Malware Analysis Report

2024-12-06 02:42

Sample ID 241110-a2skyawaqn
Target b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN
SHA256 b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0a
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

b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0a

Threat Level: Known bad

The file b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN 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

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 00:42

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 00:42

Reported

2024-11-10 00:44

Platform

win7-20241010-en

Max time kernel

13s

Max time network

18s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN.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\b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN.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\b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN.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\b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN.exe

"C:\Users\Admin\AppData\Local\Temp\b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN.exe"

Network

N/A

Files

memory/2380-1-0x0000000000270000-0x0000000000370000-memory.dmp

memory/2380-2-0x00000000004D0000-0x00000000004FD000-memory.dmp

memory/2380-3-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2380-4-0x0000000000400000-0x00000000004CD000-memory.dmp

memory/2380-5-0x00000000005F0000-0x000000000060A000-memory.dmp

memory/2380-6-0x00000000020C0000-0x00000000020D8000-memory.dmp

memory/2380-7-0x00000000020C0000-0x00000000020D3000-memory.dmp

memory/2380-34-0x00000000020C0000-0x00000000020D3000-memory.dmp

memory/2380-32-0x00000000020C0000-0x00000000020D3000-memory.dmp

memory/2380-30-0x00000000020C0000-0x00000000020D3000-memory.dmp

memory/2380-28-0x00000000020C0000-0x00000000020D3000-memory.dmp

memory/2380-26-0x00000000020C0000-0x00000000020D3000-memory.dmp

memory/2380-22-0x00000000020C0000-0x00000000020D3000-memory.dmp

memory/2380-20-0x00000000020C0000-0x00000000020D3000-memory.dmp

memory/2380-19-0x00000000020C0000-0x00000000020D3000-memory.dmp

memory/2380-16-0x00000000020C0000-0x00000000020D3000-memory.dmp

memory/2380-14-0x00000000020C0000-0x00000000020D3000-memory.dmp

memory/2380-12-0x00000000020C0000-0x00000000020D3000-memory.dmp

memory/2380-10-0x00000000020C0000-0x00000000020D3000-memory.dmp

memory/2380-8-0x00000000020C0000-0x00000000020D3000-memory.dmp

memory/2380-24-0x00000000020C0000-0x00000000020D3000-memory.dmp

memory/2380-35-0x0000000000270000-0x0000000000370000-memory.dmp

memory/2380-36-0x00000000004D0000-0x00000000004FD000-memory.dmp

memory/2380-37-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2380-39-0x0000000000400000-0x00000000004CD000-memory.dmp

memory/2380-40-0x0000000000400000-0x0000000000430000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 00:42

Reported

2024-11-10 00:44

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN.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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN.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\b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN.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\b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN.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\b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN.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\b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN.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\b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN.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\b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN.exe

"C:\Users\Admin\AppData\Local\Temp\b48cf64a5020a9897be0e1b2b9f94fe0d27360cc0ddef93c2388b396e0448f0aN.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2524 -ip 2524

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 952

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/2524-2-0x0000000002210000-0x000000000223D000-memory.dmp

memory/2524-1-0x0000000000700000-0x0000000000800000-memory.dmp

memory/2524-3-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2524-4-0x0000000000400000-0x00000000004CD000-memory.dmp

memory/2524-5-0x0000000002350000-0x000000000236A000-memory.dmp

memory/2524-6-0x0000000004D70000-0x0000000005314000-memory.dmp

memory/2524-7-0x0000000002610000-0x0000000002628000-memory.dmp

memory/2524-29-0x0000000002610000-0x0000000002623000-memory.dmp

memory/2524-35-0x0000000002610000-0x0000000002623000-memory.dmp

memory/2524-33-0x0000000002610000-0x0000000002623000-memory.dmp

memory/2524-31-0x0000000002610000-0x0000000002623000-memory.dmp

memory/2524-13-0x0000000002610000-0x0000000002623000-memory.dmp

memory/2524-27-0x0000000002610000-0x0000000002623000-memory.dmp

memory/2524-25-0x0000000002610000-0x0000000002623000-memory.dmp

memory/2524-23-0x0000000002610000-0x0000000002623000-memory.dmp

memory/2524-21-0x0000000002610000-0x0000000002623000-memory.dmp

memory/2524-19-0x0000000002610000-0x0000000002623000-memory.dmp

memory/2524-17-0x0000000002610000-0x0000000002623000-memory.dmp

memory/2524-15-0x0000000002610000-0x0000000002623000-memory.dmp

memory/2524-11-0x0000000002610000-0x0000000002623000-memory.dmp

memory/2524-9-0x0000000002610000-0x0000000002623000-memory.dmp

memory/2524-8-0x0000000002610000-0x0000000002623000-memory.dmp

memory/2524-36-0x0000000000700000-0x0000000000800000-memory.dmp

memory/2524-37-0x0000000002210000-0x000000000223D000-memory.dmp

memory/2524-38-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2524-41-0x0000000000400000-0x00000000004CD000-memory.dmp

memory/2524-42-0x0000000000400000-0x0000000000430000-memory.dmp