Analysis
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max time kernel
123s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24-12-2024 12:49
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe
Resource
win7-20241010-en
windows7-x64
17 signatures
150 seconds
General
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Target
2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe
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Size
2.5MB
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MD5
554cff18a4f5c295ccce538d17f4b74d
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SHA1
abbbca082abc307f1dacd2844667615b4fb6025e
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SHA256
6950ffdbcd00f68b7529b578ac59b2ba3e3664ddfea93ee39ea5efe05a61a1cd
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SHA512
b1e480618b2f51a12cff50bd1fdebb60fdf6bdaecbc4a35482eb30f19b4cfa85c367ac903fd9bf1a93dee22ca3556abee270d12aa920f18f358a76bd32e3346a
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SSDEEP
49152:tIlS/8Y8xjxVD19FFMaZEcQHgh6qWw+lIQPL:ulSNglVDZJZ5rWw+x
Malware Config
Extracted
Family
sality
C2
http://89.119.67.154/testo5/
http://kukutrustnet777.info/home.gif
http://kukutrustnet888.info/home.gif
http://kukutrustnet987.info/home.gif
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" 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe -
Sality family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_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) \??\L: 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened (read-only) \??\T: 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened (read-only) \??\I: 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened (read-only) \??\O: 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened (read-only) \??\S: 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened (read-only) \??\X: 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened (read-only) \??\Z: 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened (read-only) \??\H: 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened (read-only) \??\J: 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened (read-only) \??\M: 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened (read-only) \??\N: 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened (read-only) \??\P: 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened (read-only) \??\Q: 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened (read-only) \??\R: 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened (read-only) \??\U: 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened (read-only) \??\E: 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened (read-only) \??\K: 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened (read-only) \??\V: 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened (read-only) \??\W: 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened (read-only) \??\Y: 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened (read-only) \??\G: 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_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 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened for modification F:\autorun.inf 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe -
resource yara_rule behavioral2/memory/1808-4-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-3-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-6-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-5-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-7-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-9-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-12-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-13-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-14-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-8-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-22-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-23-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-24-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-25-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-26-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-28-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-29-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-30-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-32-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-35-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-37-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-38-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-40-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-44-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-45-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-47-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-49-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-51-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-53-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-55-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-57-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-59-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-61-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-68-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-71-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-73-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-74-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/1808-78-0x00000000025F0000-0x00000000036AA000-memory.dmp upx -
Drops file in Program Files directory 11 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\7zFM.exe 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened for modification C:\Program Files\7-Zip\7zG.exe 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SYSTEM.INI 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe File created C:\Windows\e578a5e 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_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 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe -
Suspicious behavior: EnumeratesProcesses 24 IoCs
pid Process 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe Token: SeDebugPrivilege 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1808 wrote to memory of 780 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 8 PID 1808 wrote to memory of 788 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 9 PID 1808 wrote to memory of 64 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 13 PID 1808 wrote to memory of 2792 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 49 PID 1808 wrote to memory of 2880 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 50 PID 1808 wrote to memory of 2260 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 51 PID 1808 wrote to memory of 3476 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 56 PID 1808 wrote to memory of 3560 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 57 PID 1808 wrote to memory of 3772 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 58 PID 1808 wrote to memory of 3860 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 59 PID 1808 wrote to memory of 3932 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 60 PID 1808 wrote to memory of 4056 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 61 PID 1808 wrote to memory of 4124 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 62 PID 1808 wrote to memory of 5088 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 74 PID 1808 wrote to memory of 3288 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 76 PID 1808 wrote to memory of 2160 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 81 PID 1808 wrote to memory of 780 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 8 PID 1808 wrote to memory of 788 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 9 PID 1808 wrote to memory of 64 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 13 PID 1808 wrote to memory of 2792 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 49 PID 1808 wrote to memory of 2880 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 50 PID 1808 wrote to memory of 2260 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 51 PID 1808 wrote to memory of 3476 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 56 PID 1808 wrote to memory of 3560 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 57 PID 1808 wrote to memory of 3772 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 58 PID 1808 wrote to memory of 3860 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 59 PID 1808 wrote to memory of 3932 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 60 PID 1808 wrote to memory of 4056 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 61 PID 1808 wrote to memory of 4124 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 62 PID 1808 wrote to memory of 5088 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 74 PID 1808 wrote to memory of 3288 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 76 PID 1808 wrote to memory of 2160 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 81 PID 1808 wrote to memory of 780 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 8 PID 1808 wrote to memory of 788 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 9 PID 1808 wrote to memory of 64 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 13 PID 1808 wrote to memory of 2792 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 49 PID 1808 wrote to memory of 2880 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 50 PID 1808 wrote to memory of 2260 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 51 PID 1808 wrote to memory of 3476 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 56 PID 1808 wrote to memory of 3560 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 57 PID 1808 wrote to memory of 3772 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 58 PID 1808 wrote to memory of 3860 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 59 PID 1808 wrote to memory of 3932 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 60 PID 1808 wrote to memory of 4056 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 61 PID 1808 wrote to memory of 4124 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 62 PID 1808 wrote to memory of 5088 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 74 PID 1808 wrote to memory of 3288 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 76 PID 1808 wrote to memory of 780 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 8 PID 1808 wrote to memory of 788 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 9 PID 1808 wrote to memory of 64 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 13 PID 1808 wrote to memory of 2792 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 49 PID 1808 wrote to memory of 2880 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 50 PID 1808 wrote to memory of 2260 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 51 PID 1808 wrote to memory of 3476 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 56 PID 1808 wrote to memory of 3560 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 57 PID 1808 wrote to memory of 3772 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 58 PID 1808 wrote to memory of 3860 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 59 PID 1808 wrote to memory of 3932 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 60 PID 1808 wrote to memory of 4056 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 61 PID 1808 wrote to memory of 4124 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 62 PID 1808 wrote to memory of 5088 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 74 PID 1808 wrote to memory of 3288 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 76 PID 1808 wrote to memory of 780 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 8 PID 1808 wrote to memory of 788 1808 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe 9 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe
Processes
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:780
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:788
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C:\Windows\system32\dwm.exe"dwm.exe"1⤵PID:64
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2792
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:2880
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C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}1⤵PID:2260
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3476
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C:\Users\Admin\AppData\Local\Temp\2024-12-24_554cff18a4f5c295ccce538d17f4b74d_bkransomware.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-24_554cff18a4f5c295ccce538d17f4b74d_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 use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1808
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵PID:3560
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:3772
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵PID:3860
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3932
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C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵PID:4056
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:4124
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca1⤵PID:5088
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3288
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵PID:2160
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
97KB
MD5a6296ce39f0b03a0a1891ec3688aac7f
SHA1fffff15674d9545c4deb56552aec5ce4c614fc5c
SHA256b7a3bd2221c8f6560d072e2f8967425306209465410c00abac1a8eecc7a6ecfe
SHA512f995f3ba28792c85b89f7e51682cc2570df6c8bb6d9d9edd49f4032cde3c80009b7858d820b7ce0f18b043f682ae68102d747189003fb41a225ab55624381591