Malware Analysis Report

2024-12-07 11:31

Sample ID 241113-wy896sxalf
Target 0fc6ed06cec143fe626036aa6a83227613820bafbc6b2f6f9f231b677ef6d7a3N.exe
SHA256 0fc6ed06cec143fe626036aa6a83227613820bafbc6b2f6f9f231b677ef6d7a3
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

0fc6ed06cec143fe626036aa6a83227613820bafbc6b2f6f9f231b677ef6d7a3

Threat Level: Known bad

The file 0fc6ed06cec143fe626036aa6a83227613820bafbc6b2f6f9f231b677ef6d7a3N.exe 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

Executes dropped EXE

Windows security modification

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 18:20

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 18:20

Reported

2024-11-13 18:23

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0fc6ed06cec143fe626036aa6a83227613820bafbc6b2f6f9f231b677ef6d7a3N.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\dHL84tr.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\dHL84tr.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\dHL84tr.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\dHL84tr.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\eVF37iM.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\eVF37iM.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\eVF37iM.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\dHL84tr.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\dHL84tr.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\eVF37iM.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\eVF37iM.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\eVF37iM.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dHL84tr.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\eVF37iM.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\dHL84tr.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\eVF37iM.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\eVF37iM.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\0fc6ed06cec143fe626036aa6a83227613820bafbc6b2f6f9f231b677ef6d7a3N.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\0fc6ed06cec143fe626036aa6a83227613820bafbc6b2f6f9f231b677ef6d7a3N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\eVF37iM.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dHL84tr.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\eVF37iM.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0fc6ed06cec143fe626036aa6a83227613820bafbc6b2f6f9f231b677ef6d7a3N.exe

"C:\Users\Admin\AppData\Local\Temp\0fc6ed06cec143fe626036aa6a83227613820bafbc6b2f6f9f231b677ef6d7a3N.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dHL84tr.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dHL84tr.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\eVF37iM.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\eVF37iM.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dHL84tr.exe

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

memory/4572-7-0x00007FF94B4E3000-0x00007FF94B4E5000-memory.dmp

memory/4572-8-0x00000000002D0000-0x00000000002DA000-memory.dmp

memory/4572-9-0x00007FF94B4E3000-0x00007FF94B4E5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\eVF37iM.exe

MD5 304c8cb41d2d053924fd649d46e25833
SHA1 c828210477114f0133a8a40ffa5698466c1c111d
SHA256 cafba37de3836bb04111ba302733eaede3db9af37c66268722ea5fccfae57333
SHA512 af3eef5638ada7d7e9680924cef2354d36a7cf9a29b7733cb3dbdf0215e91542037edeb70616978e4e494f24cb5a4c0d7fb2ae2b1db12df8c9a0e0409f35ae44

memory/3160-15-0x00000000006A0000-0x00000000007A0000-memory.dmp

memory/3160-16-0x0000000000570000-0x000000000059D000-memory.dmp

memory/3160-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3160-18-0x0000000000960000-0x000000000097A000-memory.dmp

memory/3160-19-0x0000000004E00000-0x00000000053A4000-memory.dmp

memory/3160-20-0x0000000004C40000-0x0000000004C58000-memory.dmp

memory/3160-21-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/3160-26-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/3160-48-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/3160-46-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/3160-44-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/3160-40-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/3160-39-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/3160-36-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/3160-34-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/3160-32-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/3160-30-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/3160-28-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/3160-24-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/3160-22-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/3160-42-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/3160-49-0x00000000006A0000-0x00000000007A0000-memory.dmp

memory/3160-50-0x0000000000400000-0x0000000000570000-memory.dmp

memory/3160-51-0x0000000000570000-0x000000000059D000-memory.dmp

memory/3160-52-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3160-55-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3160-54-0x0000000000400000-0x0000000000570000-memory.dmp