Malware Analysis Report

2024-11-16 13:18

Sample ID 240518-z1kalsfg4z
Target 2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware
SHA256 eb9361f95836f73003afcac339770452bb718f91d431f8a0348886b5c39437c3
Tags
sality backdoor evasion trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

eb9361f95836f73003afcac339770452bb718f91d431f8a0348886b5c39437c3

Threat Level: Known bad

The file 2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware was found to be: Known bad.

Malicious Activity Summary

sality backdoor evasion trojan upx

Windows security bypass

Modifies firewall policy service

Sality

UAC bypass

Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality

UPX dump on OEP (original entry point)

Windows security modification

UPX packed file

Enumerates connected drives

Checks whether UAC is enabled

Drops autorun.inf file

Drops file in Windows directory

Drops file in Program Files directory

Unsigned PE

Suspicious behavior: EnumeratesProcesses

System policy modification

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-18 21:11

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral2

Detonation Overview

Submitted

2024-05-18 21:11

Reported

2024-05-18 21:13

Platform

win10v2004-20240226-en

Max time kernel

146s

Max time network

165s

Command Line

"fontdrvhost.exe"

Signatures

Modifies firewall policy service

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A

Sality

backdoor sality

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A

Windows security bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A

Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality

Description Indicator Process Target
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UPX dump on OEP (original entry point)

Description Indicator Process Target
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UPX packed file

upx
Description Indicator Process Target
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Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A

Drops autorun.inf file

Description Indicator Process Target
File opened for modification C:\autorun.inf C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened for modification F:\autorun.inf C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files\7-Zip\7z.exe C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened for modification C:\Program Files\7-Zip\7zFM.exe C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened for modification C:\Program Files\7-Zip\7zG.exe C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened for modification C:\Program Files\7-Zip\Uninstall.exe C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Microsoft Windows Network\e59477f C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File created C:\Windows\Web Client Network\e598d42 C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File created C:\Windows\e586acb C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened for modification C:\Windows\SYSTEM.INI C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File created C:\Windows\Microsoft Terminal Services\e59134f C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3040 wrote to memory of 800 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\system32\fontdrvhost.exe
PID 3040 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\system32\fontdrvhost.exe
PID 3040 wrote to memory of 384 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\system32\dwm.exe
PID 3040 wrote to memory of 2432 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\system32\sihost.exe
PID 3040 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\system32\svchost.exe
PID 3040 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\system32\taskhostw.exe
PID 3040 wrote to memory of 3196 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\Explorer.EXE
PID 3040 wrote to memory of 3484 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\system32\svchost.exe
PID 3040 wrote to memory of 3736 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\system32\DllHost.exe
PID 3040 wrote to memory of 3828 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
PID 3040 wrote to memory of 3928 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\System32\RuntimeBroker.exe
PID 3040 wrote to memory of 4028 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
PID 3040 wrote to memory of 3612 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\System32\RuntimeBroker.exe
PID 3040 wrote to memory of 4624 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\System32\RuntimeBroker.exe
PID 3040 wrote to memory of 3668 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
PID 3040 wrote to memory of 1592 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 3040 wrote to memory of 4604 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 3040 wrote to memory of 3172 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 3040 wrote to memory of 3580 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 3040 wrote to memory of 920 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 3040 wrote to memory of 5620 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 3040 wrote to memory of 5636 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 3040 wrote to memory of 800 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\system32\fontdrvhost.exe
PID 3040 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\system32\fontdrvhost.exe
PID 3040 wrote to memory of 384 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\system32\dwm.exe
PID 3040 wrote to memory of 2432 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\system32\sihost.exe
PID 3040 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\system32\svchost.exe
PID 3040 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\system32\taskhostw.exe
PID 3040 wrote to memory of 3196 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\Explorer.EXE
PID 3040 wrote to memory of 3484 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\system32\svchost.exe
PID 3040 wrote to memory of 3736 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\system32\DllHost.exe
PID 3040 wrote to memory of 3828 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
PID 3040 wrote to memory of 3928 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\System32\RuntimeBroker.exe
PID 3040 wrote to memory of 4028 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
PID 3040 wrote to memory of 3612 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\System32\RuntimeBroker.exe
PID 3040 wrote to memory of 4624 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\System32\RuntimeBroker.exe
PID 3040 wrote to memory of 3668 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
PID 3040 wrote to memory of 1592 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 3040 wrote to memory of 4604 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 3040 wrote to memory of 3172 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 3040 wrote to memory of 3580 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 3040 wrote to memory of 920 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 3040 wrote to memory of 5620 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 3040 wrote to memory of 5636 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 3040 wrote to memory of 800 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\system32\fontdrvhost.exe
PID 3040 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\system32\fontdrvhost.exe
PID 3040 wrote to memory of 384 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\system32\dwm.exe
PID 3040 wrote to memory of 2432 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\system32\sihost.exe
PID 3040 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\system32\svchost.exe
PID 3040 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\system32\taskhostw.exe
PID 3040 wrote to memory of 3196 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\Explorer.EXE
PID 3040 wrote to memory of 3484 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\system32\svchost.exe
PID 3040 wrote to memory of 3736 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\system32\DllHost.exe
PID 3040 wrote to memory of 3828 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
PID 3040 wrote to memory of 3928 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\System32\RuntimeBroker.exe
PID 3040 wrote to memory of 4028 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
PID 3040 wrote to memory of 3612 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\System32\RuntimeBroker.exe
PID 3040 wrote to memory of 4624 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\System32\RuntimeBroker.exe
PID 3040 wrote to memory of 3668 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
PID 3040 wrote to memory of 1592 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 3040 wrote to memory of 4604 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 3040 wrote to memory of 3172 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 3040 wrote to memory of 3580 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 3040 wrote to memory of 920 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

System policy modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A

Processes

C:\Windows\system32\fontdrvhost.exe

"fontdrvhost.exe"

C:\Windows\system32\fontdrvhost.exe

"fontdrvhost.exe"

C:\Windows\system32\dwm.exe

"dwm.exe"

C:\Windows\system32\sihost.exe

sihost.exe

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc

C:\Windows\system32\taskhostw.exe

taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc

C:\Windows\system32\DllHost.exe

C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe

"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca

C:\Windows\System32\RuntimeBroker.exe

C:\Windows\System32\RuntimeBroker.exe -Embedding

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe

"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca

C:\Windows\System32\RuntimeBroker.exe

C:\Windows\System32\RuntimeBroker.exe -Embedding

C:\Windows\System32\RuntimeBroker.exe

C:\Windows\System32\RuntimeBroker.exe -Embedding

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe

"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --no-startup-window

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=122.0.6261.70 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=122.0.2365.52 --initial-client-data=0x238,0x23c,0x240,0x234,0x2f0,0x7ffd7c282e98,0x7ffd7c282ea4,0x7ffd7c282eb0

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=2276 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:2

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=2340 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:3

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=2520 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --instant-process --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --mojo-platform-channel-handle=5312 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:1

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --mojo-platform-channel-handle=5568 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:1

C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1324 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
GB 142.250.187.202:443 tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 79.239.69.13.in-addr.arpa udp

Files

memory/3040-0-0x0000000000400000-0x0000000000489000-memory.dmp

memory/3040-2-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-7-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-5-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-10-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-11-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-12-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-15-0x00000000047E0000-0x00000000047E1000-memory.dmp

memory/3040-14-0x0000000000C60000-0x0000000000C62000-memory.dmp

memory/3040-9-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-8-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-6-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-4-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-16-0x0000000000C60000-0x0000000000C62000-memory.dmp

memory/3040-21-0x0000000000C60000-0x0000000000C62000-memory.dmp

memory/3040-22-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-23-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-24-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-26-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-25-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-28-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-29-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-30-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-32-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-34-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-35-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-36-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-41-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-39-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-45-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-46-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-48-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-50-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-53-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-54-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-62-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-63-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-66-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-67-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-68-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-69-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-71-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-73-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-75-0x0000000002420000-0x00000000034DA000-memory.dmp

C:\bsbmb.pif

MD5 7549a7bc34e943061c60e7d2b13d6320
SHA1 f183e67a08b55f90ce4cdb677895630fda24eaa0
SHA256 41a5a0cf18c9767c1ab8859363d06f7cde46c95e37fe02ddf58b9b5b5e3b8793
SHA512 0fe5b8175c7411be3d6a2f12562a0d776666b216ddf9cce2d886937abf34b76475070d6a65c62ef8d3fd486c86e47d7c0c5a8c68ed22299c836fba438d5785d9

memory/3040-88-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/3040-89-0x0000000000C60000-0x0000000000C62000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-18 21:11

Reported

2024-05-18 21:13

Platform

win7-20240221-en

Max time kernel

118s

Max time network

118s

Command Line

"C:\Windows\system32\Dwm.exe"

Signatures

Modifies firewall policy service

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A

Sality

backdoor sality

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A

Windows security bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A

Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality

Description Indicator Process Target
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UPX dump on OEP (original entry point)

Description Indicator Process Target
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UPX packed file

upx
Description Indicator Process Target
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Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\f76146b C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
File opened for modification C:\Windows\SYSTEM.INI C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A

System policy modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe N/A

Processes

C:\Windows\system32\Dwm.exe

"C:\Windows\system32\Dwm.exe"

C:\Windows\system32\taskhost.exe

"taskhost.exe"

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\DllHost.exe

C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}

C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe"

Network

N/A

Files

memory/1712-0-0x0000000000400000-0x0000000000489000-memory.dmp

memory/1712-5-0x0000000001F90000-0x000000000304A000-memory.dmp

memory/1712-6-0x0000000001F90000-0x000000000304A000-memory.dmp

memory/1712-9-0x0000000001F90000-0x000000000304A000-memory.dmp

memory/1712-7-0x0000000001F90000-0x000000000304A000-memory.dmp

memory/1712-30-0x00000000004A0000-0x00000000004A2000-memory.dmp

memory/1712-29-0x00000000004A0000-0x00000000004A2000-memory.dmp

memory/1712-28-0x00000000004B0000-0x00000000004B1000-memory.dmp

memory/1712-12-0x0000000001F90000-0x000000000304A000-memory.dmp

memory/1712-26-0x00000000004B0000-0x00000000004B1000-memory.dmp

memory/1712-25-0x00000000004A0000-0x00000000004A2000-memory.dmp

memory/1044-18-0x0000000000340000-0x0000000000342000-memory.dmp

memory/1712-4-0x0000000001F90000-0x000000000304A000-memory.dmp

memory/1712-11-0x0000000001F90000-0x000000000304A000-memory.dmp

memory/1712-10-0x0000000001F90000-0x000000000304A000-memory.dmp

memory/1712-8-0x0000000001F90000-0x000000000304A000-memory.dmp

memory/1712-3-0x0000000001F90000-0x000000000304A000-memory.dmp

memory/1712-33-0x0000000001F90000-0x000000000304A000-memory.dmp

memory/1712-43-0x0000000000400000-0x0000000000489000-memory.dmp