Malware Analysis Report

2025-01-23 07:48

Sample ID 241108-meaststjck
Target 3a1576cc6f3ac2a4423159d21269dcf959edab99475365964bb987fd52d136e4
SHA256 3a1576cc6f3ac2a4423159d21269dcf959edab99475365964bb987fd52d136e4
Tags
healer redline fukia discovery dropper evasion infostealer 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

3a1576cc6f3ac2a4423159d21269dcf959edab99475365964bb987fd52d136e4

Threat Level: Known bad

The file 3a1576cc6f3ac2a4423159d21269dcf959edab99475365964bb987fd52d136e4 was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

RedLine payload

Healer family

Modifies Windows Defender Real-time Protection settings

Detects Healer an antivirus disabler dropper

Healer

RedLine

Redline family

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 WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-08 10:22

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-08 10:22

Reported

2024-11-08 10:24

Platform

win10v2004-20241007-en

Max time kernel

128s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3a1576cc6f3ac2a4423159d21269dcf959edab99475365964bb987fd52d136e4.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\IXP001.TMP\doz33MA.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\doz33MA.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\IXP001.TMP\eJs85OZ.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\IXP001.TMP\eJs85OZ.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\doz33MA.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\doz33MA.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\doz33MA.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\doz33MA.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eJs85OZ.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\IXP001.TMP\eJs85OZ.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\IXP001.TMP\eJs85OZ.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\IXP001.TMP\eJs85OZ.exe N/A

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
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Redline family

redline

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\IXP001.TMP\eJs85OZ.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eJs85OZ.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\doz33MA.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\3a1576cc6f3ac2a4423159d21269dcf959edab99475365964bb987fd52d136e4.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nGl31bP15.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\IXP000.TMP\fHX56KX.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\3a1576cc6f3ac2a4423159d21269dcf959edab99475365964bb987fd52d136e4.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nGl31bP15.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eJs85OZ.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\doz33MA.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eJs85OZ.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1628 wrote to memory of 4632 N/A C:\Users\Admin\AppData\Local\Temp\3a1576cc6f3ac2a4423159d21269dcf959edab99475365964bb987fd52d136e4.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nGl31bP15.exe
PID 1628 wrote to memory of 4632 N/A C:\Users\Admin\AppData\Local\Temp\3a1576cc6f3ac2a4423159d21269dcf959edab99475365964bb987fd52d136e4.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nGl31bP15.exe
PID 1628 wrote to memory of 4632 N/A C:\Users\Admin\AppData\Local\Temp\3a1576cc6f3ac2a4423159d21269dcf959edab99475365964bb987fd52d136e4.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nGl31bP15.exe
PID 4632 wrote to memory of 5032 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nGl31bP15.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\doz33MA.exe
PID 4632 wrote to memory of 5032 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nGl31bP15.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\doz33MA.exe
PID 4632 wrote to memory of 3164 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nGl31bP15.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eJs85OZ.exe
PID 4632 wrote to memory of 3164 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nGl31bP15.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eJs85OZ.exe
PID 4632 wrote to memory of 3164 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nGl31bP15.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eJs85OZ.exe
PID 1628 wrote to memory of 1128 N/A C:\Users\Admin\AppData\Local\Temp\3a1576cc6f3ac2a4423159d21269dcf959edab99475365964bb987fd52d136e4.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fHX56KX.exe
PID 1628 wrote to memory of 1128 N/A C:\Users\Admin\AppData\Local\Temp\3a1576cc6f3ac2a4423159d21269dcf959edab99475365964bb987fd52d136e4.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fHX56KX.exe
PID 1628 wrote to memory of 1128 N/A C:\Users\Admin\AppData\Local\Temp\3a1576cc6f3ac2a4423159d21269dcf959edab99475365964bb987fd52d136e4.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fHX56KX.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3a1576cc6f3ac2a4423159d21269dcf959edab99475365964bb987fd52d136e4.exe

"C:\Users\Admin\AppData\Local\Temp\3a1576cc6f3ac2a4423159d21269dcf959edab99475365964bb987fd52d136e4.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nGl31bP15.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nGl31bP15.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\doz33MA.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\doz33MA.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eJs85OZ.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eJs85OZ.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3164 -ip 3164

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3164 -s 1072

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fHX56KX.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fHX56KX.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 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nGl31bP15.exe

MD5 d2a882505331023cf3a571b39e959ab7
SHA1 3924f5f3a92557bd2a18ff343e4a861316e350d2
SHA256 615d1ea5a987306b4e9faa3452f5800573299d702090c3ad515e1cf4d66ce6dd
SHA512 22c6d0173a9f24f2d18f31f3a254cc922a94fc860419ab22d6341949ef1cc6f2f90c7fb90cb0fc99ffe17dbcf9c3ed7f4193f8ad082e16439e175885a0d44c66

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\doz33MA.exe

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

memory/5032-14-0x00007FFBD1EB3000-0x00007FFBD1EB5000-memory.dmp

memory/5032-15-0x0000000000C20000-0x0000000000C2A000-memory.dmp

memory/5032-16-0x00007FFBD1EB3000-0x00007FFBD1EB5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eJs85OZ.exe

MD5 f21ea0267fb5944cda5cfac935a9be4b
SHA1 7f00f9d971d0b61c39369189c8bbfaca57f564a4
SHA256 ba244bc70de4bb2874745b713392d69719ab07621fdd578b6b718a59ad586cd1
SHA512 8de85037124dd7d46ea69586f255e30751862f9e30410a61fac21eb91a39507fef45af04b204ffcfb309d60d03c246b493cfd60ba9edca0eaeb4af7570b10dbe

memory/3164-22-0x00000000024C0000-0x00000000024DA000-memory.dmp

memory/3164-23-0x0000000004C80000-0x0000000005224000-memory.dmp

memory/3164-24-0x0000000002760000-0x0000000002778000-memory.dmp

memory/3164-52-0x0000000002760000-0x0000000002772000-memory.dmp

memory/3164-50-0x0000000002760000-0x0000000002772000-memory.dmp

memory/3164-49-0x0000000002760000-0x0000000002772000-memory.dmp

memory/3164-46-0x0000000002760000-0x0000000002772000-memory.dmp

memory/3164-44-0x0000000002760000-0x0000000002772000-memory.dmp

memory/3164-42-0x0000000002760000-0x0000000002772000-memory.dmp

memory/3164-40-0x0000000002760000-0x0000000002772000-memory.dmp

memory/3164-38-0x0000000002760000-0x0000000002772000-memory.dmp

memory/3164-36-0x0000000002760000-0x0000000002772000-memory.dmp

memory/3164-34-0x0000000002760000-0x0000000002772000-memory.dmp

memory/3164-32-0x0000000002760000-0x0000000002772000-memory.dmp

memory/3164-30-0x0000000002760000-0x0000000002772000-memory.dmp

memory/3164-28-0x0000000002760000-0x0000000002772000-memory.dmp

memory/3164-26-0x0000000002760000-0x0000000002772000-memory.dmp

memory/3164-25-0x0000000002760000-0x0000000002772000-memory.dmp

memory/3164-53-0x0000000000400000-0x000000000056E000-memory.dmp

memory/3164-55-0x0000000000400000-0x000000000056E000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fHX56KX.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/1128-59-0x0000000000010000-0x0000000000042000-memory.dmp

memory/1128-60-0x0000000004E30000-0x0000000005448000-memory.dmp

memory/1128-61-0x00000000049B0000-0x0000000004ABA000-memory.dmp

memory/1128-62-0x00000000048E0000-0x00000000048F2000-memory.dmp

memory/1128-63-0x0000000004940000-0x000000000497C000-memory.dmp

memory/1128-64-0x0000000004AC0000-0x0000000004B0C000-memory.dmp