Malware Analysis Report

2025-04-03 14:21

Sample ID 241110-devnka1lfr
Target cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b
SHA256 cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b

Threat Level: Known bad

The file cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b 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

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 02:55

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 02:55

Reported

2024-11-10 02:58

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b.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\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b.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\cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b.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\cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b.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\cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b.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\cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b.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\cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b.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\cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b.exe

"C:\Users\Admin\AppData\Local\Temp\cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3968 -ip 3968

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3968 -s 892

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp

Files

memory/3968-1-0x00000000006A0000-0x00000000007A0000-memory.dmp

memory/3968-2-0x00000000005F0000-0x000000000061D000-memory.dmp

memory/3968-3-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3968-4-0x0000000000400000-0x0000000000466000-memory.dmp

memory/3968-5-0x0000000002580000-0x000000000259A000-memory.dmp

memory/3968-6-0x0000000004B70000-0x0000000005114000-memory.dmp

memory/3968-7-0x0000000004B40000-0x0000000004B58000-memory.dmp

memory/3968-8-0x0000000004B40000-0x0000000004B52000-memory.dmp

memory/3968-17-0x0000000004B40000-0x0000000004B52000-memory.dmp

memory/3968-35-0x0000000004B40000-0x0000000004B52000-memory.dmp

memory/3968-33-0x0000000004B40000-0x0000000004B52000-memory.dmp

memory/3968-31-0x0000000004B40000-0x0000000004B52000-memory.dmp

memory/3968-29-0x0000000004B40000-0x0000000004B52000-memory.dmp

memory/3968-27-0x0000000004B40000-0x0000000004B52000-memory.dmp

memory/3968-25-0x0000000004B40000-0x0000000004B52000-memory.dmp

memory/3968-23-0x0000000004B40000-0x0000000004B52000-memory.dmp

memory/3968-21-0x0000000004B40000-0x0000000004B52000-memory.dmp

memory/3968-19-0x0000000004B40000-0x0000000004B52000-memory.dmp

memory/3968-15-0x0000000004B40000-0x0000000004B52000-memory.dmp

memory/3968-13-0x0000000004B40000-0x0000000004B52000-memory.dmp

memory/3968-11-0x0000000004B40000-0x0000000004B52000-memory.dmp

memory/3968-9-0x0000000004B40000-0x0000000004B52000-memory.dmp

memory/3968-36-0x00000000006A0000-0x00000000007A0000-memory.dmp

memory/3968-37-0x00000000005F0000-0x000000000061D000-memory.dmp

memory/3968-38-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3968-41-0x0000000000400000-0x0000000000466000-memory.dmp

memory/3968-42-0x0000000000400000-0x0000000000430000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 02:55

Reported

2024-11-10 02:58

Platform

win7-20240903-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b.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\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b.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\cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b.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\cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b.exe

"C:\Users\Admin\AppData\Local\Temp\cd6283905640a95c9b8d1cc10123ae61c1d7a20d45b67349803ace50aa1f8c7b.exe"

Network

N/A

Files

memory/2280-2-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2280-3-0x0000000000400000-0x0000000000466000-memory.dmp

memory/2280-1-0x00000000004E0000-0x00000000005E0000-memory.dmp

memory/2280-4-0x00000000003E0000-0x00000000003FA000-memory.dmp

memory/2280-5-0x0000000000480000-0x0000000000498000-memory.dmp

memory/2280-6-0x0000000000480000-0x0000000000492000-memory.dmp

memory/2280-7-0x0000000000480000-0x0000000000492000-memory.dmp

memory/2280-9-0x0000000000480000-0x0000000000492000-memory.dmp

memory/2280-11-0x0000000000480000-0x0000000000492000-memory.dmp

memory/2280-13-0x0000000000480000-0x0000000000492000-memory.dmp

memory/2280-27-0x0000000000480000-0x0000000000492000-memory.dmp

memory/2280-33-0x0000000000480000-0x0000000000492000-memory.dmp

memory/2280-31-0x0000000000480000-0x0000000000492000-memory.dmp

memory/2280-29-0x0000000000480000-0x0000000000492000-memory.dmp

memory/2280-25-0x0000000000480000-0x0000000000492000-memory.dmp

memory/2280-23-0x0000000000480000-0x0000000000492000-memory.dmp

memory/2280-21-0x0000000000480000-0x0000000000492000-memory.dmp

memory/2280-19-0x0000000000480000-0x0000000000492000-memory.dmp

memory/2280-17-0x0000000000480000-0x0000000000492000-memory.dmp

memory/2280-15-0x0000000000480000-0x0000000000492000-memory.dmp

memory/2280-34-0x00000000004E0000-0x00000000005E0000-memory.dmp

memory/2280-35-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2280-37-0x0000000000400000-0x0000000000466000-memory.dmp

memory/2280-38-0x0000000000400000-0x0000000000430000-memory.dmp