Analysis
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max time kernel
97s -
max time network
99s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20250113-en -
resource tags
arch:x64arch:x86image:win10ltsc2021-20250113-enlocale:en-usos:windows10-ltsc 2021-x64system -
submitted
14-01-2025 06:21
General
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Target
screen.exe
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Size
658KB
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MD5
0e9b4f38f1c0f6a615e01bdb13a76baf
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SHA1
aff3f945c11837cfa8ba4da23057a86204e8932d
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SHA256
04789bb1e63b81997e53786d1f19a6dde477b29b54ad5bcb12aeb9bce3d0f72b
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SHA512
11cfd1987d51e641917ccdc67255606e8185c2582ce07e4cc8eef520bb8c2e48bc73e8edd9b740c72cd22c28a3486908a15e6b64e0ff97957bff5839e11e12ca
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SSDEEP
12288:+9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h4:KZ1xuVVjfFoynPaVBUR8f+kN10EB6
Malware Config
Extracted
Family
darkcomet
Botnet
Guest16
C2
sussysdfffdfff343.duckdns.org:1604
Mutex
DC_MUTEX-V4RZ15F
Attributes
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InstallPath
MSDCSC\msdcsc.exe
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gencode
2Z95GCg0bJk8
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install
true
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offline_keylogger
true
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persistence
true
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reg_key
MicroUpdate
Signatures
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Darkcomet family
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" screen.exe -
Modifies firewall policy service 3 TTPs 6 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" msdcsc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile iexplore.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" iexplore.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" iexplore.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile msdcsc.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" msdcsc.exe -
Modifies security service 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" iexplore.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" msdcsc.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" iexplore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" iexplore.exe -
Disables RegEdit via registry modification 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1581648047-808845429-2272123689-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" msdcsc.exe Set value (int) \REGISTRY\USER\S-1-5-21-1581648047-808845429-2272123689-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" iexplore.exe -
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 4124 attrib.exe 4256 attrib.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1581648047-808845429-2272123689-1000\Control Panel\International\Geo\Nation screen.exe -
Executes dropped EXE 1 IoCs
pid Process 3860 msdcsc.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" msdcsc.exe -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1581648047-808845429-2272123689-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1581648047-808845429-2272123689-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" screen.exe Set value (str) \REGISTRY\USER\S-1-5-21-1581648047-808845429-2272123689-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" msdcsc.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3860 set thread context of 732 3860 msdcsc.exe 89 -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\Panther\UnattendGC\setupact.log UserOOBEBroker.exe File opened for modification C:\Windows\Panther\UnattendGC\setuperr.log UserOOBEBroker.exe File opened for modification C:\Windows\Panther\UnattendGC\diagerr.xml UserOOBEBroker.exe File opened for modification C:\Windows\Panther\UnattendGC\diagwrn.xml UserOOBEBroker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 9 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 FileCoAuth.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language screen.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language iexplore.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName taskmgr.exe -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ screen.exe Key created \REGISTRY\USER\S-1-5-21-1581648047-808845429-2272123689-1000_Classes\Local Settings taskmgr.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 732 iexplore.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 640 screen.exe Token: SeSecurityPrivilege 640 screen.exe Token: SeTakeOwnershipPrivilege 640 screen.exe Token: SeLoadDriverPrivilege 640 screen.exe Token: SeSystemProfilePrivilege 640 screen.exe Token: SeSystemtimePrivilege 640 screen.exe Token: SeProfSingleProcessPrivilege 640 screen.exe Token: SeIncBasePriorityPrivilege 640 screen.exe Token: SeCreatePagefilePrivilege 640 screen.exe Token: SeBackupPrivilege 640 screen.exe Token: SeRestorePrivilege 640 screen.exe Token: SeShutdownPrivilege 640 screen.exe Token: SeDebugPrivilege 640 screen.exe Token: SeSystemEnvironmentPrivilege 640 screen.exe Token: SeChangeNotifyPrivilege 640 screen.exe Token: SeRemoteShutdownPrivilege 640 screen.exe Token: SeUndockPrivilege 640 screen.exe Token: SeManageVolumePrivilege 640 screen.exe Token: SeImpersonatePrivilege 640 screen.exe Token: SeCreateGlobalPrivilege 640 screen.exe Token: 33 640 screen.exe Token: 34 640 screen.exe Token: 35 640 screen.exe Token: 36 640 screen.exe Token: SeIncreaseQuotaPrivilege 3860 msdcsc.exe Token: SeSecurityPrivilege 3860 msdcsc.exe Token: SeTakeOwnershipPrivilege 3860 msdcsc.exe Token: SeLoadDriverPrivilege 3860 msdcsc.exe Token: SeSystemProfilePrivilege 3860 msdcsc.exe Token: SeSystemtimePrivilege 3860 msdcsc.exe Token: SeProfSingleProcessPrivilege 3860 msdcsc.exe Token: SeIncBasePriorityPrivilege 3860 msdcsc.exe Token: SeCreatePagefilePrivilege 3860 msdcsc.exe Token: SeBackupPrivilege 3860 msdcsc.exe Token: SeRestorePrivilege 3860 msdcsc.exe Token: SeShutdownPrivilege 3860 msdcsc.exe Token: SeDebugPrivilege 3860 msdcsc.exe Token: SeSystemEnvironmentPrivilege 3860 msdcsc.exe Token: SeChangeNotifyPrivilege 3860 msdcsc.exe Token: SeRemoteShutdownPrivilege 3860 msdcsc.exe Token: SeUndockPrivilege 3860 msdcsc.exe Token: SeManageVolumePrivilege 3860 msdcsc.exe Token: SeImpersonatePrivilege 3860 msdcsc.exe Token: SeCreateGlobalPrivilege 3860 msdcsc.exe Token: 33 3860 msdcsc.exe Token: 34 3860 msdcsc.exe Token: 35 3860 msdcsc.exe Token: 36 3860 msdcsc.exe Token: SeIncreaseQuotaPrivilege 732 iexplore.exe Token: SeSecurityPrivilege 732 iexplore.exe Token: SeTakeOwnershipPrivilege 732 iexplore.exe Token: SeLoadDriverPrivilege 732 iexplore.exe Token: SeSystemProfilePrivilege 732 iexplore.exe Token: SeSystemtimePrivilege 732 iexplore.exe Token: SeProfSingleProcessPrivilege 732 iexplore.exe Token: SeIncBasePriorityPrivilege 732 iexplore.exe Token: SeCreatePagefilePrivilege 732 iexplore.exe Token: SeBackupPrivilege 732 iexplore.exe Token: SeRestorePrivilege 732 iexplore.exe Token: SeShutdownPrivilege 732 iexplore.exe Token: SeDebugPrivilege 732 iexplore.exe Token: SeSystemEnvironmentPrivilege 732 iexplore.exe Token: SeChangeNotifyPrivilege 732 iexplore.exe Token: SeRemoteShutdownPrivilege 732 iexplore.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe -
Suspicious use of SendNotifyMessage 64 IoCs
pid Process 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe 2796 taskmgr.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 732 iexplore.exe -
Suspicious use of WriteProcessMemory 42 IoCs
description pid Process procid_target PID 640 wrote to memory of 1364 640 screen.exe 81 PID 640 wrote to memory of 1364 640 screen.exe 81 PID 640 wrote to memory of 1364 640 screen.exe 81 PID 640 wrote to memory of 872 640 screen.exe 83 PID 640 wrote to memory of 872 640 screen.exe 83 PID 640 wrote to memory of 872 640 screen.exe 83 PID 1364 wrote to memory of 4124 1364 cmd.exe 85 PID 1364 wrote to memory of 4124 1364 cmd.exe 85 PID 1364 wrote to memory of 4124 1364 cmd.exe 85 PID 872 wrote to memory of 4256 872 cmd.exe 86 PID 872 wrote to memory of 4256 872 cmd.exe 86 PID 872 wrote to memory of 4256 872 cmd.exe 86 PID 640 wrote to memory of 3860 640 screen.exe 88 PID 640 wrote to memory of 3860 640 screen.exe 88 PID 640 wrote to memory of 3860 640 screen.exe 88 PID 3860 wrote to memory of 732 3860 msdcsc.exe 89 PID 3860 wrote to memory of 732 3860 msdcsc.exe 89 PID 3860 wrote to memory of 732 3860 msdcsc.exe 89 PID 3860 wrote to memory of 732 3860 msdcsc.exe 89 PID 3860 wrote to memory of 732 3860 msdcsc.exe 89 PID 732 wrote to memory of 220 732 iexplore.exe 90 PID 732 wrote to memory of 220 732 iexplore.exe 90 PID 732 wrote to memory of 220 732 iexplore.exe 90 PID 732 wrote to memory of 220 732 iexplore.exe 90 PID 732 wrote to memory of 220 732 iexplore.exe 90 PID 732 wrote to memory of 220 732 iexplore.exe 90 PID 732 wrote to memory of 220 732 iexplore.exe 90 PID 732 wrote to memory of 220 732 iexplore.exe 90 PID 732 wrote to memory of 220 732 iexplore.exe 90 PID 732 wrote to memory of 220 732 iexplore.exe 90 PID 732 wrote to memory of 220 732 iexplore.exe 90 PID 732 wrote to memory of 220 732 iexplore.exe 90 PID 732 wrote to memory of 220 732 iexplore.exe 90 PID 732 wrote to memory of 220 732 iexplore.exe 90 PID 732 wrote to memory of 220 732 iexplore.exe 90 PID 732 wrote to memory of 220 732 iexplore.exe 90 PID 732 wrote to memory of 220 732 iexplore.exe 90 PID 732 wrote to memory of 220 732 iexplore.exe 90 PID 732 wrote to memory of 220 732 iexplore.exe 90 PID 732 wrote to memory of 220 732 iexplore.exe 90 PID 732 wrote to memory of 220 732 iexplore.exe 90 PID 732 wrote to memory of 220 732 iexplore.exe 90 -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 4124 attrib.exe 4256 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\screen.exe"C:\Users\Admin\AppData\Local\Temp\screen.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:640 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\screen.exe" +s +h2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1364 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\screen.exe" +s +h3⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:4124
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:872 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp" +s +h3⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:4256
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C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"2⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3860 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"3⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:732 -
C:\Windows\SysWOW64\notepad.exenotepad4⤵
- System Location Discovery: System Language Discovery
PID:220
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C:\Windows\System32\oobe\UserOOBEBroker.exeC:\Windows\System32\oobe\UserOOBEBroker.exe -Embedding1⤵
- Drops file in Windows directory
PID:1556
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C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exeC:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe -Embedding1⤵
- System Location Discovery: System Language Discovery
PID:4708
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /61⤵
- Checks SCSI registry key(s)
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2796
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:1132
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C:\Windows\System32\ricc72.exe"C:\Windows\System32\ricc72.exe"1⤵PID:3760
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
6Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
658KB
MD50e9b4f38f1c0f6a615e01bdb13a76baf
SHA1aff3f945c11837cfa8ba4da23057a86204e8932d
SHA25604789bb1e63b81997e53786d1f19a6dde477b29b54ad5bcb12aeb9bce3d0f72b
SHA51211cfd1987d51e641917ccdc67255606e8185c2582ce07e4cc8eef520bb8c2e48bc73e8edd9b740c72cd22c28a3486908a15e6b64e0ff97957bff5839e11e12ca