Malware Analysis Report

2024-12-07 11:37

Sample ID 241113-t6q3fsvhkc
Target 53388fadc385b2750b46d97eb4e664a8acf84b0f5c3b1999bba8f339e130e3fcN
SHA256 53388fadc385b2750b46d97eb4e664a8acf84b0f5c3b1999bba8f339e130e3fc
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

53388fadc385b2750b46d97eb4e664a8acf84b0f5c3b1999bba8f339e130e3fc

Threat Level: Known bad

The file 53388fadc385b2750b46d97eb4e664a8acf84b0f5c3b1999bba8f339e130e3fcN was found to be: Known bad.

Malicious Activity Summary

healer discovery dropper evasion persistence trojan

Detects Healer an antivirus disabler dropper

Modifies Windows Defender Real-time Protection settings

Healer family

Healer

Windows security modification

Executes dropped EXE

Adds Run key to start application

Program crash

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 16:40

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 16:40

Reported

2024-11-13 16:42

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

99s

Command Line

"C:\Users\Admin\AppData\Local\Temp\53388fadc385b2750b46d97eb4e664a8acf84b0f5c3b1999bba8f339e130e3fcN.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\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b8628hp.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c67cJ48.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\c67cJ48.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\c67cJ48.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b8628hp.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\b8628hp.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\b8628hp.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\b8628hp.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\b8628hp.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\c67cJ48.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\c67cJ48.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\c67cJ48.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b8628hp.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c67cJ48.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\b8628hp.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c67cJ48.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c67cJ48.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\53388fadc385b2750b46d97eb4e664a8acf84b0f5c3b1999bba8f339e130e3fcN.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\53388fadc385b2750b46d97eb4e664a8acf84b0f5c3b1999bba8f339e130e3fcN.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c67cJ48.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b8628hp.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c67cJ48.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\53388fadc385b2750b46d97eb4e664a8acf84b0f5c3b1999bba8f339e130e3fcN.exe

"C:\Users\Admin\AppData\Local\Temp\53388fadc385b2750b46d97eb4e664a8acf84b0f5c3b1999bba8f339e130e3fcN.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b8628hp.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b8628hp.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c67cJ48.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c67cJ48.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4516 -ip 4516

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4516 -s 1088

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.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 28.118.140.52.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\b8628hp.exe

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

memory/4740-7-0x00007FFDC0293000-0x00007FFDC0295000-memory.dmp

memory/4740-8-0x0000000000B40000-0x0000000000B4A000-memory.dmp

memory/4740-9-0x00007FFDC0293000-0x00007FFDC0295000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c67cJ48.exe

MD5 bc4647d6eaef9f74ed139b456107f067
SHA1 103cd2294a8b27fbffee5fd02f879e8b4f0ce1c3
SHA256 9e6fceffd59ddf86cbd8127e9511f86aba4401723dda989fcf4724d29566da21
SHA512 a60e64767d68ac0fe97da2fd039add50df2f9e47226f7548901673e5762689d86a84422375b94bf3bfcc80897c93ede61101079c9689fba0f0fcd0c3fc42f8b1

memory/4516-15-0x0000000002EA0000-0x0000000002FA0000-memory.dmp

memory/4516-16-0x0000000002C70000-0x0000000002C9D000-memory.dmp

memory/4516-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4516-18-0x00000000049D0000-0x00000000049EA000-memory.dmp

memory/4516-19-0x00000000072C0000-0x0000000007864000-memory.dmp

memory/4516-20-0x0000000004AB0000-0x0000000004AC8000-memory.dmp

memory/4516-21-0x0000000004AB0000-0x0000000004AC2000-memory.dmp

memory/4516-26-0x0000000004AB0000-0x0000000004AC2000-memory.dmp

memory/4516-48-0x0000000004AB0000-0x0000000004AC2000-memory.dmp

memory/4516-46-0x0000000004AB0000-0x0000000004AC2000-memory.dmp

memory/4516-44-0x0000000004AB0000-0x0000000004AC2000-memory.dmp

memory/4516-42-0x0000000004AB0000-0x0000000004AC2000-memory.dmp

memory/4516-40-0x0000000004AB0000-0x0000000004AC2000-memory.dmp

memory/4516-38-0x0000000004AB0000-0x0000000004AC2000-memory.dmp

memory/4516-36-0x0000000004AB0000-0x0000000004AC2000-memory.dmp

memory/4516-34-0x0000000004AB0000-0x0000000004AC2000-memory.dmp

memory/4516-32-0x0000000004AB0000-0x0000000004AC2000-memory.dmp

memory/4516-30-0x0000000004AB0000-0x0000000004AC2000-memory.dmp

memory/4516-28-0x0000000004AB0000-0x0000000004AC2000-memory.dmp

memory/4516-24-0x0000000004AB0000-0x0000000004AC2000-memory.dmp

memory/4516-22-0x0000000004AB0000-0x0000000004AC2000-memory.dmp

memory/4516-49-0x0000000002EA0000-0x0000000002FA0000-memory.dmp

memory/4516-50-0x0000000002C70000-0x0000000002C9D000-memory.dmp

memory/4516-52-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4516-51-0x0000000000400000-0x0000000002B1B000-memory.dmp

memory/4516-55-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4516-54-0x0000000000400000-0x0000000002B1B000-memory.dmp