Analysis
- max time kernel
135s - max time network
104s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
26/05/2024, 17:11
Behavioral task
behavioral1
Sample
170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe
Resource
win10v2004-20240508-en
General
- Target 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe
- Size 2.0MB
- Sample240526-vqb42aed82
- SHA256 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72
- MD5 c7896f2fb48758469fb32a4d48beb2e4
- SHA1 7afd3cd18b112b652a8fb1caff6318ee2733933c
- SHA512 32180a11022af678fb98b300ab6a588b54dc4cc3e2d308d55049b0b8ff99d84a05aae191b046c6916540e97ed4fc6b1513b8af3564aae6192347782197c9f33d
- SSDEEP 24576:0n2XTCHM4xT9V3XzsHhVmatCELYIXVelAtgbHHd:iaTUv0jmtEttc
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- DcRat 30 IoCs
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
pid Process 1920 schtasks.exe 996 schtasks.exe 4372 schtasks.exe 1164 schtasks.exe 2868 schtasks.exe 4868 schtasks.exe 1476 schtasks.exe 5036 schtasks.exe 3712 schtasks.exe 3536 schtasks.exe 608 schtasks.exe 3192 schtasks.exe 2268 schtasks.exe 2896 schtasks.exe 4036 schtasks.exe 968 schtasks.exe 4008 schtasks.exe 1420 schtasks.exe 4584 schtasks.exe 3460 schtasks.exe 1760 schtasks.exe 5012 schtasks.exe 4656 schtasks.exe 2088 schtasks.exe 2992 schtasks.exe 3584 schtasks.exe 2504 schtasks.exe 3724 schtasks.exe 2076 schtasks.exe 3288 schtasks.exe - Modifies WinLogon for persistence 2 TTPs 10 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Setup Files\\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\\winlogon.exe\", \"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\", \"C:\\Windows\\assembly\\NativeImages_v2.0.50727_64\\Microsoft.PowerShel#\\RuntimeBroker.exe\", \"C:\\Windows\\uk-UA\\System.exe\", \"C:\\Windows\\Offline Web Pages\\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe\", \"C:\\Recovery\\WindowsRE\\wininit.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Setup Files\\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\\winlogon.exe\", \"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Setup Files\\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\\winlogon.exe\", \"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\", \"C:\\Windows\\assembly\\NativeImages_v2.0.50727_64\\Microsoft.PowerShel#\\RuntimeBroker.exe\", \"C:\\Windows\\uk-UA\\System.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Setup Files\\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\\winlogon.exe\", \"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\", \"C:\\Windows\\assembly\\NativeImages_v2.0.50727_64\\Microsoft.PowerShel#\\RuntimeBroker.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Setup Files\\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\\winlogon.exe\", \"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\", \"C:\\Windows\\assembly\\NativeImages_v2.0.50727_64\\Microsoft.PowerShel#\\RuntimeBroker.exe\", \"C:\\Windows\\uk-UA\\System.exe\", \"C:\\Windows\\Offline Web Pages\\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Setup Files\\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\\winlogon.exe\", \"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\", \"C:\\Windows\\assembly\\NativeImages_v2.0.50727_64\\Microsoft.PowerShel#\\RuntimeBroker.exe\", \"C:\\Windows\\uk-UA\\System.exe\", \"C:\\Windows\\Offline Web Pages\\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe\", \"C:\\Recovery\\WindowsRE\\wininit.exe\", \"C:\\Windows\\L2Schemas\\SppExtComObj.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Setup Files\\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\\winlogon.exe\", \"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\", \"C:\\Windows\\assembly\\NativeImages_v2.0.50727_64\\Microsoft.PowerShel#\\RuntimeBroker.exe\", \"C:\\Windows\\uk-UA\\System.exe\", \"C:\\Windows\\Offline Web Pages\\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe\", \"C:\\Recovery\\WindowsRE\\wininit.exe\", \"C:\\Windows\\L2Schemas\\SppExtComObj.exe\", \"C:\\Recovery\\WindowsRE\\RuntimeBroker.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Setup Files\\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\\winlogon.exe\", \"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\", \"C:\\Windows\\assembly\\NativeImages_v2.0.50727_64\\Microsoft.PowerShel#\\RuntimeBroker.exe\", \"C:\\Windows\\uk-UA\\System.exe\", \"C:\\Windows\\Offline Web Pages\\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe\", \"C:\\Recovery\\WindowsRE\\wininit.exe\", \"C:\\Windows\\L2Schemas\\SppExtComObj.exe\", \"C:\\Recovery\\WindowsRE\\RuntimeBroker.exe\", \"C:\\Users\\Default User\\dllhost.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Setup Files\\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\\winlogon.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe - Process spawned unexpected child process 30 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 1420 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4372 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3584 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3724 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2868 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1920 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4656 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 5012 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2268 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3460 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2504 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3712 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1164 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2896 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3536 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4584 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2088 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 608 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4008 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3192 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4868 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 996 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1476 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2076 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2992 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1760 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 5036 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4036 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 968 3716 schtasks.exe 84 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3288 3716 schtasks.exe 84 -
resource yara_rule behavioral2/memory/2724-0-0x0000000000E40000-0x000000000104C000-memory.dmp dcrat behavioral2/files/0x0007000000023421-23.dat dcrat behavioral2/files/0x0007000000022ac3-120.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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe - Executes dropped EXE 1 IoCs
pid Process 4456 dllhost.exe - Adds Run key to start application 2 TTPs 20 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Recovery\\WindowsRE\\RuntimeBroker.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Users\\Default User\\dllhost.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winlogon = "\"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Setup Files\\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\\winlogon.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winlogon = "\"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Setup Files\\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\\winlogon.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\StartMenuExperienceHost = "\"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Windows\\assembly\\NativeImages_v2.0.50727_64\\Microsoft.PowerShel#\\RuntimeBroker.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System = "\"C:\\Windows\\uk-UA\\System.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Recovery\\WindowsRE\\RuntimeBroker.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Windows\\assembly\\NativeImages_v2.0.50727_64\\Microsoft.PowerShel#\\RuntimeBroker.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72 = "\"C:\\Windows\\Offline Web Pages\\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wininit = "\"C:\\Recovery\\WindowsRE\\wininit.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SppExtComObj = "\"C:\\Windows\\L2Schemas\\SppExtComObj.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SppExtComObj = "\"C:\\Windows\\L2Schemas\\SppExtComObj.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72 = "\"C:\\Recovery\\WindowsRE\\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Users\\Default User\\dllhost.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72 = "\"C:\\Recovery\\WindowsRE\\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\StartMenuExperienceHost = "\"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System = "\"C:\\Windows\\uk-UA\\System.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72 = "\"C:\\Windows\\Offline Web Pages\\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wininit = "\"C:\\Recovery\\WindowsRE\\wininit.exe\"" 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe - Drops file in Program Files directory 5 IoCs
description ioc Process File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Setup Files\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\winlogon.exe 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Setup Files\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\cc11b995f2a76d 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Setup Files\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\RCX59EB.tmp 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Setup Files\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\RCX59EC.tmp 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Setup Files\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\winlogon.exe 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe - Drops file in Windows directory 21 IoCs
description ioc Process File created C:\Windows\LanguageOverlayCache\StartMenuExperienceHost.exe 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe File created C:\Windows\L2Schemas\e1ef82546f0b02 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe File opened for modification C:\Windows\Offline Web Pages\RCX629E.tmp 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe File opened for modification C:\Windows\uk-UA\RCX601C.tmp 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe File opened for modification C:\Windows\Offline Web Pages\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe File created C:\Windows\assembly\NativeImages_v2.0.50727_64\Microsoft.PowerShel#\RuntimeBroker.exe 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe File created C:\Windows\Offline Web Pages\90ec6070a4c1a0 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe File opened for modification C:\Windows\assembly\NativeImages_v2.0.50727_64\Microsoft.PowerShel#\RuntimeBroker.exe 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe File opened for modification C:\Windows\assembly\NativeImages_v2.0.50727_64\Microsoft.PowerShel#\RCX5E17.tmp 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe File opened for modification C:\Windows\uk-UA\RCX601D.tmp 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe File opened for modification C:\Windows\L2Schemas\RCX6737.tmp 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe File created C:\Windows\Offline Web Pages\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe File created C:\Windows\L2Schemas\SppExtComObj.exe 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe File opened for modification C:\Windows\assembly\NativeImages_v2.0.50727_64\Microsoft.PowerShel#\RCX5E16.tmp 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe File opened for modification C:\Windows\uk-UA\System.exe 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe File opened for modification C:\Windows\Offline Web Pages\RCX629F.tmp 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe File created C:\Windows\assembly\NativeImages_v2.0.50727_64\Microsoft.PowerShel#\9e8d7a4ca61bd9 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe File created C:\Windows\uk-UA\System.exe 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe File created C:\Windows\uk-UA\27d1bcfc3c54e0 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe File opened for modification C:\Windows\L2Schemas\RCX6736.tmp 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe File opened for modification C:\Windows\L2Schemas\SppExtComObj.exe 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 30 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1476 schtasks.exe 1920 schtasks.exe 2088 schtasks.exe 4868 schtasks.exe 2992 schtasks.exe 3536 schtasks.exe 3192 schtasks.exe 996 schtasks.exe 3724 schtasks.exe 2896 schtasks.exe 3288 schtasks.exe 968 schtasks.exe 2504 schtasks.exe 4008 schtasks.exe 4036 schtasks.exe 5036 schtasks.exe 4372 schtasks.exe 2268 schtasks.exe 608 schtasks.exe 3584 schtasks.exe 2868 schtasks.exe 1164 schtasks.exe 4656 schtasks.exe 5012 schtasks.exe 4584 schtasks.exe 2076 schtasks.exe 1760 schtasks.exe 1420 schtasks.exe 3460 schtasks.exe 3712 schtasks.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2724 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe 2724 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe 2724 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe 2724 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe 2724 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe 4456 dllhost.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2724 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe Token: SeDebugPrivilege 4456 dllhost.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2724 wrote to memory of 3976 2724 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe 123 PID 2724 wrote to memory of 3976 2724 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe 123 PID 3976 wrote to memory of 3188 3976 cmd.exe 125 PID 3976 wrote to memory of 3188 3976 cmd.exe 125 PID 3976 wrote to memory of 4456 3976 cmd.exe 128 PID 3976 wrote to memory of 4456 3976 cmd.exe 128 - 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\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe"C:\Users\Admin\AppData\Local\Temp\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.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:2724 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\CM21Qg9nNg.bat"2⤵
- Suspicious use of WriteProcessMemory
PID:3976 -
C:\Windows\system32\w32tm.exew32tm /stripchart /computer:localhost /period:5 /dataonly /samples:23⤵PID:3188
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C:\Users\Default User\dllhost.exe"C:\Users\Default User\dllhost.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4456
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-
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc721" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe'" /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1420
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4372
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc721" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3584
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Setup Files\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\winlogon.exe'" /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3724
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Setup Files\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\winlogon.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2868
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Setup Files\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\winlogon.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1920
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\StartMenuExperienceHost.exe'" /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4656
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\StartMenuExperienceHost.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:5012
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\StartMenuExperienceHost.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2268
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 6 /tr "'C:\Windows\assembly\NativeImages_v2.0.50727_64\Microsoft.PowerShel#\RuntimeBroker.exe'" /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3460
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Windows\assembly\NativeImages_v2.0.50727_64\Microsoft.PowerShel#\RuntimeBroker.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2504
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 5 /tr "'C:\Windows\assembly\NativeImages_v2.0.50727_64\Microsoft.PowerShel#\RuntimeBroker.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3712
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "SystemS" /sc MINUTE /mo 10 /tr "'C:\Windows\uk-UA\System.exe'" /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1164
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Windows\uk-UA\System.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2896
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "SystemS" /sc MINUTE /mo 10 /tr "'C:\Windows\uk-UA\System.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3536
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc721" /sc MINUTE /mo 9 /tr "'C:\Windows\Offline Web Pages\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe'" /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4584
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72" /sc ONLOGON /tr "'C:\Windows\Offline Web Pages\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2088
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc721" /sc MINUTE /mo 12 /tr "'C:\Windows\Offline Web Pages\170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:608
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "wininitw" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\wininit.exe'" /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4008
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\wininit.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3192
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "wininitw" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\wininit.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4868
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 10 /tr "'C:\Windows\L2Schemas\SppExtComObj.exe'" /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:996
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Windows\L2Schemas\SppExtComObj.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1476
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 7 /tr "'C:\Windows\L2Schemas\SppExtComObj.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2076
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\RuntimeBroker.exe'" /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2992
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\RuntimeBroker.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1760
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\RuntimeBroker.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:5036
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 10 /tr "'C:\Users\Default User\dllhost.exe'" /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4036
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Users\Default User\dllhost.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:968
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 5 /tr "'C:\Users\Default User\dllhost.exe'" /rl HIGHEST /f1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3288
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Recovery\WindowsRE\wininit.exe
- Size 2.0MB
- SHA256 1c8c5804ecf2fd58eecaa5980a83dd72144a811514c88e9088d489957722bbd5
- MD5 3acd36b2fa945458e344105958fd5021
- SHA1 78968f8777a2b0e2fe00ce8de880e9296d34391c
- SHA512 44fabb9363722076930a8b752ee0621bcb2b985f648413104b69980ea4b915608e0ca68405d7fd9ebd5eca83953547efdfb4d04ea3e6069ed4854431791d7e18
- SSDEEP 24576:0n2XTCHM4xT9V3XzsHhVmatCELYIXVelAtgbHHd:iaTUv0jmtEttc
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\CM21Qg9nNg.bat
- Size 198B
- SHA256 0cd39e17e5bea52ee57748ff48a3505eb5cdde7447c52314372b44c7299cf3b1
- MD5 66cda48c962af60f7b40473de098f18b
- SHA1 fcb4ccf0b3e437b947d5c31dd5a96564806c7c6a
- SHA512 aca1a3e16f630f0f8e015e642311feab3f76311264fe517ad52916fa52a3870899c2c752cb258284600e9d9d3b3ac589128202050ef3d77c09c0e17cb05651d1
- MD5 SHA1 SHA512
- Path C:\Windows\uk-UA\System.exe
- Size 2.0MB
- SHA256 170584ecdd7e1e945137980f722d2d68e7abc00b3534fe0c823d7ffcdf9afc72
- MD5 c7896f2fb48758469fb32a4d48beb2e4
- SHA1 7afd3cd18b112b652a8fb1caff6318ee2733933c
- SHA512 32180a11022af678fb98b300ab6a588b54dc4cc3e2d308d55049b0b8ff99d84a05aae191b046c6916540e97ed4fc6b1513b8af3564aae6192347782197c9f33d
- SSDEEP 24576:0n2XTCHM4xT9V3XzsHhVmatCELYIXVelAtgbHHd:iaTUv0jmtEttc
- MD5 SHA1 SHA512 SSDEEP