Malware Analysis Report

2024-12-06 02:40

Sample ID 241110-a9q23swcrh
Target b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN
SHA256 b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298a
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

b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298a

Threat Level: Known bad

The file b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN was found to be: Known bad.

Malicious Activity Summary

healer discovery dropper evasion trojan

Detects Healer an antivirus disabler dropper

Healer

Healer family

Modifies Windows Defender Real-time Protection settings

Windows security modification

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 00:54

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 00:54

Reported

2024-11-10 00:57

Platform

win7-20240903-en

Max time kernel

21s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN.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\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN.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\b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN.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\b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN.exe

"C:\Users\Admin\AppData\Local\Temp\b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN.exe"

Network

N/A

Files

memory/2892-1-0x00000000009C0000-0x0000000000AC0000-memory.dmp

memory/2892-2-0x0000000000250000-0x000000000027D000-memory.dmp

memory/2892-3-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2892-4-0x0000000000400000-0x000000000080A000-memory.dmp

memory/2892-5-0x0000000002200000-0x000000000221A000-memory.dmp

memory/2892-6-0x00000000023E0000-0x00000000023F8000-memory.dmp

memory/2892-7-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/2892-8-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/2892-10-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/2892-12-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/2892-14-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/2892-16-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/2892-18-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/2892-22-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/2892-34-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/2892-32-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/2892-30-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/2892-28-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/2892-26-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/2892-24-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/2892-20-0x00000000023E0000-0x00000000023F2000-memory.dmp

memory/2892-35-0x00000000009C0000-0x0000000000AC0000-memory.dmp

memory/2892-36-0x0000000000250000-0x000000000027D000-memory.dmp

memory/2892-37-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2892-39-0x0000000000400000-0x000000000080A000-memory.dmp

memory/2892-40-0x0000000000400000-0x0000000000430000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 00:54

Reported

2024-11-10 00:57

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN.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\b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN.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\b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN.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\b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN.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\b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN.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\b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN.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\b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN.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\b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN.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\b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN.exe

"C:\Users\Admin\AppData\Local\Temp\b52fd34dee3b9171c50b5c722465dbe89c2d1cd0f7b0ccf75b1392dfb742298aN.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1052 -ip 1052

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1052 -s 948

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

memory/1052-1-0x0000000000970000-0x0000000000A70000-memory.dmp

memory/1052-2-0x00000000008D0000-0x00000000008FD000-memory.dmp

memory/1052-3-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1052-4-0x0000000000400000-0x000000000080A000-memory.dmp

memory/1052-5-0x00000000027A0000-0x00000000027BA000-memory.dmp

memory/1052-6-0x0000000005190000-0x0000000005734000-memory.dmp

memory/1052-7-0x0000000002A70000-0x0000000002A88000-memory.dmp

memory/1052-11-0x0000000002A70000-0x0000000002A82000-memory.dmp

memory/1052-35-0x0000000002A70000-0x0000000002A82000-memory.dmp

memory/1052-33-0x0000000002A70000-0x0000000002A82000-memory.dmp

memory/1052-32-0x0000000002A70000-0x0000000002A82000-memory.dmp

memory/1052-30-0x0000000002A70000-0x0000000002A82000-memory.dmp

memory/1052-28-0x0000000002A70000-0x0000000002A82000-memory.dmp

memory/1052-25-0x0000000002A70000-0x0000000002A82000-memory.dmp

memory/1052-23-0x0000000002A70000-0x0000000002A82000-memory.dmp

memory/1052-21-0x0000000002A70000-0x0000000002A82000-memory.dmp

memory/1052-19-0x0000000002A70000-0x0000000002A82000-memory.dmp

memory/1052-17-0x0000000002A70000-0x0000000002A82000-memory.dmp

memory/1052-15-0x0000000002A70000-0x0000000002A82000-memory.dmp

memory/1052-13-0x0000000002A70000-0x0000000002A82000-memory.dmp

memory/1052-9-0x0000000002A70000-0x0000000002A82000-memory.dmp

memory/1052-8-0x0000000002A70000-0x0000000002A82000-memory.dmp

memory/1052-36-0x0000000000970000-0x0000000000A70000-memory.dmp

memory/1052-37-0x00000000008D0000-0x00000000008FD000-memory.dmp

memory/1052-38-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1052-42-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1052-41-0x0000000000400000-0x000000000080A000-memory.dmp