Malware Analysis Report

2024-10-16 03:50

Sample ID 240503-2ezvaaga6w
Target 619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b
SHA256 619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b
Tags
healer 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

619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b

Threat Level: Known bad

The file 619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b was found to be: Known bad.

Malicious Activity Summary

healer dropper evasion trojan

Healer

Modifies Windows Defender Real-time Protection settings

Detects Healer an antivirus disabler dropper

Detects executables embedding registry key / value combination indicative of disabling Windows Defender features

Windows security modification

Unsigned PE

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-03 22:30

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-05-03 22:30

Reported

2024-05-03 22:32

Platform

win7-20240215-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b.exe"

Signatures

Detects Healer an antivirus disabler dropper

Description Indicator Process Target
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Healer

dropper healer

Modifies Windows Defender Real-time Protection settings

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b.exe N/A

Detects executables embedding registry key / value combination indicative of disabling Windows Defender features

Description Indicator Process Target
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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\619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b.exe

"C:\Users\Admin\AppData\Local\Temp\619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b.exe"

Network

N/A

Files

memory/2316-1-0x0000000000670000-0x0000000000770000-memory.dmp

memory/2316-2-0x0000000000250000-0x000000000027D000-memory.dmp

memory/2316-3-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2316-4-0x0000000000400000-0x00000000004CD000-memory.dmp

memory/2316-5-0x0000000000320000-0x000000000033A000-memory.dmp

memory/2316-6-0x00000000003E0000-0x00000000003F8000-memory.dmp

memory/2316-7-0x00000000003E0000-0x00000000003F3000-memory.dmp

memory/2316-22-0x00000000003E0000-0x00000000003F3000-memory.dmp

memory/2316-34-0x00000000003E0000-0x00000000003F3000-memory.dmp

memory/2316-32-0x00000000003E0000-0x00000000003F3000-memory.dmp

memory/2316-30-0x00000000003E0000-0x00000000003F3000-memory.dmp

memory/2316-28-0x00000000003E0000-0x00000000003F3000-memory.dmp

memory/2316-26-0x00000000003E0000-0x00000000003F3000-memory.dmp

memory/2316-24-0x00000000003E0000-0x00000000003F3000-memory.dmp

memory/2316-20-0x00000000003E0000-0x00000000003F3000-memory.dmp

memory/2316-18-0x00000000003E0000-0x00000000003F3000-memory.dmp

memory/2316-16-0x00000000003E0000-0x00000000003F3000-memory.dmp

memory/2316-14-0x00000000003E0000-0x00000000003F3000-memory.dmp

memory/2316-12-0x00000000003E0000-0x00000000003F3000-memory.dmp

memory/2316-10-0x00000000003E0000-0x00000000003F3000-memory.dmp

memory/2316-8-0x00000000003E0000-0x00000000003F3000-memory.dmp

memory/2316-36-0x0000000000400000-0x00000000004CD000-memory.dmp

memory/2316-37-0x0000000000400000-0x0000000000430000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-03 22:30

Reported

2024-05-03 22:32

Platform

win10v2004-20240419-en

Max time kernel

135s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b.exe"

Signatures

Detects Healer an antivirus disabler dropper

Description Indicator Process Target
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Healer

dropper 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\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b.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\619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b.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\619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b.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\619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b.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\619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b.exe N/A

Detects executables embedding registry key / value combination indicative of disabling Windows Defender features

Description Indicator Process Target
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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\619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b.exe

"C:\Users\Admin\AppData\Local\Temp\619b941b935e5a0cbb6ced6fc6c99881f549b25b237cf57236ed7dcceecf955b.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 216 -ip 216

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 216 -s 944

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 17.14.97.104.in-addr.arpa udp
US 8.8.8.8:53 49.15.97.104.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/216-1-0x0000000000810000-0x0000000000910000-memory.dmp

memory/216-3-0x0000000000400000-0x0000000000430000-memory.dmp

memory/216-2-0x00000000020D0000-0x00000000020FD000-memory.dmp

memory/216-4-0x0000000000400000-0x00000000004CD000-memory.dmp

memory/216-5-0x0000000002340000-0x000000000235A000-memory.dmp

memory/216-6-0x0000000004D50000-0x00000000052F4000-memory.dmp

memory/216-7-0x0000000002850000-0x0000000002868000-memory.dmp

memory/216-35-0x0000000002850000-0x0000000002863000-memory.dmp

memory/216-33-0x0000000002850000-0x0000000002863000-memory.dmp

memory/216-31-0x0000000002850000-0x0000000002863000-memory.dmp

memory/216-29-0x0000000002850000-0x0000000002863000-memory.dmp

memory/216-28-0x0000000002850000-0x0000000002863000-memory.dmp

memory/216-25-0x0000000002850000-0x0000000002863000-memory.dmp

memory/216-23-0x0000000002850000-0x0000000002863000-memory.dmp

memory/216-21-0x0000000002850000-0x0000000002863000-memory.dmp

memory/216-19-0x0000000002850000-0x0000000002863000-memory.dmp

memory/216-17-0x0000000002850000-0x0000000002863000-memory.dmp

memory/216-15-0x0000000002850000-0x0000000002863000-memory.dmp

memory/216-13-0x0000000002850000-0x0000000002863000-memory.dmp

memory/216-11-0x0000000002850000-0x0000000002863000-memory.dmp

memory/216-9-0x0000000002850000-0x0000000002863000-memory.dmp

memory/216-8-0x0000000002850000-0x0000000002863000-memory.dmp

memory/216-37-0x0000000000810000-0x0000000000910000-memory.dmp

memory/216-39-0x0000000000400000-0x00000000004CD000-memory.dmp

memory/216-40-0x0000000000400000-0x0000000000430000-memory.dmp