Analysis
-
max time kernel
140s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
22-05-2024 22:53
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe
Resource
win7-20240221-en
General
-
Target
2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe
-
Size
529KB
-
MD5
c1a6d8bcd536cf7de00bc146a111715f
-
SHA1
117387008ff4d92631f5e2eaf510c3241d795311
-
SHA256
08e4466e0ee7b93fd4a7aa406070539d64fdac951fd6c73aa8ff0d09318b4021
-
SHA512
a6525706346aa1fdb2034961318762ba45fbfb2c409dadbfd538a23ad85c1f03a8a9032d5dcf1e7934a21668d79555dd8a7150c4d066ac8353809487db063a97
-
SSDEEP
6144:UYrIOXsqmWzJrdc6GJRQUtGUA9PRWLiFSbE56FORFIX1PlMmW:Q2lWRPthA9PRWg9YjMm
Malware Config
Extracted
sality
http://89.119.67.154/testo5/
http://kukutrustnet777.info/home.gif
http://kukutrustnet888.info/home.gif
http://kukutrustnet987.info/home.gif
Signatures
-
Modifies firewall policy service 2 TTPs 3 IoCs
Processes:
2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe -
Processes:
2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe -
Processes:
2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe -
Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 11 IoCs
Processes:
resource yara_rule behavioral2/memory/2672-1-0x0000000002380000-0x000000000343A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/2672-3-0x0000000002380000-0x000000000343A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/2672-5-0x0000000002380000-0x000000000343A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/2672-7-0x0000000002380000-0x000000000343A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/2672-15-0x0000000002380000-0x000000000343A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/2672-20-0x0000000002380000-0x000000000343A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/2672-16-0x0000000002380000-0x000000000343A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/2672-19-0x0000000002380000-0x000000000343A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/2672-4-0x0000000002380000-0x000000000343A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/2672-6-0x0000000002380000-0x000000000343A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/2672-21-0x0000000002380000-0x000000000343A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine -
UPX dump on OEP (original entry point) 12 IoCs
Processes:
resource yara_rule behavioral2/memory/2672-1-0x0000000002380000-0x000000000343A000-memory.dmp UPX behavioral2/memory/2672-3-0x0000000002380000-0x000000000343A000-memory.dmp UPX behavioral2/memory/2672-5-0x0000000002380000-0x000000000343A000-memory.dmp UPX behavioral2/memory/2672-7-0x0000000002380000-0x000000000343A000-memory.dmp UPX behavioral2/memory/2672-15-0x0000000002380000-0x000000000343A000-memory.dmp UPX behavioral2/memory/2672-20-0x0000000002380000-0x000000000343A000-memory.dmp UPX behavioral2/memory/2672-16-0x0000000002380000-0x000000000343A000-memory.dmp UPX behavioral2/memory/2672-19-0x0000000002380000-0x000000000343A000-memory.dmp UPX behavioral2/memory/2672-4-0x0000000002380000-0x000000000343A000-memory.dmp UPX behavioral2/memory/2672-6-0x0000000002380000-0x000000000343A000-memory.dmp UPX behavioral2/memory/2672-33-0x0000000000400000-0x000000000048A000-memory.dmp UPX behavioral2/memory/2672-21-0x0000000002380000-0x000000000343A000-memory.dmp UPX -
Processes:
resource yara_rule behavioral2/memory/2672-1-0x0000000002380000-0x000000000343A000-memory.dmp upx behavioral2/memory/2672-3-0x0000000002380000-0x000000000343A000-memory.dmp upx behavioral2/memory/2672-5-0x0000000002380000-0x000000000343A000-memory.dmp upx behavioral2/memory/2672-7-0x0000000002380000-0x000000000343A000-memory.dmp upx behavioral2/memory/2672-15-0x0000000002380000-0x000000000343A000-memory.dmp upx behavioral2/memory/2672-20-0x0000000002380000-0x000000000343A000-memory.dmp upx behavioral2/memory/2672-16-0x0000000002380000-0x000000000343A000-memory.dmp upx behavioral2/memory/2672-19-0x0000000002380000-0x000000000343A000-memory.dmp upx behavioral2/memory/2672-4-0x0000000002380000-0x000000000343A000-memory.dmp upx behavioral2/memory/2672-6-0x0000000002380000-0x000000000343A000-memory.dmp upx behavioral2/memory/2672-21-0x0000000002380000-0x000000000343A000-memory.dmp upx -
Processes:
2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe -
Processes:
2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe -
Drops file in Windows directory 2 IoCs
Processes:
2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exedescription ioc process File created C:\Windows\e573a69 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe File opened for modification C:\Windows\SYSTEM.INI 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exepid process 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exedescription pid process Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Token: SeDebugPrivilege 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exepid process 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exedescription pid process target process PID 2672 wrote to memory of 796 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe fontdrvhost.exe PID 2672 wrote to memory of 804 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe fontdrvhost.exe PID 2672 wrote to memory of 380 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe dwm.exe PID 2672 wrote to memory of 2620 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe sihost.exe PID 2672 wrote to memory of 2632 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe svchost.exe PID 2672 wrote to memory of 2868 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe taskhostw.exe PID 2672 wrote to memory of 3516 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe Explorer.EXE PID 2672 wrote to memory of 3656 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe svchost.exe PID 2672 wrote to memory of 3840 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe DllHost.exe PID 2672 wrote to memory of 3928 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe StartMenuExperienceHost.exe PID 2672 wrote to memory of 4028 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe RuntimeBroker.exe PID 2672 wrote to memory of 748 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe SearchApp.exe PID 2672 wrote to memory of 3872 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe RuntimeBroker.exe PID 2672 wrote to memory of 3108 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe TextInputHost.exe PID 2672 wrote to memory of 4964 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe RuntimeBroker.exe PID 2672 wrote to memory of 2560 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe backgroundTaskHost.exe PID 2672 wrote to memory of 4584 2672 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe backgroundTaskHost.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe
Processes
-
C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵
-
C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵
-
C:\Windows\system32\dwm.exe"dwm.exe"1⤵
-
C:\Windows\system32\sihost.exesihost.exe1⤵
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵
-
C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}1⤵
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
-
C:\Users\Admin\AppData\Local\Temp\2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-22_c1a6d8bcd536cf7de00bc146a111715f_bkransomware.exe"2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵
-
C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵
-
C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
-
C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
-
C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵
-
C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
-
C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca1⤵
-
C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
-
C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca1⤵
-
C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Privilege Escalation
Create or Modify System Process
1Windows Service
1Abuse Elevation Control Mechanism
1Bypass User Account Control
1Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/2672-0-0x0000000000400000-0x000000000048A000-memory.dmpFilesize
552KB
-
memory/2672-1-0x0000000002380000-0x000000000343A000-memory.dmpFilesize
16.7MB
-
memory/2672-3-0x0000000002380000-0x000000000343A000-memory.dmpFilesize
16.7MB
-
memory/2672-5-0x0000000002380000-0x000000000343A000-memory.dmpFilesize
16.7MB
-
memory/2672-7-0x0000000002380000-0x000000000343A000-memory.dmpFilesize
16.7MB
-
memory/2672-15-0x0000000002380000-0x000000000343A000-memory.dmpFilesize
16.7MB
-
memory/2672-20-0x0000000002380000-0x000000000343A000-memory.dmpFilesize
16.7MB
-
memory/2672-16-0x0000000002380000-0x000000000343A000-memory.dmpFilesize
16.7MB
-
memory/2672-23-0x0000000000C10000-0x0000000000C12000-memory.dmpFilesize
8KB
-
memory/2672-19-0x0000000002380000-0x000000000343A000-memory.dmpFilesize
16.7MB
-
memory/2672-18-0x0000000000C10000-0x0000000000C12000-memory.dmpFilesize
8KB
-
memory/2672-17-0x0000000000C10000-0x0000000000C12000-memory.dmpFilesize
8KB
-
memory/2672-4-0x0000000002380000-0x000000000343A000-memory.dmpFilesize
16.7MB
-
memory/2672-6-0x0000000002380000-0x000000000343A000-memory.dmpFilesize
16.7MB
-
memory/2672-9-0x00000000041D0000-0x00000000041D1000-memory.dmpFilesize
4KB
-
memory/2672-8-0x0000000000C10000-0x0000000000C12000-memory.dmpFilesize
8KB
-
memory/2672-33-0x0000000000400000-0x000000000048A000-memory.dmpFilesize
552KB
-
memory/2672-21-0x0000000002380000-0x000000000343A000-memory.dmpFilesize
16.7MB