Malware Analysis Report

2025-08-10 15:04

Sample ID 241111-m3k9gaycpp
Target e91da56042cb38a9ddf26ae132c623d6125bf34a50628f69521006caeb3b48d8N
SHA256 e91da56042cb38a9ddf26ae132c623d6125bf34a50628f69521006caeb3b48d8
Tags
healer discovery dropper evasion persistence 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 Overview

score
10/10

SHA256

e91da56042cb38a9ddf26ae132c623d6125bf34a50628f69521006caeb3b48d8

Threat Level: Known bad

The file e91da56042cb38a9ddf26ae132c623d6125bf34a50628f69521006caeb3b48d8N was found to be: Known bad.

Malicious Activity Summary

healer discovery dropper evasion persistence trojan

Detects Healer an antivirus disabler dropper

Healer

Healer family

Modifies Windows Defender Real-time Protection settings

Windows security modification

Executes dropped EXE

Adds Run key to start application

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 10:59

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 10:59

Reported

2024-11-11 11:01

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e91da56042cb38a9ddf26ae132c623d6125bf34a50628f69521006caeb3b48d8N.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\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b6202QA.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b6202QA.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b6202QA.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\IXP000.TMP\c79eI25.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\IXP000.TMP\c79eI25.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\IXP000.TMP\c79eI25.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\IXP000.TMP\c79eI25.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\IXP000.TMP\c79eI25.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b6202QA.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b6202QA.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b6202QA.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c79eI25.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b6202QA.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c79eI25.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\IXP000.TMP\b6202QA.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c79eI25.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c79eI25.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\e91da56042cb38a9ddf26ae132c623d6125bf34a50628f69521006caeb3b48d8N.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\e91da56042cb38a9ddf26ae132c623d6125bf34a50628f69521006caeb3b48d8N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c79eI25.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b6202QA.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c79eI25.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e91da56042cb38a9ddf26ae132c623d6125bf34a50628f69521006caeb3b48d8N.exe

"C:\Users\Admin\AppData\Local\Temp\e91da56042cb38a9ddf26ae132c623d6125bf34a50628f69521006caeb3b48d8N.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b6202QA.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b6202QA.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c79eI25.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c79eI25.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1048 -ip 1048

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1048 -s 1100

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b6202QA.exe

MD5 7e93bacbbc33e6652e147e7fe07572a0
SHA1 421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256 850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512 250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

memory/704-7-0x00007FF8CDE53000-0x00007FF8CDE55000-memory.dmp

memory/704-8-0x0000000000010000-0x000000000001A000-memory.dmp

memory/704-9-0x00007FF8CDE53000-0x00007FF8CDE55000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c79eI25.exe

MD5 87fdb2616cdd76d9350185b156701651
SHA1 7fdf84d01f1483a62b58ca49f7b6a611d4f3dcbd
SHA256 c67ca9d7889ab72b29cf894975dc011f98a5f05c978f703d5f74c106c692d23f
SHA512 3037c42e038fb974a976d2750a876b46aabd8236a3a2f4f8cddfa7ecd584608cec86e130bc3af974df56d75ff0bed1ea0ca1948fe3fdeda1016cbd33807afe71

memory/1048-15-0x0000000000820000-0x0000000000920000-memory.dmp

memory/1048-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1048-16-0x0000000002130000-0x000000000215D000-memory.dmp

memory/1048-18-0x0000000002330000-0x000000000234A000-memory.dmp

memory/1048-19-0x0000000004E40000-0x00000000053E4000-memory.dmp

memory/1048-20-0x0000000002510000-0x0000000002528000-memory.dmp

memory/1048-21-0x0000000002510000-0x0000000002522000-memory.dmp

memory/1048-28-0x0000000002510000-0x0000000002522000-memory.dmp

memory/1048-48-0x0000000002510000-0x0000000002522000-memory.dmp

memory/1048-46-0x0000000002510000-0x0000000002522000-memory.dmp

memory/1048-44-0x0000000002510000-0x0000000002522000-memory.dmp

memory/1048-42-0x0000000002510000-0x0000000002522000-memory.dmp

memory/1048-40-0x0000000002510000-0x0000000002522000-memory.dmp

memory/1048-38-0x0000000002510000-0x0000000002522000-memory.dmp

memory/1048-36-0x0000000002510000-0x0000000002522000-memory.dmp

memory/1048-34-0x0000000002510000-0x0000000002522000-memory.dmp

memory/1048-33-0x0000000002510000-0x0000000002522000-memory.dmp

memory/1048-30-0x0000000002510000-0x0000000002522000-memory.dmp

memory/1048-26-0x0000000002510000-0x0000000002522000-memory.dmp

memory/1048-24-0x0000000002510000-0x0000000002522000-memory.dmp

memory/1048-22-0x0000000002510000-0x0000000002522000-memory.dmp

memory/1048-49-0x0000000000820000-0x0000000000920000-memory.dmp

memory/1048-50-0x0000000002130000-0x000000000215D000-memory.dmp

memory/1048-52-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1048-51-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/1048-54-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/1048-55-0x0000000000400000-0x0000000000430000-memory.dmp