Analysis
- max time kernel
135s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20250217-en - resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system - submitted
21/02/2025, 12:55
Behavioral task
behavioral1
Sample
4b19623cab8601106e915030d52b3bec.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
4b19623cab8601106e915030d52b3bec.exe
Resource
win10v2004-20250217-en
General
- Target 4b19623cab8601106e915030d52b3bec.exe
- Size 2.7MB
- Sample250221-p5vl2asmfm
- SHA256 d945170cc27804050d9789baaf9e86fcd5c4e130ef4b38cec14e3a833a2cf6f9
- MD5 4b19623cab8601106e915030d52b3bec
- SHA1 e3de8606b091f7099ebbc5617eb45628965e3234
- SHA512 0572ba249c36c9b6b026486105f5f51dea0b79f1c60882ba235bffc1fa37d9859e8de4c8d5595176895b4bcdd6d1a5bb49f4583f1e8a7a9f21f914c8cf5f490d
- SSDEEP 49152:Ebepdsh7a9JYDid0hYI+uBTd0ewY3rlN8OZIEv2ZVINhBc82N:UepE2HYDiehJt2Y3rImI7mhU
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
- Dcrat family
- Process spawned unexpected child process 51 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 1524 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 32 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4136 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1572 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2216 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1828 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 64 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3764 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4224 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4304 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3236 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 5056 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3896 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2536 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3628 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4816 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1872 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1848 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1592 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 216 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3088 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4724 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2184 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4116 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1420 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3880 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 232 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1348 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 388 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 620 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 400 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 952 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2188 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4392 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1468 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1248 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2804 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2124 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2116 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1448 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3668 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2716 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3928 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3548 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4456 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1948 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1020 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3912 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4068 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4104 2800 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1340 2800 schtasks.exe 89 - UAC bypass 3 TTPs 6 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" fontdrvhost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" fontdrvhost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 4b19623cab8601106e915030d52b3bec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" 4b19623cab8601106e915030d52b3bec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" 4b19623cab8601106e915030d52b3bec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" fontdrvhost.exe -
resource yara_rule behavioral2/memory/4968-1-0x00000000001A0000-0x000000000045E000-memory.dmp dcrat behavioral2/files/0x0007000000023ccd-30.dat dcrat behavioral2/files/0x000800000001e455-104.dat dcrat behavioral2/files/0x000700000001e723-127.dat dcrat behavioral2/files/0x000600000001e72a-138.dat dcrat behavioral2/files/0x000400000001e72b-149.dat dcrat behavioral2/files/0x000300000001e959-202.dat dcrat - 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-1-5-21-1294999112-580688058-1763548717-1000\Control Panel\International\Geo\Nation 4b19623cab8601106e915030d52b3bec.exe - Executes dropped EXE 1 IoCs
pid Process 3168 fontdrvhost.exe - Checks whether UAC is enabled 1 TTPs 4 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 4b19623cab8601106e915030d52b3bec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 4b19623cab8601106e915030d52b3bec.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA fontdrvhost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" fontdrvhost.exe - Drops file in Program Files directory 30 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\fontdrvhost.exe 4b19623cab8601106e915030d52b3bec.exe File created C:\Program Files (x86)\Reference Assemblies\Microsoft\5b884080fd4f94 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\RCXE070.tmp 4b19623cab8601106e915030d52b3bec.exe File created C:\Program Files (x86)\Reference Assemblies\Microsoft\fontdrvhost.exe 4b19623cab8601106e915030d52b3bec.exe File created C:\Program Files\Uninstall Information\spoolsv.exe 4b19623cab8601106e915030d52b3bec.exe File created C:\Program Files\Windows Mail\5b884080fd4f94 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Program Files\Windows Mail\RCXFCC9.tmp 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Program Files\Windows Mail\RCXFCCA.tmp 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Program Files\Windows Sidebar\RCX6F4.tmp 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Program Files\Windows Sidebar\Registry.exe 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\OfficeClickToRun.exe 4b19623cab8601106e915030d52b3bec.exe File created C:\Program Files (x86)\Mozilla Maintenance Service\fontdrvhost.exe 4b19623cab8601106e915030d52b3bec.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\e6c9b481da804f 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Program Files (x86)\Reference Assemblies\Microsoft\RCXE9CE.tmp 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\RCXEBE3.tmp 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Program Files\Windows Sidebar\RCX6F3.tmp 4b19623cab8601106e915030d52b3bec.exe File created C:\Program Files (x86)\Mozilla Maintenance Service\5b884080fd4f94 4b19623cab8601106e915030d52b3bec.exe File created C:\Program Files\Uninstall Information\f3b6ecef712a24 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Program Files\Uninstall Information\RCXF831.tmp 4b19623cab8601106e915030d52b3bec.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\OfficeClickToRun.exe 4b19623cab8601106e915030d52b3bec.exe File created C:\Program Files\Windows Mail\fontdrvhost.exe 4b19623cab8601106e915030d52b3bec.exe File created C:\Program Files\Windows Sidebar\Registry.exe 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\RCXE05F.tmp 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Program Files (x86)\Reference Assemblies\Microsoft\RCXE9CF.tmp 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Program Files (x86)\Reference Assemblies\Microsoft\fontdrvhost.exe 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Program Files\Uninstall Information\spoolsv.exe 4b19623cab8601106e915030d52b3bec.exe File created C:\Program Files\Windows Sidebar\ee2ad38f3d4382 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\RCXEC61.tmp 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Program Files\Uninstall Information\RCXF832.tmp 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Program Files\Windows Mail\fontdrvhost.exe 4b19623cab8601106e915030d52b3bec.exe - Drops file in Windows directory 26 IoCs
description ioc Process File created C:\Windows\rescache\_merged\upfc.exe 4b19623cab8601106e915030d52b3bec.exe File created C:\Windows\debug\7a0fd90576e088 4b19623cab8601106e915030d52b3bec.exe File created C:\Windows\Cursors\spoolsv.exe 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Windows\SystemResources\Windows.UI.SettingsHandlers-nt\RCXE295.tmp 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Windows\ja-JP\RCXE73B.tmp 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Windows\debug\RCXF185.tmp 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Windows\debug\explorer.exe 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Windows\Cursors\spoolsv.exe 4b19623cab8601106e915030d52b3bec.exe File created C:\Windows\SystemResources\Windows.UI.SettingsHandlers-nt\fontdrvhost.exe 4b19623cab8601106e915030d52b3bec.exe File created C:\Windows\fr-FR\csrss.exe 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Windows\SystemResources\Windows.UI.SettingsHandlers-nt\RCXE294.tmp 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Windows\SystemResources\Windows.UI.SettingsHandlers-nt\fontdrvhost.exe 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Windows\Cursors\RCX1EE.tmp 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Windows\Cursors\RCX1FE.tmp 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Windows\fr-FR\csrss.exe 4b19623cab8601106e915030d52b3bec.exe File created C:\Windows\SystemResources\Windows.UI.SettingsHandlers-nt\5b884080fd4f94 4b19623cab8601106e915030d52b3bec.exe File created C:\Windows\ja-JP\cc11b995f2a76d 4b19623cab8601106e915030d52b3bec.exe File created C:\Windows\debug\explorer.exe 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Windows\fr-FR\RCX4EE.tmp 4b19623cab8601106e915030d52b3bec.exe File created C:\Windows\ja-JP\winlogon.exe 4b19623cab8601106e915030d52b3bec.exe File created C:\Windows\Cursors\f3b6ecef712a24 4b19623cab8601106e915030d52b3bec.exe File created C:\Windows\fr-FR\886983d96e3d3e 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Windows\ja-JP\RCXE7B9.tmp 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Windows\ja-JP\winlogon.exe 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Windows\debug\RCXF107.tmp 4b19623cab8601106e915030d52b3bec.exe File opened for modification C:\Windows\fr-FR\RCX470.tmp 4b19623cab8601106e915030d52b3bec.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1294999112-580688058-1763548717-1000_Classes\Local Settings 4b19623cab8601106e915030d52b3bec.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 51 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4724 schtasks.exe 1248 schtasks.exe 4456 schtasks.exe 1020 schtasks.exe 4104 schtasks.exe 3764 schtasks.exe 4816 schtasks.exe 1872 schtasks.exe 2184 schtasks.exe 232 schtasks.exe 400 schtasks.exe 1468 schtasks.exe 2804 schtasks.exe 4304 schtasks.exe 2536 schtasks.exe 1848 schtasks.exe 1592 schtasks.exe 1420 schtasks.exe 952 schtasks.exe 2188 schtasks.exe 2124 schtasks.exe 3896 schtasks.exe 5056 schtasks.exe 4116 schtasks.exe 1348 schtasks.exe 388 schtasks.exe 1448 schtasks.exe 3668 schtasks.exe 2716 schtasks.exe 3236 schtasks.exe 2116 schtasks.exe 3928 schtasks.exe 3548 schtasks.exe 3912 schtasks.exe 4068 schtasks.exe 1524 schtasks.exe 32 schtasks.exe 2216 schtasks.exe 1340 schtasks.exe 1572 schtasks.exe 4224 schtasks.exe 216 schtasks.exe 3880 schtasks.exe 620 schtasks.exe 1948 schtasks.exe 4136 schtasks.exe 1828 schtasks.exe 64 schtasks.exe 3088 schtasks.exe 4392 schtasks.exe 3628 schtasks.exe - Suspicious behavior: EnumeratesProcesses 17 IoCs
pid Process 4968 4b19623cab8601106e915030d52b3bec.exe 4968 4b19623cab8601106e915030d52b3bec.exe 4968 4b19623cab8601106e915030d52b3bec.exe 4968 4b19623cab8601106e915030d52b3bec.exe 4968 4b19623cab8601106e915030d52b3bec.exe 4968 4b19623cab8601106e915030d52b3bec.exe 4968 4b19623cab8601106e915030d52b3bec.exe 4968 4b19623cab8601106e915030d52b3bec.exe 4968 4b19623cab8601106e915030d52b3bec.exe 4968 4b19623cab8601106e915030d52b3bec.exe 4968 4b19623cab8601106e915030d52b3bec.exe 4968 4b19623cab8601106e915030d52b3bec.exe 4968 4b19623cab8601106e915030d52b3bec.exe 4968 4b19623cab8601106e915030d52b3bec.exe 4968 4b19623cab8601106e915030d52b3bec.exe 4968 4b19623cab8601106e915030d52b3bec.exe 3168 fontdrvhost.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4968 4b19623cab8601106e915030d52b3bec.exe Token: SeDebugPrivilege 3168 fontdrvhost.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4968 wrote to memory of 4668 4968 4b19623cab8601106e915030d52b3bec.exe 143 PID 4968 wrote to memory of 4668 4968 4b19623cab8601106e915030d52b3bec.exe 143 PID 4668 wrote to memory of 4028 4668 cmd.exe 145 PID 4668 wrote to memory of 4028 4668 cmd.exe 145 PID 4668 wrote to memory of 3168 4668 cmd.exe 146 PID 4668 wrote to memory of 3168 4668 cmd.exe 146 - System policy modification 1 TTPs 6 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" 4b19623cab8601106e915030d52b3bec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" fontdrvhost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" fontdrvhost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" fontdrvhost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 4b19623cab8601106e915030d52b3bec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" 4b19623cab8601106e915030d52b3bec.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\4b19623cab8601106e915030d52b3bec.exe"C:\Users\Admin\AppData\Local\Temp\4b19623cab8601106e915030d52b3bec.exe"1⤵
- UAC bypass
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4968 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\7BGbiaqdIl.bat"2⤵
- Suspicious use of WriteProcessMemory
PID:4668 -
C:\Windows\system32\w32tm.exew32tm /stripchart /computer:localhost /period:5 /dataonly /samples:23⤵PID:4028
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C:\Program Files (x86)\Mozilla Maintenance Service\fontdrvhost.exe"C:\Program Files (x86)\Mozilla Maintenance Service\fontdrvhost.exe"3⤵
- UAC bypass
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- System policy modification
PID:3168
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\fontdrvhost.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1524
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\fontdrvhost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:32
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\fontdrvhost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4136
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 10 /tr "'C:\Windows\SystemResources\Windows.UI.SettingsHandlers-nt\fontdrvhost.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1572
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Windows\SystemResources\Windows.UI.SettingsHandlers-nt\fontdrvhost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2216
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 8 /tr "'C:\Windows\SystemResources\Windows.UI.SettingsHandlers-nt\fontdrvhost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1828
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\RuntimeBroker.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:64
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\RuntimeBroker.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3764
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\RuntimeBroker.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4224
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 7 /tr "'C:\Windows\ja-JP\winlogon.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4304
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Windows\ja-JP\winlogon.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3236
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 13 /tr "'C:\Windows\ja-JP\winlogon.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5056
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\fontdrvhost.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3896
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\fontdrvhost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2536
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\fontdrvhost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3628
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\OfficeClickToRun.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4816
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\OfficeClickToRun.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1872
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\OfficeClickToRun.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1848
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "servicess" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\services.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1592
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\services.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:216
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "servicess" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\services.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3088
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "explorere" /sc MINUTE /mo 14 /tr "'C:\Windows\debug\explorer.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4724
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Windows\debug\explorer.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2184
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "explorere" /sc MINUTE /mo 5 /tr "'C:\Windows\debug\explorer.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4116
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "sihosts" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\sihost.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1420
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\sihost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3880
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "sihosts" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\sihost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:232
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "4b19623cab8601106e915030d52b3bec4" /sc MINUTE /mo 6 /tr "'C:\Users\Public\Videos\4b19623cab8601106e915030d52b3bec.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1348
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "4b19623cab8601106e915030d52b3bec" /sc ONLOGON /tr "'C:\Users\Public\Videos\4b19623cab8601106e915030d52b3bec.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:388
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "4b19623cab8601106e915030d52b3bec4" /sc MINUTE /mo 11 /tr "'C:\Users\Public\Videos\4b19623cab8601106e915030d52b3bec.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:620
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 7 /tr "'C:\Program Files\Uninstall Information\spoolsv.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:400
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files\Uninstall Information\spoolsv.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:952
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 12 /tr "'C:\Program Files\Uninstall Information\spoolsv.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2188
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 13 /tr "'C:\Users\Default User\Registry.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4392
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "Registry" /sc ONLOGON /tr "'C:\Users\Default User\Registry.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1468
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 11 /tr "'C:\Users\Default User\Registry.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1248
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 5 /tr "'C:\Program Files\Windows Mail\fontdrvhost.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2804
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files\Windows Mail\fontdrvhost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2124
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 10 /tr "'C:\Program Files\Windows Mail\fontdrvhost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2116
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\dllhost.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1448
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\dllhost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3668
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\dllhost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2716
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 6 /tr "'C:\Windows\Cursors\spoolsv.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3928
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Windows\Cursors\spoolsv.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3548
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 11 /tr "'C:\Windows\Cursors\spoolsv.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4456
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\Windows\fr-FR\csrss.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1948
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Windows\fr-FR\csrss.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1020
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "csrssc" /sc MINUTE /mo 13 /tr "'C:\Windows\fr-FR\csrss.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3912
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 10 /tr "'C:\Program Files\Windows Sidebar\Registry.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4068
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "Registry" /sc ONLOGON /tr "'C:\Program Files\Windows Sidebar\Registry.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4104
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 8 /tr "'C:\Program Files\Windows Sidebar\Registry.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1340
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
- Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\OfficeClickToRun.exe
- Size 2.7MB
- SHA256 a0b676c2a9d006be1fa11ac59bb7b5e7f68987b597c6e1990c133bcc13390471
- MD5 b9e6d22251e1bb927d874c20f0ca184d
- SHA1 746307e84d230db4d8992216a7d4d3f411114c93
- SHA512 cb8685eb7960bcd9e39bfd75c165ced56f5048c3533775f9109fed3fde54ecce953a4145cf91697fab0a034e8611f89c67c82b3b8e13a7b1fd1e9dccc07e1b71
- SSDEEP 49152:kbepdsh7a9JYDid0hYI+uBTd0ewY3rlN8OZIEv2ZVINhBc82N:0epE2HYDiehJt2Y3rImI7mhU
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files (x86)\Reference Assemblies\Microsoft\fontdrvhost.exe
- Size 2.7MB
- SHA256 d945170cc27804050d9789baaf9e86fcd5c4e130ef4b38cec14e3a833a2cf6f9
- MD5 4b19623cab8601106e915030d52b3bec
- SHA1 e3de8606b091f7099ebbc5617eb45628965e3234
- SHA512 0572ba249c36c9b6b026486105f5f51dea0b79f1c60882ba235bffc1fa37d9859e8de4c8d5595176895b4bcdd6d1a5bb49f4583f1e8a7a9f21f914c8cf5f490d
- SSDEEP 49152:Ebepdsh7a9JYDid0hYI+uBTd0ewY3rlN8OZIEv2ZVINhBc82N:UepE2HYDiehJt2Y3rImI7mhU
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\Windows Mail\RCXFCC9.tmp
- Size 2.7MB
- SHA256 89d3dbb8a1b944bf39631ab4cb62be5082e72096112189bf8a32ead0453e848a
- MD5 81eded0dcda0dd7c1a40f16752fd58b6
- SHA1 8fb51f639bd76380fdc46fdcc714180b75dac8de
- SHA512 4c9a75d2be0c91d88dc0b11e4421cdeb0515fc75682519c2ec7236c723582096f6a5fb5429b0db8b94ca33c09bb46eb02dd7b76f944bb0de4e57344134462fbe
- SSDEEP 49152:Ubepdsh7a9JYDid0hYI+uBTd0ewY3rlN8OZIEv2ZVINhBc82N:EepE2HYDiehJt2Y3rImI7mhU
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Recovery\WindowsRE\services.exe
- Size 2.7MB
- SHA256 ab4ff7236c1ad757b387194955abd915add6d241d4a8ce98f2bec7a2a736af37
- MD5 976447b88363ac650b111598cfaa42f6
- SHA1 af586d0cb3bd89a28354efcbddf36d103903eed7
- SHA512 ea7060ceb432e5bffae05b7112b2b0bcb704f12ff3667502e6bf4c79e4a31291982205ed8f8d629a695b0e7f0e5725ba201dd292d20aa2fb895cf334e9cda0cd
- SSDEEP 49152:Ubepdsh7a9JYDid0hYI+uBTd0ewY3rlN8OZIEv2ZVINhBc82N:EepE2HYDiehJt2Y3rImI7mhU
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\7BGbiaqdIl.bat
- Size 231B
- SHA256 d465c34394f0817e84969330dcf7a765620d11ea750dddc8ad20312a5467299d
- MD5 8efefe4e87c5a25e793a0c744db120aa
- SHA1 eedca7835ad7dc915f01b65087e79481014e6d9c
- SHA512 3b4b00c5f0a64f48fbd861bed509bc480d2fb1c4d6b2f5a8350db7915b206510452389abb25bf4687bdd18aa0c04633db80e8b8ec4c2d4929f7b6f730633e86e
- MD5 SHA1 SHA512
- Path C:\Windows\debug\explorer.exe
- Size 2.7MB
- SHA256 aa540550fb8dd7ed93e02696309a343716c31058032620bbf8a6c999f754a231
- MD5 923e6c02914801d04be2a81d3113df5f
- SHA1 d4033e370cb8c3c6b904d0d633d1af2ce4aeb1e8
- SHA512 a0739c48be572d254f5c24a285ac2967fc9dc18724c1f07a88609b808c7b819bbde0aca1eb70d77d3c6fb87ffe0b783bb25182a88160c8eff7fcb5afdb69ba1f
- SSDEEP 49152:Ebepdsh7a9JYDid0hYI+uBTd0ewY3rlN8OZIEv2ZVINhBc82N:UepE2HYDiehJt2Y3rImI7mhU
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\ja-JP\winlogon.exe
- Size 2.7MB
- SHA256 7ca42b4fe5be3ba67b3d84fce652e352614e72adb306eb80e93ce72381f79090
- MD5 c583ec28377fc8adc72db2b3001a29c3
- SHA1 70e828e8345f6eb53d442570fc429b25f5cd9dac
- SHA512 27e29d8fa546bf3b53c68b351b5d7b740d09b96126e887b080d43b832635d349cec9d1104e4ae725b43849ab40688e0e9c22aad591805f2a921a991d8fcfc8b6
- SSDEEP 49152:Ubepdsh7a9JYDid0hYI+uBTd0ewY3rlN8OZIEv2ZVINhBc82N:EepE2HYDiehJt2Y3rImI7mhU
- MD5 SHA1 SHA512 SSDEEP