Malware Analysis Report

2024-12-07 04:12

Sample ID 241114-y7jf8askbv
Target 255ee63f76b2964766d30edea8adc6840354cf27124abcf708555a5f5673da85
SHA256 255ee63f76b2964766d30edea8adc6840354cf27124abcf708555a5f5673da85
Tags
healer redline ruma 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

255ee63f76b2964766d30edea8adc6840354cf27124abcf708555a5f5673da85

Threat Level: Known bad

The file 255ee63f76b2964766d30edea8adc6840354cf27124abcf708555a5f5673da85 was found to be: Known bad.

Malicious Activity Summary

healer redline ruma discovery dropper evasion infostealer persistence trojan

Healer

RedLine payload

RedLine

Healer family

Detects Healer an antivirus disabler dropper

Modifies Windows Defender Real-time Protection settings

Redline family

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 behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-14 20:25

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-14 20:25

Reported

2024-11-14 20:28

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\255ee63f76b2964766d30edea8adc6840354cf27124abcf708555a5f5673da85.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\dZQ81dj.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\dZQ81dj.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\dZQ81dj.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\dZQ81dj.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\dZQ81dj.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dZQ81dj.exe N/A

RedLine

infostealer redline

RedLine payload

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Redline family

redline

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dZQ81dj.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ern20iZ.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\dZQ81dj.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\255ee63f76b2964766d30edea8adc6840354cf27124abcf708555a5f5673da85.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\255ee63f76b2964766d30edea8adc6840354cf27124abcf708555a5f5673da85.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ern20iZ.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dZQ81dj.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dZQ81dj.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dZQ81dj.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ern20iZ.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\255ee63f76b2964766d30edea8adc6840354cf27124abcf708555a5f5673da85.exe

"C:\Users\Admin\AppData\Local\Temp\255ee63f76b2964766d30edea8adc6840354cf27124abcf708555a5f5673da85.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dZQ81dj.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dZQ81dj.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ern20iZ.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ern20iZ.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 20.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 85.49.80.91.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dZQ81dj.exe

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

memory/5080-7-0x00007FFD81AC3000-0x00007FFD81AC5000-memory.dmp

memory/5080-8-0x0000000000720000-0x000000000072A000-memory.dmp

memory/5080-9-0x00007FFD81AC3000-0x00007FFD81AC5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ern20iZ.exe

MD5 915c6d763a18d652daecbb8629c6255d
SHA1 8f08eaaef2b8bf60226dfbf7f8b645fcb53690a4
SHA256 ae838a75e0bd79b4c667d3bb4a1204d485689215acb6c9665e245d09eb29c3d8
SHA512 a691b2bdaca24bcc54910d69eb72ec651f2025dbdba233c8bcacfc392589bae970fabcb7c7d090f54f7e3d240cbfb470b607c24438960d642af50caa872fe5e9

memory/1368-15-0x00000000006A0000-0x00000000007A0000-memory.dmp

memory/1368-16-0x0000000000610000-0x000000000065B000-memory.dmp

memory/1368-17-0x0000000000400000-0x000000000044E000-memory.dmp

memory/1368-18-0x0000000002530000-0x0000000002576000-memory.dmp

memory/1368-19-0x0000000004C20000-0x00000000051C4000-memory.dmp

memory/1368-20-0x0000000002830000-0x0000000002874000-memory.dmp

memory/1368-22-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-28-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-84-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-83-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-78-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-76-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-74-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-72-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-71-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-68-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-66-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-64-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-62-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-60-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-58-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-56-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-52-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-50-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-48-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-46-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-44-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-42-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-40-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-38-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-36-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-32-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-30-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-26-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-24-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-80-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-54-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-34-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-21-0x0000000002830000-0x000000000286E000-memory.dmp

memory/1368-927-0x00000000051D0000-0x00000000057E8000-memory.dmp

memory/1368-928-0x0000000005850000-0x000000000595A000-memory.dmp

memory/1368-929-0x0000000005990000-0x00000000059A2000-memory.dmp

memory/1368-930-0x00000000059B0000-0x00000000059EC000-memory.dmp

memory/1368-931-0x0000000005B00000-0x0000000005B4C000-memory.dmp

memory/1368-933-0x00000000006A0000-0x00000000007A0000-memory.dmp

memory/1368-934-0x0000000000610000-0x000000000065B000-memory.dmp

memory/1368-935-0x0000000000400000-0x000000000044E000-memory.dmp