Malware Analysis Report

2024-09-11 12:21

Sample ID 240615-pvykyavckq
Target 2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker
SHA256 fcc3cf6c4310bd23e6201727d98916fd9831041ef90710a37193b5986b09335e
Tags
sality backdoor evasion trojan upx
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

fcc3cf6c4310bd23e6201727d98916fd9831041ef90710a37193b5986b09335e

Threat Level: Known bad

The file 2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker 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

Disables RegEdit via registry modification

Disables Task Manager via registry modification

Windows security modification

UPX packed file

Checks whether UAC is enabled

Drops file in Windows directory

Unsigned PE

System policy modification

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

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

2024-06-15 12:39

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-15 12:39

Reported

2024-06-15 12:42

Platform

win7-20240508-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.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\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.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\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.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\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A

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
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UPX dump on OEP (original entry point)

Description Indicator Process Target
N/A N/A N/A N/A
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Disables RegEdit via registry modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Policies\system\DisableRegistryTools = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A

Disables Task Manager via registry modification

evasion

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
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\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.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\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\SYSTEM.INI C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.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\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe"

Network

N/A

Files

memory/616-0-0x0000000000F80000-0x000000000107C000-memory.dmp

memory/616-1-0x0000000002480000-0x000000000350E000-memory.dmp

memory/616-3-0x0000000002480000-0x000000000350E000-memory.dmp

memory/616-5-0x0000000002480000-0x000000000350E000-memory.dmp

memory/616-10-0x0000000000F80000-0x000000000107C000-memory.dmp

memory/616-4-0x0000000002480000-0x000000000350E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-15 12:39

Reported

2024-06-15 12:42

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

151s

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\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.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\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.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\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A

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
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UPX dump on OEP (original entry point)

Description Indicator Process Target
N/A N/A N/A N/A
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Disables RegEdit via registry modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system\DisableRegistryTools = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A

Disables Task Manager via registry modification

evasion

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
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\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.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\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\SYSTEM.INI C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4224 wrote to memory of 788 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe C:\Windows\system32\fontdrvhost.exe
PID 4224 wrote to memory of 792 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe C:\Windows\system32\fontdrvhost.exe
PID 4224 wrote to memory of 384 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe C:\Windows\system32\dwm.exe
PID 4224 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe C:\Windows\system32\sihost.exe
PID 4224 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe C:\Windows\system32\svchost.exe
PID 4224 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe C:\Windows\system32\taskhostw.exe
PID 4224 wrote to memory of 3432 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe C:\Windows\Explorer.EXE
PID 4224 wrote to memory of 3668 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe C:\Windows\system32\svchost.exe
PID 4224 wrote to memory of 3860 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe C:\Windows\system32\DllHost.exe
PID 4224 wrote to memory of 3948 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
PID 4224 wrote to memory of 4012 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe C:\Windows\System32\RuntimeBroker.exe
PID 4224 wrote to memory of 4088 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
PID 4224 wrote to memory of 3512 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe C:\Windows\System32\RuntimeBroker.exe
PID 4224 wrote to memory of 4344 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
PID 4224 wrote to memory of 1244 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe C:\Windows\System32\RuntimeBroker.exe
PID 4224 wrote to memory of 3228 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe C:\Windows\system32\backgroundTaskHost.exe
PID 4224 wrote to memory of 4432 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe C:\Windows\system32\backgroundTaskHost.exe
PID 4224 wrote to memory of 2328 N/A C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.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\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.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\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-15_df42d89cd6441b780ec0bfaa2f5bf589_avoslocker.exe"

C:\Windows\System32\Conhost.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
BE 2.17.107.123:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 123.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 90.16.208.104.in-addr.arpa udp

Files

memory/4224-0-0x0000000000C40000-0x0000000000D3C000-memory.dmp

memory/4224-4-0x0000000002EE0000-0x0000000003F6E000-memory.dmp

memory/4224-3-0x0000000002EE0000-0x0000000003F6E000-memory.dmp

memory/4224-7-0x0000000002EE0000-0x0000000003F6E000-memory.dmp

memory/4224-9-0x0000000002EE0000-0x0000000003F6E000-memory.dmp

memory/4224-10-0x0000000002EE0000-0x0000000003F6E000-memory.dmp

memory/4224-11-0x0000000002EE0000-0x0000000003F6E000-memory.dmp

memory/4224-21-0x0000000002EE0000-0x0000000003F6E000-memory.dmp

memory/4224-27-0x0000000000C40000-0x0000000000D3C000-memory.dmp

memory/4224-18-0x0000000004D80000-0x0000000004D82000-memory.dmp

memory/4224-14-0x0000000004D80000-0x0000000004D82000-memory.dmp

memory/4224-13-0x0000000004ED0000-0x0000000004ED1000-memory.dmp

memory/4224-12-0x0000000004D80000-0x0000000004D82000-memory.dmp

memory/4224-6-0x0000000002EE0000-0x0000000003F6E000-memory.dmp

memory/4224-5-0x0000000002EE0000-0x0000000003F6E000-memory.dmp

memory/4224-8-0x0000000002EE0000-0x0000000003F6E000-memory.dmp

memory/4224-1-0x0000000002EE0000-0x0000000003F6E000-memory.dmp