Malware Analysis Report

2024-10-24 19:57

Sample ID 231105-k1q1tsde6w
Target be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd
SHA256 be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd
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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd

Threat Level: Known bad

The file be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd was found to be: Known bad.

Malicious Activity Summary

healer dropper evasion trojan

Modifies Windows Defender Real-time Protection settings

Detects Healer an antivirus disabler dropper

Healer family

Healer

Windows security modification

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-11-05 09:04

Signatures

Detects Healer an antivirus disabler dropper

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

Healer family

healer

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-05 09:04

Reported

2023-11-05 09:09

Platform

win7-20231023-en

Max time kernel

122s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe"

Signatures

Detects Healer an antivirus disabler dropper

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

Healer

dropper 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\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe

"C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe"

Network

N/A

Files

memory/536-0-0x0000000000EC0000-0x0000000000ECA000-memory.dmp

memory/536-1-0x000007FEF5800000-0x000007FEF61EC000-memory.dmp

memory/536-2-0x000007FEF5800000-0x000007FEF61EC000-memory.dmp

memory/536-3-0x000007FEF5800000-0x000007FEF61EC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-11-05 09:04

Reported

2023-11-05 09:09

Platform

win10-20231025-en

Max time kernel

188s

Max time network

257s

Command Line

"C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe"

Signatures

Detects Healer an antivirus disabler dropper

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

Healer

dropper 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\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe

"C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.143.182.52.in-addr.arpa udp
US 8.8.8.8:53 126.22.238.8.in-addr.arpa udp

Files

memory/604-0-0x0000000000B30000-0x0000000000B3A000-memory.dmp

memory/604-1-0x00007FFC9B370000-0x00007FFC9BD5C000-memory.dmp

memory/604-3-0x00007FFC9B370000-0x00007FFC9BD5C000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2023-11-05 09:04

Reported

2023-11-05 09:09

Platform

win10v2004-20231023-en

Max time kernel

146s

Max time network

271s

Command Line

"C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe"

Signatures

Detects Healer an antivirus disabler dropper

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

Healer

dropper 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\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe

"C:\Users\Admin\AppData\Local\Temp\be21e1c43504edecde5c81ae46ea468a87f4b1962057be21a5ef26e33074e9cd.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 39.142.81.104.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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 170.117.168.52.in-addr.arpa udp

Files

memory/4880-0-0x0000000000850000-0x000000000085A000-memory.dmp

memory/4880-1-0x00007FF903500000-0x00007FF903FC1000-memory.dmp

memory/4880-2-0x00007FF903500000-0x00007FF903FC1000-memory.dmp

memory/4880-4-0x00007FF903500000-0x00007FF903FC1000-memory.dmp