Malware Analysis Report

2024-11-16 13:17

Sample ID 240518-zycsraga83
Target 2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware
SHA256 0dc12fbb0282f1fc64239d64c0b37af0e0f953083130bd909d2b9b57575d5e6e
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: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

0dc12fbb0282f1fc64239d64c0b37af0e0f953083130bd909d2b9b57575d5e6e

Threat Level: Known bad

The file 2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware was found to be: Known bad.

Malicious Activity Summary

sality backdoor evasion trojan upx

Windows security bypass

UAC bypass

Sality

Modifies firewall policy service

UPX dump on OEP (original entry point)

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

Windows security modification

UPX packed file

Checks whether UAC is enabled

Drops file in Windows directory

Unsigned PE

System policy modification

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-18 21:07

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-18 21:07

Reported

2024-05-18 21:09

Platform

win7-20240508-en

Max time kernel

122s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.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_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A

Windows security bypass

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_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_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\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\f760c02 C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
File opened for modification C:\Windows\SYSTEM.INI C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe"

Network

N/A

Files

memory/1616-0-0x0000000000400000-0x0000000000486000-memory.dmp

memory/1616-2-0x0000000001F40000-0x0000000002FFA000-memory.dmp

memory/1616-6-0x0000000001F40000-0x0000000002FFA000-memory.dmp

memory/1616-13-0x0000000001F40000-0x0000000002FFA000-memory.dmp

memory/1616-4-0x0000000001F40000-0x0000000002FFA000-memory.dmp

memory/1616-5-0x0000000001F40000-0x0000000002FFA000-memory.dmp

memory/1616-7-0x0000000001F40000-0x0000000002FFA000-memory.dmp

memory/1616-9-0x0000000001F40000-0x0000000002FFA000-memory.dmp

memory/1616-11-0x0000000001F40000-0x0000000002FFA000-memory.dmp

memory/1616-22-0x0000000000400000-0x0000000000486000-memory.dmp

memory/1616-12-0x0000000001F40000-0x0000000002FFA000-memory.dmp

memory/1616-10-0x0000000001F40000-0x0000000002FFA000-memory.dmp

memory/1616-8-0x0000000001F40000-0x0000000002FFA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-18 21:07

Reported

2024-05-18 21:09

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

157s

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\DoNotAllowExceptions = "0" C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A

Windows security bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\e5746fc C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
File opened for modification C:\Windows\SYSTEM.INI C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_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_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1420 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe C:\Windows\system32\fontdrvhost.exe
PID 1420 wrote to memory of 764 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe C:\Windows\system32\fontdrvhost.exe
PID 1420 wrote to memory of 1012 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe C:\Windows\system32\dwm.exe
PID 1420 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe C:\Windows\system32\sihost.exe
PID 1420 wrote to memory of 2552 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe C:\Windows\system32\svchost.exe
PID 1420 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe C:\Windows\system32\taskhostw.exe
PID 1420 wrote to memory of 3536 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe C:\Windows\Explorer.EXE
PID 1420 wrote to memory of 3648 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe C:\Windows\system32\svchost.exe
PID 1420 wrote to memory of 3836 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe C:\Windows\system32\DllHost.exe
PID 1420 wrote to memory of 3928 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
PID 1420 wrote to memory of 3992 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe C:\Windows\System32\RuntimeBroker.exe
PID 1420 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
PID 1420 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe C:\Windows\System32\RuntimeBroker.exe
PID 1420 wrote to memory of 4840 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe C:\Windows\System32\RuntimeBroker.exe
PID 1420 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
PID 1420 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe C:\Windows\system32\backgroundTaskHost.exe
PID 1420 wrote to memory of 316 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe C:\Windows\system32\backgroundTaskHost.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_633093bdaa92743e25b6dc1d5df47d45_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:\Windows\system32\backgroundTaskHost.exe

"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca

C:\Windows\system32\backgroundTaskHost.exe

"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca

C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-18_633093bdaa92743e25b6dc1d5df47d45_bkransomware.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 100.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 31.73.42.20.in-addr.arpa udp

Files

memory/1420-0-0x0000000000400000-0x0000000000486000-memory.dmp

memory/1420-1-0x0000000002390000-0x000000000344A000-memory.dmp

memory/1420-4-0x0000000002390000-0x000000000344A000-memory.dmp

memory/1420-3-0x0000000002390000-0x000000000344A000-memory.dmp

memory/1420-5-0x0000000002390000-0x000000000344A000-memory.dmp

memory/1420-19-0x0000000002390000-0x000000000344A000-memory.dmp

memory/1420-21-0x0000000002390000-0x000000000344A000-memory.dmp

memory/1420-22-0x0000000002390000-0x000000000344A000-memory.dmp

memory/1420-20-0x0000000002390000-0x000000000344A000-memory.dmp

memory/1420-13-0x0000000002390000-0x000000000344A000-memory.dmp

memory/1420-7-0x0000000002390000-0x000000000344A000-memory.dmp

memory/1420-18-0x0000000003D00000-0x0000000003D02000-memory.dmp

memory/1420-17-0x0000000003E10000-0x0000000003E11000-memory.dmp

memory/1420-16-0x0000000003D00000-0x0000000003D02000-memory.dmp

memory/1420-14-0x0000000003D00000-0x0000000003D02000-memory.dmp

memory/1420-6-0x0000000002390000-0x000000000344A000-memory.dmp

memory/1420-23-0x0000000002390000-0x000000000344A000-memory.dmp

memory/1420-35-0x0000000000400000-0x0000000000486000-memory.dmp