Malware Analysis Report

2025-05-06 00:50

Sample ID 241109-y9e7ks1jfz
Target 221cc2d8333e1ccd5d007aedce7ff2a61dc59088358930ed9aa554df34ed7152
SHA256 221cc2d8333e1ccd5d007aedce7ff2a61dc59088358930ed9aa554df34ed7152
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

221cc2d8333e1ccd5d007aedce7ff2a61dc59088358930ed9aa554df34ed7152

Threat Level: Known bad

The file 221cc2d8333e1ccd5d007aedce7ff2a61dc59088358930ed9aa554df34ed7152 was found to be: Known bad.

Malicious Activity Summary

healer discovery dropper evasion persistence trojan

Healer family

Detects Healer an antivirus disabler dropper

Healer

Modifies Windows Defender Real-time Protection settings

Windows security modification

Executes dropped EXE

Adds Run key to start application

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 20:28

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 20:28

Reported

2024-11-09 20:31

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

131s

Command Line

"C:\Users\Admin\AppData\Local\Temp\221cc2d8333e1ccd5d007aedce7ff2a61dc59088358930ed9aa554df34ed7152.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\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b3325QV.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\b3325QV.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\b3325QV.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c89rW63.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\c89rW63.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b3325QV.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\b3325QV.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\b3325QV.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\c89rW63.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\c89rW63.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\c89rW63.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\c89rW63.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b3325QV.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c89rW63.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\b3325QV.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c89rW63.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c89rW63.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\221cc2d8333e1ccd5d007aedce7ff2a61dc59088358930ed9aa554df34ed7152.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\221cc2d8333e1ccd5d007aedce7ff2a61dc59088358930ed9aa554df34ed7152.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c89rW63.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b3325QV.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c89rW63.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\221cc2d8333e1ccd5d007aedce7ff2a61dc59088358930ed9aa554df34ed7152.exe

"C:\Users\Admin\AppData\Local\Temp\221cc2d8333e1ccd5d007aedce7ff2a61dc59088358930ed9aa554df34ed7152.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b3325QV.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b3325QV.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c89rW63.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c89rW63.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1476 -ip 1476

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1476 -s 1084

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b3325QV.exe

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

memory/4024-7-0x00007FF8025F3000-0x00007FF8025F5000-memory.dmp

memory/4024-8-0x0000000000120000-0x000000000012A000-memory.dmp

memory/4024-9-0x00007FF8025F3000-0x00007FF8025F5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c89rW63.exe

MD5 965d7f258e149b3b0ea2b729ef34f7c8
SHA1 51394b58fb288522efb2e68fd6fc53d6c9453b2e
SHA256 ac98c0f963283174851218eb560d00912375c3a2ef25956f65430d08fc88ec49
SHA512 b5ce86a9678b5f1f5f9a59b59851d53bbc4792de1e76eec61d0128ee523f8194627eb499b465792cf0ca935819700d0e213bb22561950d0151cfd8ed98d7e319

memory/1476-15-0x00000000006B0000-0x00000000007B0000-memory.dmp

memory/1476-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1476-16-0x0000000000630000-0x000000000065D000-memory.dmp

memory/1476-18-0x0000000002280000-0x000000000229A000-memory.dmp

memory/1476-19-0x0000000004C10000-0x00000000051B4000-memory.dmp

memory/1476-20-0x0000000004A60000-0x0000000004A78000-memory.dmp

memory/1476-21-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/1476-28-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/1476-48-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/1476-46-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/1476-44-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/1476-42-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/1476-40-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/1476-38-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/1476-36-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/1476-34-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/1476-32-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/1476-30-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/1476-26-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/1476-24-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/1476-22-0x0000000004A60000-0x0000000004A72000-memory.dmp

memory/1476-49-0x00000000006B0000-0x00000000007B0000-memory.dmp

memory/1476-50-0x0000000000630000-0x000000000065D000-memory.dmp

memory/1476-51-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/1476-52-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1476-54-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/1476-55-0x0000000000400000-0x0000000000430000-memory.dmp