Malware Analysis Report

2024-12-07 04:18

Sample ID 241113-wdn4hawjgs
Target d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.exe
SHA256 d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd
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

d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd

Threat Level: Known bad

The file d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.exe was found to be: Known bad.

Malicious Activity Summary

healer discovery dropper evasion trojan

Healer family

Modifies Windows Defender Real-time Protection settings

Healer

Detects Healer an antivirus disabler dropper

Windows security modification

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

2024-11-13 17:48

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 17:48

Reported

2024-11-13 17:50

Platform

win7-20240903-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.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\d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.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\d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.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\d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.exe

"C:\Users\Admin\AppData\Local\Temp\d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.exe"

Network

N/A

Files

memory/2644-2-0x0000000002B10000-0x0000000002B3D000-memory.dmp

memory/2644-1-0x0000000000270000-0x0000000000370000-memory.dmp

memory/2644-3-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2644-4-0x0000000002B80000-0x0000000002B9A000-memory.dmp

memory/2644-5-0x00000000044B0000-0x00000000044C8000-memory.dmp

memory/2644-6-0x0000000000400000-0x0000000002B03000-memory.dmp

memory/2644-34-0x00000000044B0000-0x00000000044C2000-memory.dmp

memory/2644-32-0x00000000044B0000-0x00000000044C2000-memory.dmp

memory/2644-30-0x00000000044B0000-0x00000000044C2000-memory.dmp

memory/2644-28-0x00000000044B0000-0x00000000044C2000-memory.dmp

memory/2644-24-0x00000000044B0000-0x00000000044C2000-memory.dmp

memory/2644-22-0x00000000044B0000-0x00000000044C2000-memory.dmp

memory/2644-20-0x00000000044B0000-0x00000000044C2000-memory.dmp

memory/2644-18-0x00000000044B0000-0x00000000044C2000-memory.dmp

memory/2644-16-0x00000000044B0000-0x00000000044C2000-memory.dmp

memory/2644-14-0x00000000044B0000-0x00000000044C2000-memory.dmp

memory/2644-12-0x00000000044B0000-0x00000000044C2000-memory.dmp

memory/2644-10-0x00000000044B0000-0x00000000044C2000-memory.dmp

memory/2644-8-0x00000000044B0000-0x00000000044C2000-memory.dmp

memory/2644-7-0x00000000044B0000-0x00000000044C2000-memory.dmp

memory/2644-26-0x00000000044B0000-0x00000000044C2000-memory.dmp

memory/2644-35-0x0000000000270000-0x0000000000370000-memory.dmp

memory/2644-36-0x0000000002B10000-0x0000000002B3D000-memory.dmp

memory/2644-37-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2644-39-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2644-41-0x0000000000400000-0x0000000002B03000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 17:48

Reported

2024-11-13 17:50

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

98s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.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\d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.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\d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.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\d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.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\d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.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\d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.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\d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.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\d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.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\d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.exe

"C:\Users\Admin\AppData\Local\Temp\d4922c13d2cec9f06d6d82cd79a2d774198f6d99be6b0cbc38e949a8255f8abd.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5028 -ip 5028

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5028 -s 948

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 101.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 68.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/5028-1-0x0000000002C80000-0x0000000002D80000-memory.dmp

memory/5028-3-0x0000000000400000-0x0000000000430000-memory.dmp

memory/5028-2-0x0000000004850000-0x000000000487D000-memory.dmp

memory/5028-4-0x0000000004CF0000-0x0000000004D0A000-memory.dmp

memory/5028-5-0x0000000000400000-0x0000000002B03000-memory.dmp

memory/5028-6-0x00000000073D0000-0x0000000007974000-memory.dmp

memory/5028-7-0x0000000004D80000-0x0000000004D98000-memory.dmp

memory/5028-21-0x0000000004D80000-0x0000000004D92000-memory.dmp

memory/5028-35-0x0000000004D80000-0x0000000004D92000-memory.dmp

memory/5028-33-0x0000000004D80000-0x0000000004D92000-memory.dmp

memory/5028-31-0x0000000004D80000-0x0000000004D92000-memory.dmp

memory/5028-30-0x0000000004D80000-0x0000000004D92000-memory.dmp

memory/5028-27-0x0000000004D80000-0x0000000004D92000-memory.dmp

memory/5028-25-0x0000000004D80000-0x0000000004D92000-memory.dmp

memory/5028-23-0x0000000004D80000-0x0000000004D92000-memory.dmp

memory/5028-19-0x0000000004D80000-0x0000000004D92000-memory.dmp

memory/5028-17-0x0000000004D80000-0x0000000004D92000-memory.dmp

memory/5028-15-0x0000000004D80000-0x0000000004D92000-memory.dmp

memory/5028-13-0x0000000004D80000-0x0000000004D92000-memory.dmp

memory/5028-11-0x0000000004D80000-0x0000000004D92000-memory.dmp

memory/5028-9-0x0000000004D80000-0x0000000004D92000-memory.dmp

memory/5028-8-0x0000000004D80000-0x0000000004D92000-memory.dmp

memory/5028-36-0x0000000002C80000-0x0000000002D80000-memory.dmp

memory/5028-37-0x0000000004850000-0x000000000487D000-memory.dmp

memory/5028-38-0x0000000000400000-0x0000000000430000-memory.dmp

memory/5028-42-0x0000000000400000-0x0000000000430000-memory.dmp

memory/5028-41-0x0000000000400000-0x0000000002B03000-memory.dmp