Malware Analysis Report

2025-08-05 10:16

Sample ID 241109-fxtkbsycma
Target f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8
SHA256 f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8
Tags
healer discovery dropper evasion trojan
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

f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8

Threat Level: Known bad

The file f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8 was found to be: Known bad.

Malicious Activity Summary

healer discovery dropper evasion trojan

Detects Healer an antivirus disabler dropper

Healer

Modifies Windows Defender Real-time Protection settings

Healer family

Windows security modification

Launches sc.exe

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 05:15

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 05:15

Reported

2024-11-09 05:18

Platform

win7-20240903-en

Max time kernel

118s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8.exe"

Signatures

Detects Healer an antivirus disabler dropper

Description Indicator Process Target
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Healer

dropper healer

Healer family

healer

Modifies Windows Defender Real-time Protection settings

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8.exe

"C:\Users\Admin\AppData\Local\Temp\f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8.exe"

Network

N/A

Files

memory/2500-1-0x0000000000290000-0x0000000000390000-memory.dmp

memory/2500-2-0x00000000001B0000-0x00000000001DD000-memory.dmp

memory/2500-3-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2500-4-0x0000000000400000-0x0000000000806000-memory.dmp

memory/2500-5-0x0000000000890000-0x00000000008AA000-memory.dmp

memory/2500-6-0x0000000002360000-0x0000000002378000-memory.dmp

memory/2500-7-0x0000000002360000-0x0000000002372000-memory.dmp

memory/2500-8-0x0000000002360000-0x0000000002372000-memory.dmp

memory/2500-10-0x0000000002360000-0x0000000002372000-memory.dmp

memory/2500-12-0x0000000002360000-0x0000000002372000-memory.dmp

memory/2500-14-0x0000000002360000-0x0000000002372000-memory.dmp

memory/2500-24-0x0000000002360000-0x0000000002372000-memory.dmp

memory/2500-28-0x0000000002360000-0x0000000002372000-memory.dmp

memory/2500-34-0x0000000002360000-0x0000000002372000-memory.dmp

memory/2500-32-0x0000000002360000-0x0000000002372000-memory.dmp

memory/2500-30-0x0000000002360000-0x0000000002372000-memory.dmp

memory/2500-26-0x0000000002360000-0x0000000002372000-memory.dmp

memory/2500-22-0x0000000002360000-0x0000000002372000-memory.dmp

memory/2500-20-0x0000000002360000-0x0000000002372000-memory.dmp

memory/2500-18-0x0000000002360000-0x0000000002372000-memory.dmp

memory/2500-16-0x0000000002360000-0x0000000002372000-memory.dmp

memory/2500-35-0x0000000000290000-0x0000000000390000-memory.dmp

memory/2500-36-0x00000000001B0000-0x00000000001DD000-memory.dmp

memory/2500-37-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2500-40-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2500-39-0x0000000000400000-0x0000000000806000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 05:15

Reported

2024-11-09 05:18

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8.exe"

Signatures

Detects Healer an antivirus disabler dropper

Description Indicator Process Target
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Healer

dropper healer

Healer family

healer

Modifies Windows Defender Real-time Protection settings

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8.exe N/A

Launches sc.exe

Description Indicator Process Target
N/A N/A C:\Windows\system32\sc.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8.exe

"C:\Users\Admin\AppData\Local\Temp\f18a3548dc81b3a8fda328030841ca6603d714c944d1020737b01fa58fbdada8.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2276 -ip 2276

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2276 -s 996

C:\Windows\system32\sc.exe

C:\Windows\system32\sc.exe start wuauserv

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/2276-1-0x0000000000B70000-0x0000000000C70000-memory.dmp

memory/2276-2-0x0000000000960000-0x000000000098D000-memory.dmp

memory/2276-3-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2276-4-0x0000000000400000-0x0000000000806000-memory.dmp

memory/2276-5-0x0000000002700000-0x000000000271A000-memory.dmp

memory/2276-6-0x0000000004FA0000-0x0000000005544000-memory.dmp

memory/2276-7-0x0000000004EF0000-0x0000000004F08000-memory.dmp

memory/2276-8-0x0000000004EF0000-0x0000000004F02000-memory.dmp

memory/2276-11-0x0000000004EF0000-0x0000000004F02000-memory.dmp

memory/2276-33-0x0000000004EF0000-0x0000000004F02000-memory.dmp

memory/2276-32-0x0000000004EF0000-0x0000000004F02000-memory.dmp

memory/2276-29-0x0000000004EF0000-0x0000000004F02000-memory.dmp

memory/2276-27-0x0000000004EF0000-0x0000000004F02000-memory.dmp

memory/2276-25-0x0000000004EF0000-0x0000000004F02000-memory.dmp

memory/2276-35-0x0000000004EF0000-0x0000000004F02000-memory.dmp

memory/2276-23-0x0000000004EF0000-0x0000000004F02000-memory.dmp

memory/2276-21-0x0000000004EF0000-0x0000000004F02000-memory.dmp

memory/2276-19-0x0000000004EF0000-0x0000000004F02000-memory.dmp

memory/2276-17-0x0000000004EF0000-0x0000000004F02000-memory.dmp

memory/2276-15-0x0000000004EF0000-0x0000000004F02000-memory.dmp

memory/2276-13-0x0000000004EF0000-0x0000000004F02000-memory.dmp

memory/2276-9-0x0000000004EF0000-0x0000000004F02000-memory.dmp

memory/2276-36-0x0000000000B70000-0x0000000000C70000-memory.dmp

memory/2276-37-0x0000000000960000-0x000000000098D000-memory.dmp

memory/2276-38-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2276-42-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2276-41-0x0000000000400000-0x0000000000806000-memory.dmp