Analysis
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max time kernel
122s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
06-02-2025 10:43
Static task
static1
Behavioral task
behavioral1
Sample
2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe
Resource
win7-20240903-en
General
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Target
2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe
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Size
2.1MB
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MD5
0c742a38601997d1b0a754cd4f8ef057
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SHA1
9a090ef87bac51eccc6e808d3d5adc62e09284fd
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SHA256
54426b5f566e7ff36678cd6bbd88b8a860461710ebe9b60d6ea02851654256f6
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SHA512
c1cbb759e5f451d13db687d42e9e9b0453b02d43b5a50263695381f3369197c7e7631de1aaa52a287470b851fb05e6bee40e6a731d69f42000b05b5d41bbb1c2
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SSDEEP
49152:5S5skDzci5R/DP7nmGarmFDM87CL9++86TIOSTXXG:Qvz55R/DzmGarmpvC5++86TIOSLG
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
http://www.klkjwre9fqwieluoi.info/
http://kukutrustnet777888.info/
Signatures
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Modifies firewall policy service 3 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe -
Sality family
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UAC bypass 3 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe -
Windows security bypass 2 TTPs 6 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe -
Windows security modification 2 TTPs 7 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe -
Checks whether UAC is enabled 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe -
Enumerates connected drives 3 TTPs 21 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\H: 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened (read-only) \??\Q: 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened (read-only) \??\Y: 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened (read-only) \??\E: 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened (read-only) \??\I: 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened (read-only) \??\S: 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened (read-only) \??\T: 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened (read-only) \??\V: 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened (read-only) \??\W: 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened (read-only) \??\J: 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened (read-only) \??\K: 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened (read-only) \??\N: 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened (read-only) \??\P: 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened (read-only) \??\R: 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened (read-only) \??\U: 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened (read-only) \??\Z: 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened (read-only) \??\G: 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened (read-only) \??\L: 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened (read-only) \??\M: 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened (read-only) \??\O: 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened (read-only) \??\X: 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe -
Drops autorun.inf file 1 TTPs 2 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\autorun.inf 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened for modification F:\autorun.inf 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe -
resource yara_rule behavioral1/memory/3060-2-0x0000000002490000-0x000000000351E000-memory.dmp upx behavioral1/memory/3060-6-0x0000000002490000-0x000000000351E000-memory.dmp upx behavioral1/memory/3060-10-0x0000000002490000-0x000000000351E000-memory.dmp upx behavioral1/memory/3060-9-0x0000000002490000-0x000000000351E000-memory.dmp upx behavioral1/memory/3060-8-0x0000000002490000-0x000000000351E000-memory.dmp upx behavioral1/memory/3060-7-0x0000000002490000-0x000000000351E000-memory.dmp upx behavioral1/memory/3060-5-0x0000000002490000-0x000000000351E000-memory.dmp upx behavioral1/memory/3060-4-0x0000000002490000-0x000000000351E000-memory.dmp upx behavioral1/memory/3060-11-0x0000000002490000-0x000000000351E000-memory.dmp upx behavioral1/memory/3060-28-0x0000000002490000-0x000000000351E000-memory.dmp upx behavioral1/memory/3060-27-0x0000000002490000-0x000000000351E000-memory.dmp upx behavioral1/memory/3060-29-0x0000000002490000-0x000000000351E000-memory.dmp upx behavioral1/memory/3060-31-0x0000000002490000-0x000000000351E000-memory.dmp upx behavioral1/memory/3060-32-0x0000000002490000-0x000000000351E000-memory.dmp upx behavioral1/memory/3060-34-0x0000000002490000-0x000000000351E000-memory.dmp upx behavioral1/memory/3060-35-0x0000000002490000-0x000000000351E000-memory.dmp upx behavioral1/memory/3060-38-0x0000000002490000-0x000000000351E000-memory.dmp upx behavioral1/memory/3060-52-0x0000000002490000-0x000000000351E000-memory.dmp upx behavioral1/memory/3060-54-0x0000000002490000-0x000000000351E000-memory.dmp upx behavioral1/memory/3060-56-0x0000000002490000-0x000000000351E000-memory.dmp upx behavioral1/memory/3060-57-0x0000000002490000-0x000000000351E000-memory.dmp upx behavioral1/memory/3060-59-0x0000000002490000-0x000000000351E000-memory.dmp upx behavioral1/memory/3060-61-0x0000000002490000-0x000000000351E000-memory.dmp upx behavioral1/memory/3060-64-0x0000000002490000-0x000000000351E000-memory.dmp upx behavioral1/memory/3060-66-0x0000000002490000-0x000000000351E000-memory.dmp upx behavioral1/memory/3060-68-0x0000000002490000-0x000000000351E000-memory.dmp upx behavioral1/memory/3060-69-0x0000000002490000-0x000000000351E000-memory.dmp upx -
Drops file in Program Files directory 9 IoCs
description ioc Process File opened for modification C:\PROGRAM FILES\7-ZIP\7zFM.exe 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened for modification C:\PROGRAM FILES\7-ZIP\Uninstall.exe 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened for modification C:\PROGRAM FILES\7-ZIP\7Z.EXE 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened for modification C:\PROGRAM FILES\7-ZIP\7z.exe 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened for modification C:\PROGRAM FILES\7-ZIP\7ZFM.EXE 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened for modification C:\PROGRAM FILES\7-ZIP\UNINSTALL.EXE 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened for modification C:\PROGRAM FILES\7-ZIP\7ZG.EXE 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe File opened for modification C:\PROGRAM FILES\7-ZIP\7zG.exe 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SYSTEM.INI 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe -
Suspicious behavior: EnumeratesProcesses 13 IoCs
pid Process 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe -
Suspicious behavior: MapViewOfSection 23 IoCs
pid Process 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe -
Suspicious use of AdjustPrivilegeToken 9 IoCs
description pid Process Token: SeDebugPrivilege 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe Token: SeDebugPrivilege 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe Token: SeDebugPrivilege 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe Token: SeDebugPrivilege 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe Token: SeDebugPrivilege 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe Token: SeDebugPrivilege 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe Token: SeDebugPrivilege 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe Token: SeDebugPrivilege 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe Token: SeDebugPrivilege 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3060 wrote to memory of 380 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3 PID 3060 wrote to memory of 380 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3 PID 3060 wrote to memory of 380 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3 PID 3060 wrote to memory of 380 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3 PID 3060 wrote to memory of 380 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3 PID 3060 wrote to memory of 380 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3 PID 3060 wrote to memory of 380 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 3 PID 3060 wrote to memory of 388 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 4 PID 3060 wrote to memory of 388 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 4 PID 3060 wrote to memory of 388 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 4 PID 3060 wrote to memory of 388 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 4 PID 3060 wrote to memory of 388 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 4 PID 3060 wrote to memory of 388 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 4 PID 3060 wrote to memory of 388 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 4 PID 3060 wrote to memory of 428 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 5 PID 3060 wrote to memory of 428 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 5 PID 3060 wrote to memory of 428 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 5 PID 3060 wrote to memory of 428 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 5 PID 3060 wrote to memory of 428 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 5 PID 3060 wrote to memory of 428 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 5 PID 3060 wrote to memory of 428 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 5 PID 3060 wrote to memory of 472 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 6 PID 3060 wrote to memory of 472 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 6 PID 3060 wrote to memory of 472 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 6 PID 3060 wrote to memory of 472 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 6 PID 3060 wrote to memory of 472 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 6 PID 3060 wrote to memory of 472 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 6 PID 3060 wrote to memory of 472 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 6 PID 3060 wrote to memory of 484 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 7 PID 3060 wrote to memory of 484 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 7 PID 3060 wrote to memory of 484 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 7 PID 3060 wrote to memory of 484 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 7 PID 3060 wrote to memory of 484 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 7 PID 3060 wrote to memory of 484 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 7 PID 3060 wrote to memory of 484 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 7 PID 3060 wrote to memory of 492 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 8 PID 3060 wrote to memory of 492 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 8 PID 3060 wrote to memory of 492 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 8 PID 3060 wrote to memory of 492 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 8 PID 3060 wrote to memory of 492 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 8 PID 3060 wrote to memory of 492 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 8 PID 3060 wrote to memory of 492 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 8 PID 3060 wrote to memory of 608 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 9 PID 3060 wrote to memory of 608 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 9 PID 3060 wrote to memory of 608 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 9 PID 3060 wrote to memory of 608 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 9 PID 3060 wrote to memory of 608 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 9 PID 3060 wrote to memory of 608 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 9 PID 3060 wrote to memory of 608 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 9 PID 3060 wrote to memory of 688 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 10 PID 3060 wrote to memory of 688 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 10 PID 3060 wrote to memory of 688 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 10 PID 3060 wrote to memory of 688 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 10 PID 3060 wrote to memory of 688 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 10 PID 3060 wrote to memory of 688 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 10 PID 3060 wrote to memory of 688 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 10 PID 3060 wrote to memory of 748 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 11 PID 3060 wrote to memory of 748 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 11 PID 3060 wrote to memory of 748 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 11 PID 3060 wrote to memory of 748 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 11 PID 3060 wrote to memory of 748 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 11 PID 3060 wrote to memory of 748 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 11 PID 3060 wrote to memory of 748 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 11 PID 3060 wrote to memory of 824 3060 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe 12 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe
Processes
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C:\Windows\system32\wininit.exewininit.exe1⤵PID:380
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C:\Windows\system32\services.exeC:\Windows\system32\services.exe2⤵PID:472
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k DcomLaunch3⤵PID:608
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}4⤵PID:1440
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C:\Windows\system32\wbem\wmiprvse.exeC:\Windows\system32\wbem\wmiprvse.exe4⤵PID:548
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k RPCSS3⤵PID:688
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted3⤵PID:748
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted3⤵PID:824
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"4⤵PID:1160
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs3⤵PID:860
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService3⤵PID:972
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService3⤵PID:280
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C:\Windows\System32\spoolsv.exeC:\Windows\System32\spoolsv.exe3⤵PID:292
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNoNetwork3⤵PID:1068
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C:\Windows\system32\taskhost.exe"taskhost.exe"3⤵PID:1112
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C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"3⤵PID:1728
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation3⤵PID:2288
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C:\Windows\system32\sppsvc.exeC:\Windows\system32\sppsvc.exe3⤵PID:2208
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C:\Windows\system32\lsass.exeC:\Windows\system32\lsass.exe2⤵PID:484
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C:\Windows\system32\lsm.exeC:\Windows\system32\lsm.exe2⤵PID:492
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C:\Windows\system32\csrss.exe%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=161⤵PID:388
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:428
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1200
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C:\Users\Admin\AppData\Local\Temp\2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe"C:\Users\Admin\AppData\Local\Temp\2025-02-06_0c742a38601997d1b0a754cd4f8ef057_bkransomware.exe"2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3060
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
4Disable or Modify System Firewall
1Disable or Modify Tools
3Modify Registry
5Replay Monitor
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Downloads
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Filesize
1024KB
MD570275617c292fd99702d9aa2a208d998
SHA1e7c4fec76dc63cce4aeb9b2debb83101eb229898
SHA256308ae0c0118c9e3b928cb43d26863e5629b706870a4e11bfb0daab7a941b4b26
SHA512b6a52382f364878194ef8b6c465e4ee8438f36d01c8c4c45a0c837baf12a92fdd8894ad8deae4fc6425225b0e5a1b2bc24c41b80c59fa334343ff5ce6b98b83d
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Filesize
127KB
MD5661cb40ae487c0cb55325e9aca7aaf96
SHA186212110ad3ecec836d69d34a4f9c2af302ddf11
SHA256e6efa7edf7a3a1d24e155e9065d66fe466ab9a900bf77fae8c6be2deaddebd62
SHA5124e209cff1e721d45997ad6b9003d9e6615ba47fadb5a31b6eeb692b92c3a92bc193d32f900cf61543c6775ff446318dd38e6dbce0ae0ef49c3f249ae14577c37