BC57BD60E46C2745E3004EC4EE
- MD5 SHA1 SHA512 TLSH