Malware Analysis Report

2024-12-06 02:55

Sample ID 241110-cczn3axanl
Target b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4
SHA256 b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4
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

b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4

Threat Level: Known bad

The file b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4 was found to be: Known bad.

Malicious Activity Summary

healer discovery dropper evasion trojan

Healer family

Detects Healer an antivirus disabler dropper

Healer

Modifies Windows Defender Real-time Protection settings

Windows security modification

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 01:56

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 01:56

Reported

2024-11-10 01:59

Platform

win7-20240903-en

Max time kernel

118s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4.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\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4.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\b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4.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\b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4.exe

"C:\Users\Admin\AppData\Local\Temp\b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4.exe"

Network

N/A

Files

memory/2516-1-0x00000000006F0000-0x00000000007F0000-memory.dmp

memory/2516-3-0x0000000000400000-0x00000000005A3000-memory.dmp

memory/2516-2-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2516-4-0x0000000000400000-0x00000000005A3000-memory.dmp

memory/2516-5-0x00000000003C0000-0x00000000003DA000-memory.dmp

memory/2516-6-0x0000000002070000-0x0000000002088000-memory.dmp

memory/2516-14-0x0000000002070000-0x0000000002082000-memory.dmp

memory/2516-7-0x0000000002070000-0x0000000002082000-memory.dmp

memory/2516-8-0x0000000002070000-0x0000000002082000-memory.dmp

memory/2516-12-0x0000000002070000-0x0000000002082000-memory.dmp

memory/2516-28-0x0000000002070000-0x0000000002082000-memory.dmp

memory/2516-34-0x0000000002070000-0x0000000002082000-memory.dmp

memory/2516-32-0x0000000002070000-0x0000000002082000-memory.dmp

memory/2516-30-0x0000000002070000-0x0000000002082000-memory.dmp

memory/2516-26-0x0000000002070000-0x0000000002082000-memory.dmp

memory/2516-25-0x0000000002070000-0x0000000002082000-memory.dmp

memory/2516-22-0x0000000002070000-0x0000000002082000-memory.dmp

memory/2516-20-0x0000000002070000-0x0000000002082000-memory.dmp

memory/2516-18-0x0000000002070000-0x0000000002082000-memory.dmp

memory/2516-16-0x0000000002070000-0x0000000002082000-memory.dmp

memory/2516-10-0x0000000002070000-0x0000000002082000-memory.dmp

memory/2516-35-0x00000000006F0000-0x00000000007F0000-memory.dmp

memory/2516-36-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2516-39-0x0000000000400000-0x00000000005A3000-memory.dmp

memory/2516-40-0x0000000000400000-0x0000000000430000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 01:56

Reported

2024-11-10 01:59

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4.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\b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4.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\b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4.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\b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4.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\b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4.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\b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4.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\b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4.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\b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4.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\b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4.exe

"C:\Users\Admin\AppData\Local\Temp\b5141a26d9940a7070ecaa4fa27b6bcfaba50b01c0fe40cbb4bdc9ae3eced6c4.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4656 -ip 4656

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 948

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp

Files

memory/4656-1-0x00000000007C0000-0x00000000008C0000-memory.dmp

memory/4656-2-0x0000000000740000-0x000000000076D000-memory.dmp

memory/4656-3-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4656-4-0x0000000000400000-0x00000000005A3000-memory.dmp

memory/4656-5-0x0000000002500000-0x000000000251A000-memory.dmp

memory/4656-6-0x0000000004D40000-0x00000000052E4000-memory.dmp

memory/4656-7-0x0000000004C80000-0x0000000004C98000-memory.dmp

memory/4656-8-0x0000000004C80000-0x0000000004C92000-memory.dmp

memory/4656-35-0x0000000004C80000-0x0000000004C92000-memory.dmp

memory/4656-34-0x0000000004C80000-0x0000000004C92000-memory.dmp

memory/4656-31-0x0000000004C80000-0x0000000004C92000-memory.dmp

memory/4656-29-0x0000000004C80000-0x0000000004C92000-memory.dmp

memory/4656-27-0x0000000004C80000-0x0000000004C92000-memory.dmp

memory/4656-25-0x0000000004C80000-0x0000000004C92000-memory.dmp

memory/4656-23-0x0000000004C80000-0x0000000004C92000-memory.dmp

memory/4656-21-0x0000000004C80000-0x0000000004C92000-memory.dmp

memory/4656-19-0x0000000004C80000-0x0000000004C92000-memory.dmp

memory/4656-17-0x0000000004C80000-0x0000000004C92000-memory.dmp

memory/4656-15-0x0000000004C80000-0x0000000004C92000-memory.dmp

memory/4656-13-0x0000000004C80000-0x0000000004C92000-memory.dmp

memory/4656-11-0x0000000004C80000-0x0000000004C92000-memory.dmp

memory/4656-9-0x0000000004C80000-0x0000000004C92000-memory.dmp

memory/4656-36-0x00000000007C0000-0x00000000008C0000-memory.dmp

memory/4656-37-0x0000000000740000-0x000000000076D000-memory.dmp

memory/4656-38-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4656-41-0x0000000000400000-0x00000000005A3000-memory.dmp

memory/4656-42-0x0000000000400000-0x0000000000430000-memory.dmp