Analysis
- max time kernel
140s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
13/03/2024, 01:38
Behavioral task
behavioral1
Sample
dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe
Resource
win10v2004-20240226-en
General
- Target dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe
- Size 2.0MB
- Sample240313-b2tnnsha2y
- SHA256 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff
- MD5 e323e7fb6f5b1908c0d11e8e5c65f930
- SHA1 1688785ea0c6359c58c63d5b789d3c6f923e5a14
- SHA512 e718cb49d17c95c1665e5b4131ed47b8b96914b0954444fbd8a4593e50c68233505a3125e01954f34be1fb7f9aa5a36777606075117e49f22ab5bb9c8fe05a7a
- SSDEEP 49152:PgylO+adjZ+RWMK8Fha66hwJVTxsjbSDDW5d1:PPOxdjrI7txbDW
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
- 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 448 2220 schtasks.exe 91 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2488 2220 schtasks.exe 91 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2848 2220 schtasks.exe 91 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4876 2220 schtasks.exe 91 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2536 2220 schtasks.exe 91 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3116 2220 schtasks.exe 91 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2528 2220 schtasks.exe 91 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 732 2220 schtasks.exe 91 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2344 2220 schtasks.exe 91 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3100 2220 schtasks.exe 91 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2656 2220 schtasks.exe 91 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4212 2220 schtasks.exe 91 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3800 2220 schtasks.exe 91 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3716 2220 schtasks.exe 91 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4076 2220 schtasks.exe 91 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1688 2220 schtasks.exe 91 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2604 2220 schtasks.exe 91 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3744 2220 schtasks.exe 91 -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" explorer.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" explorer.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" explorer.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" explorer.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" explorer.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" explorer.exe -
resource yara_rule behavioral2/memory/1192-0-0x0000000000E30000-0x000000000103A000-memory.dmp dcrat behavioral2/files/0x0007000000023243-37.dat dcrat behavioral2/files/0x000b000000023138-269.dat dcrat behavioral2/files/0x000b000000023138-270.dat dcrat behavioral2/files/0x0007000000023263-278.dat dcrat behavioral2/files/0x000b000000023138-286.dat dcrat - Detects executables packed with SmartAssembly 8 IoCs
resource yara_rule behavioral2/memory/1192-7-0x000000001BB80000-0x000000001BB90000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly behavioral2/memory/1192-11-0x000000001BBD0000-0x000000001BBDA000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly behavioral2/memory/1192-17-0x000000001C390000-0x000000001C39C000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly behavioral2/memory/1192-19-0x000000001C3B0000-0x000000001C3BC000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly behavioral2/memory/1192-21-0x000000001C4D0000-0x000000001C4DC000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly behavioral2/memory/1192-22-0x000000001C4E0000-0x000000001C4EA000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly behavioral2/memory/1192-25-0x000000001C610000-0x000000001C61C000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly behavioral2/memory/1192-27-0x000000001C630000-0x000000001C63A000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly - Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System32\drivers\etc\hosts dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe - Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe Key value queried \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation explorer.exe - Executes dropped EXE 2 IoCs
pid Process 5492 explorer.exe 336 explorer.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA explorer.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" explorer.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA explorer.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" explorer.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe - Drops file in Program Files directory 8 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\Updates\RCX5A49.tmp dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe File opened for modification C:\Program Files\Microsoft Office\Updates\unsecapp.exe dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe File created C:\Program Files\Windows Defender\de-DE\backgroundTaskHost.exe dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe File created C:\Program Files\Windows Defender\de-DE\eddb19405b7ce1 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe File created C:\Program Files\Microsoft Office\Updates\unsecapp.exe dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe File created C:\Program Files\Microsoft Office\Updates\29c1c3cc0f7685 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe File opened for modification C:\Program Files\Windows Defender\de-DE\RCX5640.tmp dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe File opened for modification C:\Program Files\Windows Defender\de-DE\backgroundTaskHost.exe dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe - Drops file in Windows directory 9 IoCs
description ioc Process File created C:\Windows\addins\explorer.exe dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe File opened for modification C:\Windows\addins\explorer.exe dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe File created C:\Windows\addins\7a0fd90576e088 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe File created C:\Windows\System\Speech\spoolsv.exe dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe File created C:\Windows\SystemApps\Microsoft.Windows.PinningConfirmationDialog_cw5n1h2txyewy\6203df4a6bafc7 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe File opened for modification C:\Windows\addins\RCX53BE.tmp dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.PinningConfirmationDialog_cw5n1h2txyewy\RCX5C4E.tmp dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.PinningConfirmationDialog_cw5n1h2txyewy\lsass.exe dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe File created C:\Windows\SystemApps\Microsoft.Windows.PinningConfirmationDialog_cw5n1h2txyewy\lsass.exe dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 18 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2656 schtasks.exe 4076 schtasks.exe 1688 schtasks.exe 2488 schtasks.exe 4876 schtasks.exe 2536 schtasks.exe 3100 schtasks.exe 3744 schtasks.exe 448 schtasks.exe 2848 schtasks.exe 3716 schtasks.exe 2604 schtasks.exe 2528 schtasks.exe 4212 schtasks.exe 2344 schtasks.exe 3800 schtasks.exe 3116 schtasks.exe 732 schtasks.exe - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000_Classes\Local Settings dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe Key created \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000_Classes\Local Settings explorer.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 2920 powershell.exe 2920 powershell.exe 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 4532 powershell.exe 4532 powershell.exe 1328 powershell.exe 1328 powershell.exe 4680 powershell.exe 4680 powershell.exe 1044 powershell.exe 1044 powershell.exe 1488 powershell.exe 3720 powershell.exe 1488 powershell.exe 3720 powershell.exe 336 powershell.exe 336 powershell.exe 4304 powershell.exe 4304 powershell.exe 1524 powershell.exe 1524 powershell.exe 4288 powershell.exe 4288 powershell.exe 1436 powershell.exe 1436 powershell.exe 336 powershell.exe 4288 powershell.exe 2920 powershell.exe 1488 powershell.exe 4532 powershell.exe 4680 powershell.exe 3720 powershell.exe 1328 powershell.exe 4304 powershell.exe 1044 powershell.exe 1524 powershell.exe 1436 powershell.exe 5492 explorer.exe - Suspicious use of AdjustPrivilegeToken 15 IoCs
description pid Process Token: SeDebugPrivilege 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe Token: SeDebugPrivilege 2920 powershell.exe Token: SeDebugPrivilege 4532 powershell.exe Token: SeDebugPrivilege 1328 powershell.exe Token: SeDebugPrivilege 4288 powershell.exe Token: SeDebugPrivilege 4680 powershell.exe Token: SeDebugPrivilege 1044 powershell.exe Token: SeDebugPrivilege 1488 powershell.exe Token: SeDebugPrivilege 3720 powershell.exe Token: SeDebugPrivilege 336 powershell.exe Token: SeDebugPrivilege 4304 powershell.exe Token: SeDebugPrivilege 1524 powershell.exe Token: SeDebugPrivilege 1436 powershell.exe Token: SeDebugPrivilege 5492 explorer.exe Token: SeDebugPrivilege 336 explorer.exe - Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1192 wrote to memory of 1524 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 114 PID 1192 wrote to memory of 1524 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 114 PID 1192 wrote to memory of 1488 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 115 PID 1192 wrote to memory of 1488 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 115 PID 1192 wrote to memory of 1328 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 116 PID 1192 wrote to memory of 1328 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 116 PID 1192 wrote to memory of 4532 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 117 PID 1192 wrote to memory of 4532 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 117 PID 1192 wrote to memory of 1044 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 118 PID 1192 wrote to memory of 1044 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 118 PID 1192 wrote to memory of 4288 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 119 PID 1192 wrote to memory of 4288 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 119 PID 1192 wrote to memory of 4304 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 120 PID 1192 wrote to memory of 4304 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 120 PID 1192 wrote to memory of 2920 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 121 PID 1192 wrote to memory of 2920 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 121 PID 1192 wrote to memory of 336 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 122 PID 1192 wrote to memory of 336 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 122 PID 1192 wrote to memory of 4680 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 123 PID 1192 wrote to memory of 4680 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 123 PID 1192 wrote to memory of 1436 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 124 PID 1192 wrote to memory of 1436 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 124 PID 1192 wrote to memory of 3720 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 129 PID 1192 wrote to memory of 3720 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 129 PID 1192 wrote to memory of 4168 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 138 PID 1192 wrote to memory of 4168 1192 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe 138 PID 4168 wrote to memory of 5948 4168 cmd.exe 140 PID 4168 wrote to memory of 5948 4168 cmd.exe 140 PID 4168 wrote to memory of 5492 4168 cmd.exe 144 PID 4168 wrote to memory of 5492 4168 cmd.exe 144 PID 5492 wrote to memory of 5784 5492 explorer.exe 145 PID 5492 wrote to memory of 5784 5492 explorer.exe 145 PID 5492 wrote to memory of 1816 5492 explorer.exe 146 PID 5492 wrote to memory of 1816 5492 explorer.exe 146 PID 5784 wrote to memory of 336 5784 WScript.exe 148 PID 5784 wrote to memory of 336 5784 WScript.exe 148 - System policy modification 1 TTPs 9 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" explorer.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" explorer.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" explorer.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" explorer.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" explorer.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" explorer.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe"C:\Users\Admin\AppData\Local\Temp\dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff.exe"1⤵
- UAC bypass
- Drops file in Drivers directory
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1192 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1524
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/$Recycle.Bin/'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1488
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Documents and Settings/'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1328
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/odt/'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4532
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/PerfLogs/'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1044
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files/'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4288
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files (x86)/'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4304
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/ProgramData/'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2920
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Recovery/'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:336
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/System Volume Information/'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4680
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Users/'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1436
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows/'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3720
-
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\83I8ebEZ50.bat"2⤵
- Suspicious use of WriteProcessMemory
PID:4168 -
C:\Windows\system32\w32tm.exew32tm /stripchart /computer:localhost /period:5 /dataonly /samples:23⤵PID:5948
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C:\Windows\addins\explorer.exe"C:\Windows\addins\explorer.exe"3⤵
- UAC bypass
- Checks computer location settings
- Executes dropped EXE
- Checks whether UAC is enabled
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:5492 -
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\35ccd009-7c11-4212-862d-a5422c365c83.vbs"4⤵
- Suspicious use of WriteProcessMemory
PID:5784 -
C:\Windows\addins\explorer.exeC:\Windows\addins\explorer.exe5⤵
- UAC bypass
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of AdjustPrivilegeToken
- System policy modification
PID:336
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\06ef62c4-5dd0-4daf-a722-d53e08fe2685.vbs"4⤵PID:1816
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-
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "explorere" /sc MINUTE /mo 13 /tr "'C:\Windows\addins\explorer.exe'" /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:448
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Windows\addins\explorer.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2848
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "explorere" /sc MINUTE /mo 13 /tr "'C:\Windows\addins\explorer.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2488
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 10 /tr "'C:\Program Files\Windows Defender\de-DE\backgroundTaskHost.exe'" /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4876
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Program Files\Windows Defender\de-DE\backgroundTaskHost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2536
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 6 /tr "'C:\Program Files\Windows Defender\de-DE\backgroundTaskHost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3116
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "wininitw" /sc MINUTE /mo 9 /tr "'C:\Users\All Users\wininit.exe'" /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2528
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Users\All Users\wininit.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2344
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "wininitw" /sc MINUTE /mo 6 /tr "'C:\Users\All Users\wininit.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:732
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 6 /tr "'C:\Program Files\Microsoft Office\Updates\unsecapp.exe'" /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3100
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "unsecapp" /sc ONLOGON /tr "'C:\Program Files\Microsoft Office\Updates\unsecapp.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2656
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 6 /tr "'C:\Program Files\Microsoft Office\Updates\unsecapp.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4212
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "lsassl" /sc MINUTE /mo 11 /tr "'C:\Windows\SystemApps\Microsoft.Windows.PinningConfirmationDialog_cw5n1h2txyewy\lsass.exe'" /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3800
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Windows\SystemApps\Microsoft.Windows.PinningConfirmationDialog_cw5n1h2txyewy\lsass.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3716
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "lsassl" /sc MINUTE /mo 12 /tr "'C:\Windows\SystemApps\Microsoft.Windows.PinningConfirmationDialog_cw5n1h2txyewy\lsass.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4076
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 6 /tr "'C:\Users\Default\Downloads\dllhost.exe'" /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1688
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Users\Default\Downloads\dllhost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2604
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 9 /tr "'C:\Users\Default\Downloads\dllhost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3744
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Scheduled Task/Job
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\explorer.exe.log
- Size 1KB
- SHA256 414659decfd237dde09625a49811e03b5b30ee06ee2ee97ea8bcfac394d281fd
- MD5 4a667f150a4d1d02f53a9f24d89d53d1
- SHA1 306e125c9edce66f28fdb63e6c4ca5c9ad6e8c97
- SHA512 4edd8e73ce03488a6d92750a782cd4042fbb54a5b3f8d8ba3ea227fda0653c2cd84f0c5d64976c7cdc1f518a2fdc8ff10e2a015ec7acf3cd01b0d62bc98542d8
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
- Size 2KB
- SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
- MD5 d85ba6ff808d9e5444a4b369f5bc2730
- SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
- SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 944B
- SHA256 8724dc2c3c8e8f17aeefae44a23741b1ea3b43c490fbc52fd61575ffe1cd82bb
- MD5 aaaac7c68d2b7997ed502c26fd9f65c2
- SHA1 7c5a3731300d672bf53c43e2f9e951c745f7fbdf
- SHA512 c526febd9430413b48bed976edd9a795793ad1f06c8ff4f6b768b4ad63f4d2f06b9da72d4fcfa7cb9530a64e2dc3554f5ad97fd0ab60129701d175f2724ef1ac
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 944B
- SHA256 876100d0ce1aff677a0cab677787ca9858a989f4e5c13b05c8931f709232b835
- MD5 243347db405974f6277b941306d57ddb
- SHA1 48a7563230d78ecfe8aaa7b749bf985c6078b4e4
- SHA512 1c45eae761fb4224943debe2f2d553793146bb6d4bf2535de2bded3f9c78665607bc1fce7d4ecf905569488e42e42d0bf4b6d20dfcf8cda77a354b8faf17a951
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 944B
- SHA256 7a73ac126468f3a94954656a0da1b494b18b6f7fc4ee09beb87573e82f300a10
- MD5 377c375f814a335a131901ed5d5eca44
- SHA1 9919811b18b4f8153541b332232ae88eec42f9f7
- SHA512 c511dff1a34a5e32cf0ce2c56aa3adf71bd51e9a5afc7ae75320ac7563ebb4571f6ac5cd771fa52e9c7966112431bbdd20e4b74e1a125c273bc835f127b599b5
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\06ef62c4-5dd0-4daf-a722-d53e08fe2685.vbs
- Size 482B
- SHA256 883908aec107b1ceb3f5752df4af11503ac7f8385d1f6055863e7e48948f7fb0
- MD5 6dcbf7e06fc52c317ea20d4ae60460a3
- SHA1 f858a171d58fbff9a5445d3babbab3d4925c38af
- SHA512 c38fe56f06016e35f58e97a7a21bf0b404f53e23dc923ec1fc3bb2e93fb7683b511bc9d73419bef5fb58a29f87179f8b192fe78affe1b535f3abf8301dd25d99
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\35ccd009-7c11-4212-862d-a5422c365c83.vbs
- Size 706B
- SHA256 0ea10a0becbc0123a26fe8a688720aef139cfb837d186d6a39d15f3f6434ac53
- MD5 12713bcd32a3c9f975af5812db978dbf
- SHA1 b81478a0f42333c66217c3356c6647b42709bc4f
- SHA512 5057213519fbaa86c52103a0fcf852d0405f62601afa331f1b8bc38a9fef1ed03db427fc36ea03e6a368d4142af6d1dd01bc501664c2e1e522d9aace6db1fc9a
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\75902bd59893fe5ad2348da817903f46987348d3.exe
- Size 473KB
- SHA256 15e2332a0e317662ccab690c96b93da99b37f50f37abe64048e3d390690554dc
- MD5 82ab56c835fbda552987d4eed5b5fd49
- SHA1 795c8621e5ea747324edd132ddab19cffe9ec52b
- SHA512 3e8b1b3ba7caa31881d067807537134a001a91b1812b99ef3061f3cc9cbb0d193f5e9fc3acdb19fbf813cd9ae5354ffa48b73793b6ca040c1aaa8f934534299d
- SSDEEP 6144:/L827+GfTZN/En2RQ3xLyqZ31QgA2aGksi+njQYqVEHEKvCDMntx7D:/vfLMnJLyC31I2aGf2akKwMnX
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\83I8ebEZ50.bat
- Size 195B
- SHA256 fa419ef0e2b9d2bb5aae6699e5b080a0dfbfb6cbf93eecf225230fb0127e1e33
- MD5 89a45cc6735796bd8cfc52e47785560c
- SHA1 ec39134c9144be122e7e20e746d3fc33f2652ab4
- SHA512 b9f77752987d01d5d74e18388e5d454097d3e39ce505e44e69ca6437755d8cebf5d62c35241534be1ebb9522a5b4c1bc665871f1bfe10d90f5d00a0f564e2d22
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3xerpai4.2pg.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Windows\SystemApps\Microsoft.Windows.PinningConfirmationDialog_cw5n1h2txyewy\lsass.exe
- Size 2.0MB
- SHA256 dc606f7747fa155a685f7462373a8cc218c33ccd3c083d1421662c96932669ff
- MD5 e323e7fb6f5b1908c0d11e8e5c65f930
- SHA1 1688785ea0c6359c58c63d5b789d3c6f923e5a14
- SHA512 e718cb49d17c95c1665e5b4131ed47b8b96914b0954444fbd8a4593e50c68233505a3125e01954f34be1fb7f9aa5a36777606075117e49f22ab5bb9c8fe05a7a
- SSDEEP 49152:PgylO+adjZ+RWMK8Fha66hwJVTxsjbSDDW5d1:PPOxdjrI7txbDW
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\addins\explorer.exe
- Size 588KB
- SHA256 10f3a9c220fa6e843ea1f3f8c8a07f26315dd667aca86ce0ab5cb1b2eadb8e4f
- MD5 4f31e76e647860e2c7fa5c4faa30915e
- SHA1 4232852d01100058783899bcc2f4e5a0e872fa2f
- SHA512 2110fdf05e2231a353e00d280b3a5c3853b4717beb56610749ba709b96cb704d6dd7ed33fc376b49304faca75269be257e52fda0150a080648894b4eac93dd5e
- SSDEEP 12288:/vfLMnJLyC31I2aGf2akKwMnEp6Vy67OWva:/gyC31IOf2adwMnEYV79va
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\addins\explorer.exe
- Size 665KB
- SHA256 e1778c9a4574f2cc46b5f457fc24968b889ff70b81185a78a1a94d1583003680
- MD5 f73d6dd0385edd6320f61bc0c43cb6a6
- SHA1 30c31e3d11b950fcc95d29bafa3461ac2afd1c1c
- SHA512 f2748895f6c65f99cf2b3c3f00dbae41696b21eab2b9596530482f4b6558dcc0d0e4af7b4d56017c78d9db1f9a7c0f7195e4fe406bc84d5324cf53a2ab99a381
- SSDEEP 12288:/vfLMnJLyC31I2aGf2akKwMnEp6Vy67OWv+o4RQ7C:/gyC31IOf2adwMnEYV79v+o4RkC
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\addins\explorer.exe
- Size 2.0MB
- SHA256 f6deff855b042433fcce69c065891d7437b4dbf2eb508858e0a0614935476dff
- MD5 f2f4cd40b8991b370b0a8ffa596e1af1
- SHA1 fd77d80e7890760aa1a3e3c85cab194e21925dac
- SHA512 3c4a81e6c0cc9966bcfaf140b72b42db3c2f842c8b0f60d6ce402dd03f3338ef172a3c67c7a7bc1de7faa8884ff7389f94693c2274257d1df3d767d6809e45e3
- SSDEEP 49152:/gylO+adjZ+RWMK8Fha66hwJVTxsjbSDDW5d1:/POxdjrI7txbDW
- MD5 SHA1 SHA512 SSDEEP