Malware Analysis Report

2024-12-06 02:42

Sample ID 241110-ayn4caylap
Target 49a92ffa9989ed33242c90a7d01cf3f2ab578e13bb1f0e4efcfb806ceecd4e87
SHA256 49a92ffa9989ed33242c90a7d01cf3f2ab578e13bb1f0e4efcfb806ceecd4e87
Tags
healer redline 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

49a92ffa9989ed33242c90a7d01cf3f2ab578e13bb1f0e4efcfb806ceecd4e87

Threat Level: Known bad

The file 49a92ffa9989ed33242c90a7d01cf3f2ab578e13bb1f0e4efcfb806ceecd4e87 was found to be: Known bad.

Malicious Activity Summary

healer redline discovery dropper evasion infostealer persistence trojan

Redline family

Modifies Windows Defender Real-time Protection settings

RedLine

Healer family

RedLine payload

Detects Healer an antivirus disabler dropper

Healer

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 AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 00:37

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 00:37

Reported

2024-11-10 00:39

Platform

win10v2004-20241007-en

Max time kernel

145s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\49a92ffa9989ed33242c90a7d01cf3f2ab578e13bb1f0e4efcfb806ceecd4e87.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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr664589.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\pr664589.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\pr664589.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\pr664589.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\pr664589.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr664589.exe N/A

RedLine

infostealer redline

RedLine payload

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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\pr664589.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr664589.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_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\un341854.exe N/A
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\49a92ffa9989ed33242c90a7d01cf3f2ab578e13bb1f0e4efcfb806ceecd4e87.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\IXP001.TMP\qu281685.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\49a92ffa9989ed33242c90a7d01cf3f2ab578e13bb1f0e4efcfb806ceecd4e87.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un341854.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr664589.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr664589.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr664589.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr664589.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu281685.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 836 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\49a92ffa9989ed33242c90a7d01cf3f2ab578e13bb1f0e4efcfb806ceecd4e87.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un341854.exe
PID 836 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\49a92ffa9989ed33242c90a7d01cf3f2ab578e13bb1f0e4efcfb806ceecd4e87.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un341854.exe
PID 836 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\49a92ffa9989ed33242c90a7d01cf3f2ab578e13bb1f0e4efcfb806ceecd4e87.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un341854.exe
PID 4944 wrote to memory of 720 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un341854.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr664589.exe
PID 4944 wrote to memory of 720 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un341854.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr664589.exe
PID 4944 wrote to memory of 720 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un341854.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr664589.exe
PID 4944 wrote to memory of 3180 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un341854.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu281685.exe
PID 4944 wrote to memory of 3180 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un341854.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu281685.exe
PID 4944 wrote to memory of 3180 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un341854.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu281685.exe

Processes

C:\Users\Admin\AppData\Local\Temp\49a92ffa9989ed33242c90a7d01cf3f2ab578e13bb1f0e4efcfb806ceecd4e87.exe

"C:\Users\Admin\AppData\Local\Temp\49a92ffa9989ed33242c90a7d01cf3f2ab578e13bb1f0e4efcfb806ceecd4e87.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un341854.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un341854.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr664589.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr664589.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 720 -ip 720

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 720 -s 1092

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu281685.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu281685.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 185.161.248.142:38452 tcp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
RU 185.161.248.142:38452 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
RU 185.161.248.142:38452 tcp
RU 185.161.248.142:38452 tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
RU 185.161.248.142:38452 tcp
RU 185.161.248.142:38452 tcp
RU 185.161.248.142:38452 tcp
US 8.8.8.8:53 4.173.189.20.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un341854.exe

MD5 dbc4627f39227fcfae5df4b1b7fb42b0
SHA1 33ae376b8a7ae505e42f13c31b6fa0fe7be0bda2
SHA256 58abdcda347398a224a17e0f032f418e1cd7cf3d8f8bb1b295563bd7045a6099
SHA512 37c2f3f1c8e48e77d81ce76b1a83c93252bf8e1912f1265080483cf0c28683782f351bbc8b0f6b8fe13a5a6ea7ae9e80e83837aba65e9f55a2576ff092924502

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr664589.exe

MD5 fdd5025a22f9acf0f539506fb2ec8b17
SHA1 add3512765763e13ba70cb17f6f674ce9aaa5453
SHA256 e23c9257724a11cdaa0bf43e4544aa23adcce8b28ddd19469703f6d94ec54002
SHA512 50ab4846833072335c4c89eb92db00289f02a3113613b67541ec11983313cd199ca470121db8e3f3fb7151343425479d935aa944fb43d048a341a6a80f047a51

memory/720-15-0x0000000002C60000-0x0000000002D60000-memory.dmp

memory/720-16-0x0000000002BD0000-0x0000000002BFD000-memory.dmp

memory/720-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/720-18-0x00000000047C0000-0x00000000047DA000-memory.dmp

memory/720-19-0x00000000071B0000-0x0000000007754000-memory.dmp

memory/720-20-0x0000000004C00000-0x0000000004C18000-memory.dmp

memory/720-36-0x0000000004C00000-0x0000000004C12000-memory.dmp

memory/720-34-0x0000000004C00000-0x0000000004C12000-memory.dmp

memory/720-32-0x0000000004C00000-0x0000000004C12000-memory.dmp

memory/720-30-0x0000000004C00000-0x0000000004C12000-memory.dmp

memory/720-28-0x0000000004C00000-0x0000000004C12000-memory.dmp

memory/720-26-0x0000000004C00000-0x0000000004C12000-memory.dmp

memory/720-24-0x0000000004C00000-0x0000000004C12000-memory.dmp

memory/720-22-0x0000000004C00000-0x0000000004C12000-memory.dmp

memory/720-21-0x0000000004C00000-0x0000000004C12000-memory.dmp

memory/720-48-0x0000000004C00000-0x0000000004C12000-memory.dmp

memory/720-46-0x0000000004C00000-0x0000000004C12000-memory.dmp

memory/720-44-0x0000000004C00000-0x0000000004C12000-memory.dmp

memory/720-42-0x0000000004C00000-0x0000000004C12000-memory.dmp

memory/720-41-0x0000000004C00000-0x0000000004C12000-memory.dmp

memory/720-39-0x0000000004C00000-0x0000000004C12000-memory.dmp

memory/720-49-0x0000000002C60000-0x0000000002D60000-memory.dmp

memory/720-51-0x0000000002BD0000-0x0000000002BFD000-memory.dmp

memory/720-50-0x0000000000400000-0x0000000002BB1000-memory.dmp

memory/720-52-0x0000000000400000-0x0000000000430000-memory.dmp

memory/720-55-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu281685.exe

MD5 22ad0710acdbcd72879bf22e19679a76
SHA1 549b3f20dd2803c52ed8558bc82bf3c7a13b9c2f
SHA256 522b0f628d0ffc164c896175694e9d4ba6aa3545f95d1bcc32d5e72413914f06
SHA512 7210ee3fdd11108714dd0ceeeb14e677cebc61116c3711a55a2a121bc54989a9e6b3d67ee2573078e36a33bc2637eaba3d4b983acc15f67c667d4f74cc50ac2e

memory/720-54-0x0000000000400000-0x0000000002BB1000-memory.dmp

memory/3180-60-0x0000000004A80000-0x0000000004ABC000-memory.dmp

memory/3180-61-0x0000000004E70000-0x0000000004EAA000-memory.dmp

memory/3180-73-0x0000000004E70000-0x0000000004EA5000-memory.dmp

memory/3180-77-0x0000000004E70000-0x0000000004EA5000-memory.dmp

memory/3180-95-0x0000000004E70000-0x0000000004EA5000-memory.dmp

memory/3180-93-0x0000000004E70000-0x0000000004EA5000-memory.dmp

memory/3180-89-0x0000000004E70000-0x0000000004EA5000-memory.dmp

memory/3180-87-0x0000000004E70000-0x0000000004EA5000-memory.dmp

memory/3180-85-0x0000000004E70000-0x0000000004EA5000-memory.dmp

memory/3180-83-0x0000000004E70000-0x0000000004EA5000-memory.dmp

memory/3180-81-0x0000000004E70000-0x0000000004EA5000-memory.dmp

memory/3180-79-0x0000000004E70000-0x0000000004EA5000-memory.dmp

memory/3180-75-0x0000000004E70000-0x0000000004EA5000-memory.dmp

memory/3180-71-0x0000000004E70000-0x0000000004EA5000-memory.dmp

memory/3180-69-0x0000000004E70000-0x0000000004EA5000-memory.dmp

memory/3180-91-0x0000000004E70000-0x0000000004EA5000-memory.dmp

memory/3180-67-0x0000000004E70000-0x0000000004EA5000-memory.dmp

memory/3180-65-0x0000000004E70000-0x0000000004EA5000-memory.dmp

memory/3180-63-0x0000000004E70000-0x0000000004EA5000-memory.dmp

memory/3180-62-0x0000000004E70000-0x0000000004EA5000-memory.dmp

memory/3180-854-0x0000000009CE0000-0x000000000A2F8000-memory.dmp

memory/3180-855-0x000000000A350000-0x000000000A362000-memory.dmp

memory/3180-856-0x000000000A370000-0x000000000A47A000-memory.dmp

memory/3180-857-0x000000000A490000-0x000000000A4CC000-memory.dmp

memory/3180-858-0x00000000047A0000-0x00000000047EC000-memory.dmp