Analysis
- user interaction
yes - max time kernel
1049s - max time network
1047s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
18/07/2026, 00:07
Behavioral task
behavioral1
Sample
DCRatBuild.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
DCRatBuild.exe
Resource
win11-20260513-en
General
- Target DCRatBuild.exe
- Size 3.0MB
- Sample260718-aej1aady2y
- SHA256 9e8670e7ae7b4176972f239e0ae129f4d4d1ec9f74bfd8c1e5829db34eaa7998
- MD5 6313d83667d80833faef41a8cd004fe4
- SHA1 856eb5de94823305837c3c7c9c563fbcddc4f25e
- SHA512 8b39f19ea7521dd698cfe56cd2f78ccd596a774c3314f20680c87a906e8fbb59c5739bd2a52ee7379ee44b92b7c8bada9f483cfc36e111910c2244811de4d0f8
- SSDEEP 49152:ubA3jcYWPh3V0cH0kRHPcEsz/gw3inptdNuW9xLWiYkIX+RPKYwwMz8:ubtTV8APRg/byptdPWcIORPZwX8
- TLSH T103E5D0017E41CA11F4190633C2EF865447B5AD116AE2F72BBABD336D95223937C1EACB
- 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.
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resource yara_rule behavioral2/files/0x001a00000002b478-10.dat dcrat behavioral2/memory/2664-12-0x0000000000500000-0x00000000007C6000-memory.dmp dcrat - Process spawned unexpected child process 27 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 3628 1360 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 5052 1360 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2144 1360 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1692 1360 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3120 1360 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2352 1360 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2080 1360 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4784 1360 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4104 1360 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3876 1360 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3808 1360 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2784 1360 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3728 1360 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3904 1360 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 660 1360 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1616 1360 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2936 1360 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4940 1360 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 716 1360 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1408 1360 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2004 1360 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2416 1360 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1380 1360 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 5088 1360 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4968 1360 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4832 1360 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4324 1360 schtasks.exe 84 - Downloads MZ/PE file 5 IoCs
flow pid Process 15 5004 spoolsv.exe 15 5004 spoolsv.exe 15 5004 spoolsv.exe 25 5004 spoolsv.exe 11 5004 spoolsv.exe - Executes dropped EXE 29 IoCs
pid Process 2664 Runtimenet.exe 5004 spoolsv.exe 3960 dwm.exe 3896 services.exe 3176 sihost.exe 4964 WUDFHost.exe 788 RuntimeBroker.exe 5036 csrss.exe 4452 SearchHost.exe 908 Idle.exe 1452 Idle.exe 4016 csrss.exe 3084 services.exe 3788 RuntimeBroker.exe 3640 Idle.exe 2144 sihost.exe 1696 spoolsv.exe 3296 dwm.exe 1556 SearchHost.exe 5072 csrss.exe 652 services.exe 1048 WUDFHost.exe 4604 RuntimeBroker.exe 3184 csrss.exe 4492 Idle.exe 3252 sihost.exe 1460 spoolsv.exe 2744 services.exe 1144 dwm.exe - Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 1 ipinfo.io 5 ipinfo.io - Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
pid Process 5060 WScript.exe - SmartAssembly .NET packer 3 IoCs
Detects SmartAssembly .NET packer.
resource yara_rule behavioral2/memory/5004-86-0x000000001C820000-0x000000001C830000-memory.dmp SmartAssembly behavioral2/memory/5004-87-0x0000000000E10000-0x0000000000E20000-memory.dmp SmartAssembly behavioral2/memory/5004-89-0x0000000000EE0000-0x0000000000EF6000-memory.dmp SmartAssembly - Drops file in Program Files directory 8 IoCs
description ioc Process File created C:\Program Files (x86)\Mozilla Maintenance Service\logs\RuntimeBroker.exe Runtimenet.exe File created C:\Program Files (x86)\Mozilla Maintenance Service\logs\9e8d7a4ca61bd9 Runtimenet.exe File created C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\it\sihost.exe Runtimenet.exe File created C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\it\66fc9ff0ee96c2 Runtimenet.exe File created C:\Program Files (x86)\Windows Photo Viewer\en-US\services.exe Runtimenet.exe File created C:\Program Files (x86)\Windows Photo Viewer\en-US\c5b4cb5e9653cc Runtimenet.exe File created C:\Program Files\7-Zip\Idle.exe Runtimenet.exe File created C:\Program Files\7-Zip\6ccacd8608530f Runtimenet.exe - Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\Migration\WTR\886983d96e3d3e Runtimenet.exe File created C:\Windows\security\database\dwm.exe Runtimenet.exe File created C:\Windows\security\database\6cb0b6c459d5d3 Runtimenet.exe File created C:\Windows\Migration\WTR\csrss.exe Runtimenet.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 2268 cmd.exe 4892 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 3 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 DCRatBuild.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1636999435-3883760687-346127294-1000_Classes\Local Settings DCRatBuild.exe Key created \REGISTRY\USER\S-1-5-21-1636999435-3883760687-346127294-1000_Classes\Local Settings Runtimenet.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 27 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3728 schtasks.exe 2144 schtasks.exe 1692 schtasks.exe 4104 schtasks.exe 1408 schtasks.exe 4832 schtasks.exe 5052 schtasks.exe 2080 schtasks.exe 2784 schtasks.exe 3904 schtasks.exe 2004 schtasks.exe 1380 schtasks.exe 4968 schtasks.exe 3628 schtasks.exe 3120 schtasks.exe 2352 schtasks.exe 4784 schtasks.exe 3808 schtasks.exe 2936 schtasks.exe 2416 schtasks.exe 4324 schtasks.exe 3876 schtasks.exe 660 schtasks.exe 1616 schtasks.exe 4940 schtasks.exe 716 schtasks.exe 5088 schtasks.exe - Suspicious behavior: EnumeratesProcesses 47 IoCs
pid Process 2664 Runtimenet.exe 2664 Runtimenet.exe 2664 Runtimenet.exe 2664 Runtimenet.exe 2664 Runtimenet.exe 2664 Runtimenet.exe 2664 Runtimenet.exe 2664 Runtimenet.exe 2664 Runtimenet.exe 2664 Runtimenet.exe 2664 Runtimenet.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe 5004 spoolsv.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 5004 spoolsv.exe - Suspicious use of AdjustPrivilegeToken 29 IoCs
description pid Process Token: SeDebugPrivilege 2664 Runtimenet.exe Token: SeDebugPrivilege 5004 spoolsv.exe Token: SeDebugPrivilege 3960 dwm.exe Token: SeDebugPrivilege 3896 services.exe Token: SeDebugPrivilege 3176 sihost.exe Token: SeDebugPrivilege 4964 WUDFHost.exe Token: SeDebugPrivilege 788 RuntimeBroker.exe Token: SeDebugPrivilege 5036 csrss.exe Token: SeDebugPrivilege 908 Idle.exe Token: SeDebugPrivilege 4452 SearchHost.exe Token: SeDebugPrivilege 1452 Idle.exe Token: SeDebugPrivilege 4016 csrss.exe Token: SeDebugPrivilege 3084 services.exe Token: SeDebugPrivilege 3788 RuntimeBroker.exe Token: SeDebugPrivilege 3640 Idle.exe Token: SeDebugPrivilege 2144 sihost.exe Token: SeDebugPrivilege 1696 spoolsv.exe Token: SeDebugPrivilege 3296 dwm.exe Token: SeDebugPrivilege 1556 SearchHost.exe Token: SeDebugPrivilege 5072 csrss.exe Token: SeDebugPrivilege 652 services.exe Token: SeDebugPrivilege 1048 WUDFHost.exe Token: SeDebugPrivilege 4604 RuntimeBroker.exe Token: SeDebugPrivilege 3184 csrss.exe Token: SeDebugPrivilege 4492 Idle.exe Token: SeDebugPrivilege 3252 sihost.exe Token: SeDebugPrivilege 1460 spoolsv.exe Token: SeDebugPrivilege 2744 services.exe Token: SeDebugPrivilege 1144 dwm.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5004 spoolsv.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2988 wrote to memory of 5060 2988 DCRatBuild.exe 80 PID 5060 wrote to memory of 2268 5060 WScript.exe 81 PID 2268 wrote to memory of 2664 2268 cmd.exe 83 PID 2664 wrote to memory of 4892 2664 Runtimenet.exe 121 PID 4892 wrote to memory of 1020 4892 cmd.exe 129 PID 4892 wrote to memory of 1452 4892 cmd.exe 133 - 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\DCRatBuild.exe"C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe"1⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2988 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\blockproviderreviewmonitorDhcp\atwNWfeFsvj59KZ9zZpl3zn6p93Gp.vbe"2⤵
- Executes a VBScript file via the Windows Script Host.
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5060 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\blockproviderreviewmonitorDhcp\gXog2M0Qs2293nN7yDhJRZkUaV.bat" "3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2268 -
C:\blockproviderreviewmonitorDhcp\Runtimenet.exe"C:\blockproviderreviewmonitorDhcp\Runtimenet.exe"4⤵
- Executes dropped EXE
- 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
PID:2664 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\8G1VufFvru.bat"5⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4892 -
C:\Windows\system32\w32tm.exew32tm /stripchart /computer:localhost /period:5 /dataonly /samples:26⤵PID:1020
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C:\Program Files\7-Zip\Idle.exe"C:\Program Files\7-Zip\Idle.exe"6⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1452
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 13 /tr "'C:\blockproviderreviewmonitorDhcp\spoolsv.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3628
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\blockproviderreviewmonitorDhcp\spoolsv.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5052
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 9 /tr "'C:\blockproviderreviewmonitorDhcp\spoolsv.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2144
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "servicess" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Windows Photo Viewer\en-US\services.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1692
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Photo Viewer\en-US\services.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3120
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "servicess" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows Photo Viewer\en-US\services.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2352
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "IdleI" /sc MINUTE /mo 8 /tr "'C:\Program Files\7-Zip\Idle.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2080
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Program Files\7-Zip\Idle.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4784
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "IdleI" /sc MINUTE /mo 8 /tr "'C:\Program Files\7-Zip\Idle.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4104
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "WUDFHostW" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\WUDFHost.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3876
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "WUDFHost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\WUDFHost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3808
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "WUDFHostW" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\WUDFHost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2784
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "dwmd" /sc MINUTE /mo 14 /tr "'C:\Windows\security\database\dwm.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3728
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Windows\security\database\dwm.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3904
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "dwmd" /sc MINUTE /mo 9 /tr "'C:\Windows\security\database\dwm.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:660
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "SearchHostS" /sc MINUTE /mo 5 /tr "'C:\Users\Admin\Application Data\SearchHost.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1616
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "SearchHost" /sc ONLOGON /tr "'C:\Users\Admin\Application Data\SearchHost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2936
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "SearchHostS" /sc MINUTE /mo 10 /tr "'C:\Users\Admin\Application Data\SearchHost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4940
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\RuntimeBroker.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:716
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\RuntimeBroker.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1408
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\RuntimeBroker.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2004
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Windows\Migration\WTR\csrss.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2416
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Windows\Migration\WTR\csrss.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1380
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Windows\Migration\WTR\csrss.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5088
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "sihosts" /sc MINUTE /mo 14 /tr "'C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\it\sihost.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4968
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\it\sihost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4832
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "sihosts" /sc MINUTE /mo 9 /tr "'C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\it\sihost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4324
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C:\blockproviderreviewmonitorDhcp\spoolsv.exe"C:\blockproviderreviewmonitorDhcp\spoolsv.exe"1⤵
- Downloads MZ/PE file
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:5004
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C:\Windows\security\database\dwm.exe"C:\Windows\security\database\dwm.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3960
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C:\Program Files (x86)\Windows Photo Viewer\en-US\services.exe"C:\Program Files (x86)\Windows Photo Viewer\en-US\services.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3896
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C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\it\sihost.exe"C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\it\sihost.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3176
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C:\Recovery\WindowsRE\WUDFHost.exe"C:\Recovery\WindowsRE\WUDFHost.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4964
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C:\Program Files (x86)\Mozilla Maintenance Service\logs\RuntimeBroker.exe"C:\Program Files (x86)\Mozilla Maintenance Service\logs\RuntimeBroker.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:788
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C:\Windows\Migration\WTR\csrss.exe"C:\Windows\Migration\WTR\csrss.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5036
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C:\Users\Admin\Application Data\SearchHost.exe"C:\Users\Admin\Application Data\SearchHost.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4452
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C:\Program Files\7-Zip\Idle.exe"C:\Program Files\7-Zip\Idle.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:908
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵PID:4344
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C:\Windows\Migration\WTR\csrss.exeC:\Windows\Migration\WTR\csrss.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4016
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C:\Program Files (x86)\Windows Photo Viewer\en-US\services.exe"C:\Program Files (x86)\Windows Photo Viewer\en-US\services.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3084
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C:\Program Files (x86)\Mozilla Maintenance Service\logs\RuntimeBroker.exe"C:\Program Files (x86)\Mozilla Maintenance Service\logs\RuntimeBroker.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3788
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C:\Program Files\7-Zip\Idle.exe"C:\Program Files\7-Zip\Idle.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3640
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C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\it\sihost.exe"C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\it\sihost.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2144
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C:\blockproviderreviewmonitorDhcp\spoolsv.exeC:\blockproviderreviewmonitorDhcp\spoolsv.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1696
-
C:\Windows\security\database\dwm.exeC:\Windows\security\database\dwm.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3296
-
C:\Users\Admin\Application Data\SearchHost.exe"C:\Users\Admin\Application Data\SearchHost.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1556
-
C:\Windows\Migration\WTR\csrss.exeC:\Windows\Migration\WTR\csrss.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5072
-
C:\Program Files (x86)\Windows Photo Viewer\en-US\services.exe"C:\Program Files (x86)\Windows Photo Viewer\en-US\services.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:652
-
C:\Recovery\WindowsRE\WUDFHost.exeC:\Recovery\WindowsRE\WUDFHost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1048
-
C:\Program Files (x86)\Mozilla Maintenance Service\logs\RuntimeBroker.exe"C:\Program Files (x86)\Mozilla Maintenance Service\logs\RuntimeBroker.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4604
-
C:\Windows\Migration\WTR\csrss.exeC:\Windows\Migration\WTR\csrss.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3184
-
C:\Program Files\7-Zip\Idle.exe"C:\Program Files\7-Zip\Idle.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4492
-
C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\it\sihost.exe"C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\it\sihost.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3252
-
C:\blockproviderreviewmonitorDhcp\spoolsv.exeC:\blockproviderreviewmonitorDhcp\spoolsv.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1460
-
C:\Program Files (x86)\Windows Photo Viewer\en-US\services.exe"C:\Program Files (x86)\Windows Photo Viewer\en-US\services.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2744
-
C:\Windows\security\database\dwm.exeC:\Windows\security\database\dwm.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1144
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\RuntimeBroker.exe.log
- Size 1KB
- SHA256 5d8af3c7519874ed42a0d74ee559ae30d9cc6930aef213079347e2b47092c210
- MD5 b4e91d2e5f40d5e2586a86cf3bb4df24
- SHA1 31920b3a41aa4400d4a0230a7622848789b38672
- SHA512 968751b79a98961f145de48d425ea820fd1875bae79a725adf35fc8f4706c103ee0c7babd4838166d8a0dda9fbce3728c0265a04c4b37f335ec4eaa110a2b319
- TLSH T1BF219A722372B1D489163F83085D568827FF8329B550ED0CB999724EED2B01B5B223F7
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\8G1VufFvru.bat
- Size 196B
- SHA256 5a925c8b1906658c1641c1577157367e144cb0d5da89efe788ccc506c75d0166
- MD5 31eee88bcf1cf6b33576569a34c89aaf
- SHA1 50663ed778af34f386a344b1f58b42d8f3cf74bb
- SHA512 4ac6c3c35ca86498b6989e9ab4847e0f8b8137a0e10b0ed2c72aecd00db0938de3b93b663e81c49f359f0cd7e958df1b1a7be4b09d425d269dcc533c8880c85c
- TLSH T194D0C003C800CB442CC308A34A45208D9053FC5C7EC426701BD95AA83FCB87A755F7C2
- MD5 SHA1 SHA512 TLSH
- Path C:\blockproviderreviewmonitorDhcp\Runtimenet.exe
- Size 2.7MB
- SHA256 ad5a8f0a70678395eee394dbe48b2508784e06f37e7a980f4bd61599d180360d
- MD5 22ce9b4f200c32eeb293116301e97307
- SHA1 7c68c908dddecfa9ad6b4096f81127d46f1ca0d3
- SHA512 9096db3768884e61e94c29c0787ab81ccc629635e03e5fcb83b5c319c7be488bd5acb37d2d61281cdc1c8c2e22b3365589f7183760f80ae36614d76086146c73
- SSDEEP 49152:KYWPh3V0cH0kRHPcEsz/gw3inptdNuW9xLWiYkIX+RPKYwwMz:KTV8APRg/byptdPWcIORPZwX
- TLSH T19FD5DF017E46CA01F4191633C2EF855847B1A9516AE6F32BBDBE336D95223973C0E9CB
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\blockproviderreviewmonitorDhcp\atwNWfeFsvj59KZ9zZpl3zn6p93Gp.vbe
- Size 233B
- SHA256 f3fa9d393c38f2beaf123ecbbbbab25f58f46273f56ff84905d17c3809397424
- MD5 1b7530eef354dbf0a713c53716fbc1ce
- SHA1 fd187a0f00cd1fa60c239dd0e06ec939d2736209
- SHA512 3de111b54382d8ab145d37411866c64c30d35c62099dd4f87c22bf6690528cd22c52625a0831ec85b274ad86f690cd9fb9367a5bc398a0e09703ae1377828ef7
- TLSH T1D1D097188327F598DD164CEB8291CC3E1DB0BE95C6908BC00CFCD90A84000AA302E386
- MD5 SHA1 SHA512 TLSH
- Path C:\blockproviderreviewmonitorDhcp\gXog2M0Qs2293nN7yDhJRZkUaV.bat
- Size 50B
- SHA256 544b931856d56ca2c9004d6903152392b0e97ae3f229a2b18e8f70306d646280
- MD5 883f6aaa95e603691ef09888f309c254
- SHA1 db3103c649a06dc529f46567029734d7b2270f6f
- SHA512 5695b65f114934773254adac604e1c4428ba8f8ce76169fe44f99bf2f16b097688df9d730a4743541c9b861a6470b719e20068b59aa439be9e9c74da87d614be
- TLSH T17C900413D55D3051350534757CD1D5CFC30D7404551005C4D007D174541F537754D753
- MD5 SHA1 SHA512 TLSH