Analysis
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max time kernel
145s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-11-2024 02:50
Static task
static1
Behavioral task
behavioral1
Sample
8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe
Resource
win10v2004-20241007-en
General
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Target
8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe
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Size
1.6MB
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MD5
477db3de46b7779b63495a8bdb279f2c
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SHA1
77dc3f7d83728294c49298db82dd0e668adc3a73
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SHA256
8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366
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SHA512
4ac940fa7ce3c8a2a646639a5b00c5c8a1dcafcfba460782068446a321455cf5af10e1e6ae4e6753150beab7d2431a7c38192787b32c4e508b73f4b3ac843956
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SSDEEP
24576:/KEYWAa5pLMzdFGZWWs5cRtb6kMgmrmtXVdaNjTXf3qtzdzkkJj6:/p1JAz5cjb6k4cFdaNjTXfa/
Malware Config
Signatures
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Dcrat family
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Modifies WinLogon for persistence 2 TTPs 6 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\SystemResources\\Windows.SystemToast.Calling\\Images\\winlogon.exe\"" 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\SystemResources\\Windows.SystemToast.Calling\\Images\\winlogon.exe\", \"C:\\Program Files (x86)\\Windows NT\\dllhost.exe\"" 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\SystemResources\\Windows.SystemToast.Calling\\Images\\winlogon.exe\", \"C:\\Program Files (x86)\\Windows NT\\dllhost.exe\", \"C:\\Program Files\\Common Files\\Services\\Idle.exe\"" 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\SystemResources\\Windows.SystemToast.Calling\\Images\\winlogon.exe\", \"C:\\Program Files (x86)\\Windows NT\\dllhost.exe\", \"C:\\Program Files\\Common Files\\Services\\Idle.exe\", \"C:\\Windows\\Tasks\\TextInputHost.exe\"" 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\SystemResources\\Windows.SystemToast.Calling\\Images\\winlogon.exe\", \"C:\\Program Files (x86)\\Windows NT\\dllhost.exe\", \"C:\\Program Files\\Common Files\\Services\\Idle.exe\", \"C:\\Windows\\Tasks\\TextInputHost.exe\", \"C:\\Recovery\\WindowsRE\\backgroundTaskHost.exe\"" 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\SystemResources\\Windows.SystemToast.Calling\\Images\\winlogon.exe\", \"C:\\Program Files (x86)\\Windows NT\\dllhost.exe\", \"C:\\Program Files\\Common Files\\Services\\Idle.exe\", \"C:\\Windows\\Tasks\\TextInputHost.exe\", \"C:\\Recovery\\WindowsRE\\backgroundTaskHost.exe\", \"C:\\Users\\Admin\\AppData\\Local\\Temp\\8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe\"" 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe -
Process spawned unexpected child process 18 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 3432 1196 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4484 1196 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 760 1196 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2760 1196 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1860 1196 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1324 1196 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1724 1196 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3968 1196 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4656 1196 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1964 1196 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1816 1196 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2552 1196 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2604 1196 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3492 1196 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4980 1196 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2336 1196 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 368 1196 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 224 1196 schtasks.exe 88 -
Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 3836 powershell.exe 448 powershell.exe 4248 powershell.exe 2732 powershell.exe 2744 powershell.exe 1848 powershell.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe -
Executes dropped EXE 1 IoCs
pid Process 1556 dllhost.exe -
Adds Run key to start application 2 TTPs 12 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe\"" 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe\"" 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winlogon = "\"C:\\Windows\\SystemResources\\Windows.SystemToast.Calling\\Images\\winlogon.exe\"" 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe Set value (str) \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Program Files (x86)\\Windows NT\\dllhost.exe\"" 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe Set value (str) \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Idle = "\"C:\\Program Files\\Common Files\\Services\\Idle.exe\"" 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Idle = "\"C:\\Program Files\\Common Files\\Services\\Idle.exe\"" 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe Set value (str) \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\backgroundTaskHost = "\"C:\\Recovery\\WindowsRE\\backgroundTaskHost.exe\"" 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe Set value (str) \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winlogon = "\"C:\\Windows\\SystemResources\\Windows.SystemToast.Calling\\Images\\winlogon.exe\"" 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Program Files (x86)\\Windows NT\\dllhost.exe\"" 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe Set value (str) \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TextInputHost = "\"C:\\Windows\\Tasks\\TextInputHost.exe\"" 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TextInputHost = "\"C:\\Windows\\Tasks\\TextInputHost.exe\"" 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\backgroundTaskHost = "\"C:\\Recovery\\WindowsRE\\backgroundTaskHost.exe\"" 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created \??\c:\Windows\System32\CSCFB3C7EAE3EF4B32852ABE71D3757598.TMP csc.exe File created \??\c:\Windows\System32\enb1sa.exe csc.exe -
Drops file in Program Files directory 4 IoCs
description ioc Process File created C:\Program Files\Common Files\Services\Idle.exe 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe File created C:\Program Files\Common Files\Services\6ccacd8608530f 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe File created C:\Program Files (x86)\Windows NT\dllhost.exe 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe File created C:\Program Files (x86)\Windows NT\5940a34987c991 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\SystemResources\Windows.SystemToast.Calling\Images\cc11b995f2a76d 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe File created C:\Windows\Tasks\TextInputHost.exe 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe File created C:\Windows\Tasks\22eafd247d37c3 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe File created C:\Windows\SystemResources\Windows.SystemToast.Calling\Images\winlogon.exe 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 3024 PING.EXE -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3024 PING.EXE -
Scheduled Task/Job: Scheduled Task 1 TTPs 18 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2604 schtasks.exe 368 schtasks.exe 4656 schtasks.exe 1964 schtasks.exe 1816 schtasks.exe 224 schtasks.exe 1324 schtasks.exe 3968 schtasks.exe 2552 schtasks.exe 3492 schtasks.exe 3432 schtasks.exe 1724 schtasks.exe 2760 schtasks.exe 1860 schtasks.exe 4980 schtasks.exe 2336 schtasks.exe 4484 schtasks.exe 760 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 3836 powershell.exe 2744 powershell.exe 2732 powershell.exe 4248 powershell.exe 4248 powershell.exe 448 powershell.exe 448 powershell.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1556 dllhost.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeDebugPrivilege 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe Token: SeDebugPrivilege 3836 powershell.exe Token: SeDebugPrivilege 2744 powershell.exe Token: SeDebugPrivilege 2732 powershell.exe Token: SeDebugPrivilege 4248 powershell.exe Token: SeDebugPrivilege 448 powershell.exe Token: SeDebugPrivilege 1848 powershell.exe Token: SeDebugPrivilege 1556 dllhost.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 4196 wrote to memory of 3980 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 92 PID 4196 wrote to memory of 3980 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 92 PID 3980 wrote to memory of 5004 3980 csc.exe 94 PID 3980 wrote to memory of 5004 3980 csc.exe 94 PID 4196 wrote to memory of 1848 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 110 PID 4196 wrote to memory of 1848 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 110 PID 4196 wrote to memory of 2744 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 111 PID 4196 wrote to memory of 2744 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 111 PID 4196 wrote to memory of 3836 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 112 PID 4196 wrote to memory of 3836 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 112 PID 4196 wrote to memory of 2732 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 113 PID 4196 wrote to memory of 2732 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 113 PID 4196 wrote to memory of 4248 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 114 PID 4196 wrote to memory of 4248 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 114 PID 4196 wrote to memory of 448 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 115 PID 4196 wrote to memory of 448 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 115 PID 4196 wrote to memory of 2140 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 122 PID 4196 wrote to memory of 2140 4196 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe 122 PID 2140 wrote to memory of 5108 2140 cmd.exe 124 PID 2140 wrote to memory of 5108 2140 cmd.exe 124 PID 2140 wrote to memory of 3024 2140 cmd.exe 125 PID 2140 wrote to memory of 3024 2140 cmd.exe 125 PID 2140 wrote to memory of 1556 2140 cmd.exe 132 PID 2140 wrote to memory of 1556 2140 cmd.exe 132 -
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\8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe"C:\Users\Admin\AppData\Local\Temp\8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- 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:4196 -
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\siz220s0\siz220s0.cmdline"2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3980 -
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESC7F3.tmp" "c:\Windows\System32\CSCFB3C7EAE3EF4B32852ABE71D3757598.TMP"3⤵PID:5004
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows\SystemResources\Windows.SystemToast.Calling\Images\winlogon.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of AdjustPrivilegeToken
PID:1848
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files (x86)\Windows NT\dllhost.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2744
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files\Common Files\Services\Idle.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3836
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows\Tasks\TextInputHost.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2732
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Recovery\WindowsRE\backgroundTaskHost.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4248
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:448
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\INVnlFnyXp.bat"2⤵
- Suspicious use of WriteProcessMemory
PID:2140 -
C:\Windows\system32\chcp.comchcp 650013⤵PID:5108
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C:\Windows\system32\PING.EXEping -n 10 localhost3⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:3024
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C:\Program Files (x86)\Windows NT\dllhost.exe"C:\Program Files (x86)\Windows NT\dllhost.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1556
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 12 /tr "'C:\Windows\SystemResources\Windows.SystemToast.Calling\Images\winlogon.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3432
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Windows\SystemResources\Windows.SystemToast.Calling\Images\winlogon.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4484
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 9 /tr "'C:\Windows\SystemResources\Windows.SystemToast.Calling\Images\winlogon.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:760
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Windows NT\dllhost.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2760
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\dllhost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1860
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows NT\dllhost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1324
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "IdleI" /sc MINUTE /mo 10 /tr "'C:\Program Files\Common Files\Services\Idle.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1724
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Program Files\Common Files\Services\Idle.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3968
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "IdleI" /sc MINUTE /mo 7 /tr "'C:\Program Files\Common Files\Services\Idle.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4656
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 9 /tr "'C:\Windows\Tasks\TextInputHost.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1964
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "TextInputHost" /sc ONLOGON /tr "'C:\Windows\Tasks\TextInputHost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1816
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 12 /tr "'C:\Windows\Tasks\TextInputHost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2552
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\backgroundTaskHost.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2604
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\backgroundTaskHost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3492
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\backgroundTaskHost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4980
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e563668" /sc MINUTE /mo 12 /tr "'C:\Users\Admin\AppData\Local\Temp\8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2336
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366" /sc ONLOGON /tr "'C:\Users\Admin\AppData\Local\Temp\8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:368
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e563668" /sc MINUTE /mo 9 /tr "'C:\Users\Admin\AppData\Local\Temp\8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:224
Network
MITRE ATT&CK Enterprise v15
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
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
944B
MD562623d22bd9e037191765d5083ce16a3
SHA14a07da6872672f715a4780513d95ed8ddeefd259
SHA25695d79fd575bbd21540e378fcbc1cd00d16f51af62ce15bae7080bb72c24e2010
SHA5129a448b7a0d867466c2ea04ab84d2a9485d5fd20ab53b2b854f491831ee3f1d781b94d2635f7b0b35cb9f2d373cd52c67570879a56a42ed66bc9db06962ed4992
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Filesize
944B
MD577d622bb1a5b250869a3238b9bc1402b
SHA1d47f4003c2554b9dfc4c16f22460b331886b191b
SHA256f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
SHA512d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9
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Filesize
944B
MD52e907f77659a6601fcc408274894da2e
SHA19f5b72abef1cd7145bf37547cdb1b9254b4efe9d
SHA256385da35673330e21ac02545220552fe301fe54dedefbdafc097ac4342a295233
SHA51234fa0fff24f6550f55f828541aaefe5d75c86f8f0842d54b50065e9746f9662bb7209c74c9a9571540b9855bb3851f01db613190024e89b198d485bb5dc07721
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Filesize
944B
MD52d6d8fcd02f8f29b7487a8f96e4d4119
SHA13f2f674997ace9fff0eb09c2fd0ca1763451cccc
SHA2561d45ec846d0342f53c333a90d9cfb8cd7444bf9ed77eb7a3669ba491a4882dc9
SHA51209d52edc3ecc4dc879e147f6c02f3446dd04c5aa0ceca8eb5d8e481a35152b13dffec25dae0f036137535b418ec2e3ab284996dd05426011a8e2e6c5a2a655ea
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Filesize
173B
MD54a6472f6f4f393d9c9c055a11be5cfa9
SHA1482fb4c9e9b8c6bad54274ef8bca77afd7560685
SHA256f954eab37cfbf59c6ff56a301ed119c6a71b34429fccc561339ae966431202fd
SHA512e57400381e2d8361aeee1d0267b49cf716d533e1a3c4d78dd9e076c1f6e1a842ca4490891a8d14bd5f834af4297c44b7dc0ec7c9d6a9a54e4c726eaefa100ef5
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Filesize
1KB
MD58221c27c6d606cbc9bcc9b3af26d50c2
SHA1afe56fa139f1b3ee8d7edbbba80d6dd5beb127f0
SHA2560bed8d0df7b44bdac9c38ac1891194732f51f1109652558465d120331a7b7aaf
SHA5127b31e5d3a913170adf368986f980bafe58b8ccd5fe19e2e416543b3835b702c67fbe45b367acec6dab369fc41d9d54148b6d6125d08de8ee9b221abdaa318c7e
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1.6MB
MD5477db3de46b7779b63495a8bdb279f2c
SHA177dc3f7d83728294c49298db82dd0e668adc3a73
SHA2568b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366
SHA5124ac940fa7ce3c8a2a646639a5b00c5c8a1dcafcfba460782068446a321455cf5af10e1e6ae4e6753150beab7d2431a7c38192787b32c4e508b73f4b3ac843956
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Filesize
406B
MD596e5540dc77460565742b8983f29d53c
SHA175dee3d3919f9b0ec5fe6242414a609c47643b2f
SHA256bb119d21d437f13d8a152935ec08c5d349cab2d63c5e87e03eef108fb3e3ace8
SHA5125b810a33fc526ce41338aedd91a9a9611a9734ed635ebedc08f756b91fa9df627efa15272b4832523f3dd07ebb3261491e4a45c94993e57ad097ac7049cc4274
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Filesize
235B
MD531e752c9e5daa44507397798d63b539a
SHA13e10b522b48d53984f5b470237cba5191d023507
SHA256a0c51d05d162fb11d77744d4dc21dce2159df8ac25e50671a4aa8ad6b1befa03
SHA5127a86b2525d383d7cb350affcffebbdc5e75839b76f5889c9aa6cec031332e5011fb05766c851d4cc1a5e3f8411bbf590f2fbd739a553d7ce0c02c8c406028ef1
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Filesize
1KB
MD55984679060d0fc54eba47cead995f65a
SHA1f72bbbba060ac80ac6abedc7b8679e8963f63ebf
SHA2564104fdf5499f0aa7dd161568257acae002620ec385f2ede2072d4f550ecff433
SHA512bc8aadfabe5dbb4e3ea5e07a5ccbddd363400005675acda3e9cb414dc75fb0ba74f41b4a6baf34d42f85a9ae0af7d2418420c78b0c643f7243fe93a49b8140b5