Malware Analysis Report

2024-12-06 02:59

Sample ID 241110-cfxzmswndy
Target 8f04d90bb336b50c88edd7dc03f6a4fa21989ccbb724f1778d2da870c8037c9e
SHA256 8f04d90bb336b50c88edd7dc03f6a4fa21989ccbb724f1778d2da870c8037c9e
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

8f04d90bb336b50c88edd7dc03f6a4fa21989ccbb724f1778d2da870c8037c9e

Threat Level: Known bad

The file 8f04d90bb336b50c88edd7dc03f6a4fa21989ccbb724f1778d2da870c8037c9e was found to be: Known bad.

Malicious Activity Summary

healer redline discovery dropper evasion infostealer persistence trojan

Healer family

RedLine

Detects Healer an antivirus disabler dropper

Redline family

Modifies Windows Defender Real-time Protection settings

RedLine payload

Healer

Executes dropped EXE

Windows security modification

Adds Run key to start application

Launches sc.exe

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 02:01

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 02:01

Reported

2024-11-10 02:04

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8f04d90bb336b50c88edd7dc03f6a4fa21989ccbb724f1778d2da870c8037c9e.exe"

Signatures

Detects Healer an antivirus disabler dropper

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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\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\26864837.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\26864837.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\26864837.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\26864837.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\26864837.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\26864837.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\26864837.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\26864837.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\8f04d90bb336b50c88edd7dc03f6a4fa21989ccbb724f1778d2da870c8037c9e.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\un700091.exe N/A

Launches sc.exe

Description Indicator Process Target
N/A N/A C:\Windows\system32\sc.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\8f04d90bb336b50c88edd7dc03f6a4fa21989ccbb724f1778d2da870c8037c9e.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un700091.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\26864837.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk938873.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\26864837.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\26864837.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\26864837.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk938873.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4648 wrote to memory of 3776 N/A C:\Users\Admin\AppData\Local\Temp\8f04d90bb336b50c88edd7dc03f6a4fa21989ccbb724f1778d2da870c8037c9e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un700091.exe
PID 4648 wrote to memory of 3776 N/A C:\Users\Admin\AppData\Local\Temp\8f04d90bb336b50c88edd7dc03f6a4fa21989ccbb724f1778d2da870c8037c9e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un700091.exe
PID 4648 wrote to memory of 3776 N/A C:\Users\Admin\AppData\Local\Temp\8f04d90bb336b50c88edd7dc03f6a4fa21989ccbb724f1778d2da870c8037c9e.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un700091.exe
PID 3776 wrote to memory of 3992 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un700091.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\26864837.exe
PID 3776 wrote to memory of 3992 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un700091.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\26864837.exe
PID 3776 wrote to memory of 3992 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un700091.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\26864837.exe
PID 3776 wrote to memory of 4304 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un700091.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk938873.exe
PID 3776 wrote to memory of 4304 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un700091.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk938873.exe
PID 3776 wrote to memory of 4304 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un700091.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk938873.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8f04d90bb336b50c88edd7dc03f6a4fa21989ccbb724f1778d2da870c8037c9e.exe

"C:\Users\Admin\AppData\Local\Temp\8f04d90bb336b50c88edd7dc03f6a4fa21989ccbb724f1778d2da870c8037c9e.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un700091.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un700091.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\26864837.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\26864837.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3992 -ip 3992

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3992 -s 1016

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk938873.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk938873.exe

C:\Windows\system32\sc.exe

C:\Windows\system32\sc.exe start wuauserv

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 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
RU 185.161.248.143:38452 tcp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un700091.exe

MD5 3cfd480544e62415c63c0106abe4b4f9
SHA1 5e83eaa4e63458c62130bffc153f53de351672e8
SHA256 6d26c6a870caa3951aeb6bee3de22dee289ceff03868784e15f456e8ee1acf60
SHA512 9eed36ba622aebc3177f0a597708a5dca074b4647781956372c0006ef9d0c33829636e95fbbc4adc2122c8ab95c60ce268feb51a8cf54e39817775b6e4138b02

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\26864837.exe

MD5 b4e383c163143409d4ba9b00a1551aa4
SHA1 41b1166e3101072ec65ee6dfbb62327de4a75245
SHA256 d53e1f0004bb8a0a5ce5f19f12c93db17084dad39d46abf523833f442d8c4e8e
SHA512 3e883819aac3e33f27b74722108b0285ed5970b49c346f552d734748bbc57f220d0b9c2108d8f26057f0ae40e2d9bba29f2f5918c8bb7fd9faaf70d5acf95fdf

memory/3992-15-0x0000000002E50000-0x0000000002F50000-memory.dmp

memory/3992-16-0x00000000046A0000-0x00000000046CD000-memory.dmp

memory/3992-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3992-18-0x0000000004950000-0x000000000496A000-memory.dmp

memory/3992-19-0x0000000007330000-0x00000000078D4000-memory.dmp

memory/3992-20-0x0000000004DE0000-0x0000000004DF8000-memory.dmp

memory/3992-21-0x0000000004DE0000-0x0000000004DF3000-memory.dmp

memory/3992-38-0x0000000004DE0000-0x0000000004DF3000-memory.dmp

memory/3992-48-0x0000000004DE0000-0x0000000004DF3000-memory.dmp

memory/3992-46-0x0000000004DE0000-0x0000000004DF3000-memory.dmp

memory/3992-45-0x0000000004DE0000-0x0000000004DF3000-memory.dmp

memory/3992-42-0x0000000004DE0000-0x0000000004DF3000-memory.dmp

memory/3992-40-0x0000000004DE0000-0x0000000004DF3000-memory.dmp

memory/3992-36-0x0000000004DE0000-0x0000000004DF3000-memory.dmp

memory/3992-34-0x0000000004DE0000-0x0000000004DF3000-memory.dmp

memory/3992-32-0x0000000004DE0000-0x0000000004DF3000-memory.dmp

memory/3992-30-0x0000000004DE0000-0x0000000004DF3000-memory.dmp

memory/3992-28-0x0000000004DE0000-0x0000000004DF3000-memory.dmp

memory/3992-26-0x0000000004DE0000-0x0000000004DF3000-memory.dmp

memory/3992-24-0x0000000004DE0000-0x0000000004DF3000-memory.dmp

memory/3992-22-0x0000000004DE0000-0x0000000004DF3000-memory.dmp

memory/3992-49-0x0000000002E50000-0x0000000002F50000-memory.dmp

memory/3992-50-0x00000000046A0000-0x00000000046CD000-memory.dmp

memory/3992-52-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3992-51-0x0000000000400000-0x0000000002B9D000-memory.dmp

memory/3992-55-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk938873.exe

MD5 3baefb16da83d1b8e65f3190ebecef6d
SHA1 b93808a83b53f08ea0d2b8dc7ffc37395577bb47
SHA256 75688ad9b0e77ee50e7f7b0c60db15b534946eb61063aaee64abbd1978a5ec56
SHA512 a18c352b5c78c8aa76baac4918079589cf224848e40e30cf9a7dc98e6972ec5668594f53abd3a842eee3a0bc38f08ad5ef2e288bc02f53623e0b49e5f9cff364

memory/3992-54-0x0000000000400000-0x0000000002B9D000-memory.dmp

memory/4304-60-0x0000000004BE0000-0x0000000004C1C000-memory.dmp

memory/4304-61-0x0000000004D40000-0x0000000004D7A000-memory.dmp

memory/4304-85-0x0000000004D40000-0x0000000004D75000-memory.dmp

memory/4304-95-0x0000000004D40000-0x0000000004D75000-memory.dmp

memory/4304-93-0x0000000004D40000-0x0000000004D75000-memory.dmp

memory/4304-91-0x0000000004D40000-0x0000000004D75000-memory.dmp

memory/4304-89-0x0000000004D40000-0x0000000004D75000-memory.dmp

memory/4304-87-0x0000000004D40000-0x0000000004D75000-memory.dmp

memory/4304-83-0x0000000004D40000-0x0000000004D75000-memory.dmp

memory/4304-81-0x0000000004D40000-0x0000000004D75000-memory.dmp

memory/4304-79-0x0000000004D40000-0x0000000004D75000-memory.dmp

memory/4304-77-0x0000000004D40000-0x0000000004D75000-memory.dmp

memory/4304-75-0x0000000004D40000-0x0000000004D75000-memory.dmp

memory/4304-73-0x0000000004D40000-0x0000000004D75000-memory.dmp

memory/4304-71-0x0000000004D40000-0x0000000004D75000-memory.dmp

memory/4304-69-0x0000000004D40000-0x0000000004D75000-memory.dmp

memory/4304-67-0x0000000004D40000-0x0000000004D75000-memory.dmp

memory/4304-63-0x0000000004D40000-0x0000000004D75000-memory.dmp

memory/4304-65-0x0000000004D40000-0x0000000004D75000-memory.dmp

memory/4304-62-0x0000000004D40000-0x0000000004D75000-memory.dmp

memory/4304-854-0x0000000009D40000-0x000000000A358000-memory.dmp

memory/4304-855-0x00000000073E0000-0x00000000073F2000-memory.dmp

memory/4304-856-0x000000000A360000-0x000000000A46A000-memory.dmp

memory/4304-857-0x000000000A480000-0x000000000A4BC000-memory.dmp

memory/4304-858-0x0000000004C70000-0x0000000004CBC000-memory.dmp