Malware Analysis Report

2024-10-16 03:50

Sample ID 240506-frv6zaab8x
Target f6775e5e6deca19a1376b8b836b311bf617510c03d8b7a445aaf4baa40cdc921
SHA256 f6775e5e6deca19a1376b8b836b311bf617510c03d8b7a445aaf4baa40cdc921
Tags
healer redline maxbi 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

f6775e5e6deca19a1376b8b836b311bf617510c03d8b7a445aaf4baa40cdc921

Threat Level: Known bad

The file f6775e5e6deca19a1376b8b836b311bf617510c03d8b7a445aaf4baa40cdc921 was found to be: Known bad.

Malicious Activity Summary

healer redline maxbi dropper evasion infostealer persistence trojan

RedLine payload

Healer

RedLine

Modifies Windows Defender Real-time Protection settings

Detects Healer an antivirus disabler dropper

Detects executables packed with ConfuserEx Mod

Detects executables embedding registry key / value combination indicative of disabling Windows Defender features

Windows security modification

Executes dropped EXE

Adds Run key to start application

Unsigned PE

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-06 05:06

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-05-06 05:06

Reported

2024-05-06 05:09

Platform

win10v2004-20240419-en

Max time kernel

147s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f6775e5e6deca19a1376b8b836b311bf617510c03d8b7a445aaf4baa40cdc921.exe"

Signatures

Detects Healer an antivirus disabler dropper

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Healer

dropper healer

Modifies Windows Defender Real-time Protection settings

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a84811875.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\a84811875.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\a84811875.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\a84811875.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\a84811875.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\a84811875.exe N/A

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
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Detects executables embedding registry key / value combination indicative of disabling Windows Defender features

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Detects executables packed with ConfuserEx Mod

Description Indicator Process Target
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Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a84811875.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b86367601.exe N/A

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\IXP000.TMP\a84811875.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a84811875.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\f6775e5e6deca19a1376b8b836b311bf617510c03d8b7a445aaf4baa40cdc921.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a84811875.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a84811875.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a84811875.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f6775e5e6deca19a1376b8b836b311bf617510c03d8b7a445aaf4baa40cdc921.exe

"C:\Users\Admin\AppData\Local\Temp\f6775e5e6deca19a1376b8b836b311bf617510c03d8b7a445aaf4baa40cdc921.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a84811875.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a84811875.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4604 -ip 4604

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 1108

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b86367601.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b86367601.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.155:443 www.bing.com tcp
US 8.8.8.8:53 155.61.62.23.in-addr.arpa udp
RU 185.161.248.73:4164 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
RU 185.161.248.73:4164 tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 69.190.18.2.in-addr.arpa udp
RU 185.161.248.73:4164 tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 51.15.97.104.in-addr.arpa udp
RU 185.161.248.73:4164 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
RU 185.161.248.73:4164 tcp
RU 185.161.248.73:4164 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a84811875.exe

MD5 e462e69c88ca29b59c2eebd18dcf7a32
SHA1 ee746c6116c176bc9c6e84834ea65fc5fab252bb
SHA256 2d9ccdcea2ecd19f4678c12182cf60ba5fb991fc5b86020a5475c2caff35fd0f
SHA512 1eaa3db2617f4ef1666cd89a7ffd8ce0c277293777fe1b060da81b6e4b5cfb977ad536cceb15814beab27107e32402f80f472b81865ec1919f7cebcdb9e98468

memory/4604-8-0x0000000000DD0000-0x0000000000ED0000-memory.dmp

memory/4604-10-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4604-9-0x0000000000D80000-0x0000000000DAD000-memory.dmp

memory/4604-11-0x0000000000400000-0x0000000000A67000-memory.dmp

memory/4604-12-0x0000000002940000-0x000000000295A000-memory.dmp

memory/4604-13-0x0000000005220000-0x00000000057C4000-memory.dmp

memory/4604-14-0x0000000002AA0000-0x0000000002AB8000-memory.dmp

memory/4604-15-0x0000000002AA0000-0x0000000002AB2000-memory.dmp

memory/4604-42-0x0000000002AA0000-0x0000000002AB2000-memory.dmp

memory/4604-40-0x0000000002AA0000-0x0000000002AB2000-memory.dmp

memory/4604-38-0x0000000002AA0000-0x0000000002AB2000-memory.dmp

memory/4604-36-0x0000000002AA0000-0x0000000002AB2000-memory.dmp

memory/4604-34-0x0000000002AA0000-0x0000000002AB2000-memory.dmp

memory/4604-32-0x0000000002AA0000-0x0000000002AB2000-memory.dmp

memory/4604-30-0x0000000002AA0000-0x0000000002AB2000-memory.dmp

memory/4604-29-0x0000000002AA0000-0x0000000002AB2000-memory.dmp

memory/4604-26-0x0000000002AA0000-0x0000000002AB2000-memory.dmp

memory/4604-24-0x0000000002AA0000-0x0000000002AB2000-memory.dmp

memory/4604-22-0x0000000002AA0000-0x0000000002AB2000-memory.dmp

memory/4604-20-0x0000000002AA0000-0x0000000002AB2000-memory.dmp

memory/4604-18-0x0000000002AA0000-0x0000000002AB2000-memory.dmp

memory/4604-16-0x0000000002AA0000-0x0000000002AB2000-memory.dmp

memory/4604-46-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4604-45-0x0000000000400000-0x0000000000A67000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b86367601.exe

MD5 27d92e11c75ef56a81ec9e9631b5051d
SHA1 597af94b9843a3de549d38d44b605a78d55d24cb
SHA256 74c4d7a954efd3bfc8777102ca113f0ac90e9285f54c8d3a0446dbedbdee0ba1
SHA512 0e361caeedea84c948af4f43f91a932e300d01ad4d4e9aa97f6d4fd49df62e4f92eb9faa3ab609bf3cdd15d760e699e994ecc1ec64a7ae2b9d0e3afc85de2368

memory/3252-50-0x00000000742CE000-0x00000000742CF000-memory.dmp

memory/3252-51-0x0000000000C70000-0x0000000000CA0000-memory.dmp

memory/3252-52-0x0000000001530000-0x0000000001536000-memory.dmp

memory/3252-53-0x000000000AFA0000-0x000000000B5B8000-memory.dmp

memory/3252-54-0x000000000AAE0000-0x000000000ABEA000-memory.dmp

memory/3252-55-0x000000000AA10000-0x000000000AA22000-memory.dmp

memory/3252-56-0x000000000AA70000-0x000000000AAAC000-memory.dmp

memory/3252-57-0x00000000742C0000-0x0000000074A70000-memory.dmp

memory/3252-58-0x0000000004E50000-0x0000000004E9C000-memory.dmp

memory/3252-59-0x00000000742CE000-0x00000000742CF000-memory.dmp

memory/3252-60-0x00000000742C0000-0x0000000074A70000-memory.dmp