Malware Analysis Report

2024-09-11 12:22

Sample ID 240614-krelfaxaqm
Target 2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware
SHA256 04ef0497a553447b094336335c4c9ed9a89b7e7a9dadf0b2a44d42139e98e72f
Tags
sality backdoor upx evasion trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

04ef0497a553447b094336335c4c9ed9a89b7e7a9dadf0b2a44d42139e98e72f

Threat Level: Known bad

The file 2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware was found to be: Known bad.

Malicious Activity Summary

sality backdoor upx evasion trojan

UAC bypass

Windows security bypass

Sality

Modifies firewall policy service

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

Checks whether UAC is enabled

Drops file in Windows directory

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

System policy modification

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Create or Modify System Process
T1543
Windows Service
T1543.003
Privilege Escalation
TA0004
Create or Modify System Process
T1543
Windows Service
T1543.003
Abuse Elevation Control Mechanism
T1548
Bypass User Account Control
T1548.002
Defense Evasion
TA0005
Modify Registry
T1112
Abuse Elevation Control Mechanism
T1548
Bypass User Account Control
T1548.002
Impair Defenses
T1562
Disable or Modify Tools
T1562.001
Credential Access
TA0006
Discovery
TA0007
System Information Discovery
T1082
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-14 08:49

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 08:49

Reported

2024-06-14 08:52

Platform

win7-20240221-en

Max time kernel

117s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe"

Signatures

Sality

backdoor sality

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

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

UPX dump on OEP (original entry point)

Description Indicator Process Target
N/A N/A N/A N/A
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UPX packed file

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

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe"

Network

N/A

Files

memory/2168-0-0x0000000000400000-0x0000000000448000-memory.dmp

memory/2168-3-0x0000000000650000-0x000000000170A000-memory.dmp

memory/2168-2-0x0000000000400000-0x0000000000448000-memory.dmp

memory/2168-4-0x0000000000650000-0x000000000170A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 08:49

Reported

2024-06-14 08:52

Platform

win10v2004-20240611-en

Max time kernel

95s

Max time network

131s

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\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_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\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_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\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_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
N/A N/A N/A N/A
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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\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_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\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\e5739ad C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
File opened for modification C:\Windows\SYSTEM.INI C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1380 wrote to memory of 772 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe C:\Windows\system32\fontdrvhost.exe
PID 1380 wrote to memory of 780 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe C:\Windows\system32\fontdrvhost.exe
PID 1380 wrote to memory of 392 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe C:\Windows\system32\dwm.exe
PID 1380 wrote to memory of 2676 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe C:\Windows\system32\sihost.exe
PID 1380 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe C:\Windows\system32\svchost.exe
PID 1380 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe C:\Windows\system32\taskhostw.exe
PID 1380 wrote to memory of 3456 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe C:\Windows\Explorer.EXE
PID 1380 wrote to memory of 3584 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe C:\Windows\system32\svchost.exe
PID 1380 wrote to memory of 3768 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe C:\Windows\system32\DllHost.exe
PID 1380 wrote to memory of 3860 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
PID 1380 wrote to memory of 3924 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe C:\Windows\System32\RuntimeBroker.exe
PID 1380 wrote to memory of 4008 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
PID 1380 wrote to memory of 3696 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe C:\Windows\System32\RuntimeBroker.exe
PID 1380 wrote to memory of 4356 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
PID 1380 wrote to memory of 4460 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe C:\Windows\System32\RuntimeBroker.exe
PID 1380 wrote to memory of 4700 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe C:\Windows\system32\backgroundTaskHost.exe
PID 1380 wrote to memory of 3488 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe C:\Windows\system32\backgroundTaskHost.exe
PID 1380 wrote to memory of 372 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe C:\Windows\System32\Conhost.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\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_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\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\RuntimeBroker.exe

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

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\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-14_810d1208f0ab62dfeed01efa54d9b1cd_bkransomware.exe"

C:\Windows\System32\Conhost.exe

\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.152:443 www.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 152.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 101.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

memory/1380-0-0x0000000000400000-0x0000000000448000-memory.dmp

memory/1380-1-0x00000000007F0000-0x00000000018AA000-memory.dmp

memory/1380-5-0x00000000007F0000-0x00000000018AA000-memory.dmp

memory/1380-3-0x00000000007F0000-0x00000000018AA000-memory.dmp

memory/1380-4-0x00000000007F0000-0x00000000018AA000-memory.dmp

memory/1380-9-0x00000000019F0000-0x00000000019F2000-memory.dmp

memory/1380-8-0x00000000007F0000-0x00000000018AA000-memory.dmp

memory/1380-19-0x00000000019F0000-0x00000000019F2000-memory.dmp

memory/1380-17-0x00000000007F0000-0x00000000018AA000-memory.dmp

memory/1380-20-0x00000000019F0000-0x00000000019F2000-memory.dmp

memory/1380-21-0x00000000007F0000-0x00000000018AA000-memory.dmp

memory/1380-12-0x00000000007F0000-0x00000000018AA000-memory.dmp

memory/1380-7-0x00000000007F0000-0x00000000018AA000-memory.dmp

memory/1380-10-0x0000000001A00000-0x0000000001A01000-memory.dmp

memory/1380-6-0x00000000007F0000-0x00000000018AA000-memory.dmp

memory/1380-34-0x0000000000400000-0x0000000000448000-memory.dmp

memory/1380-25-0x00000000019F0000-0x00000000019F2000-memory.dmp

memory/1380-32-0x00000000007F0000-0x00000000018AA000-memory.dmp

memory/1380-18-0x00000000007F0000-0x00000000018AA000-memory.dmp