Malware Analysis Report

2025-05-06 01:34

Sample ID 241110-dygwtayeqg
Target a55c2dd48e0d70381f8038e9901716e3c7e1196b478fc457289c2d784c356fa5
SHA256 a55c2dd48e0d70381f8038e9901716e3c7e1196b478fc457289c2d784c356fa5
Tags
healer redline rosn 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

a55c2dd48e0d70381f8038e9901716e3c7e1196b478fc457289c2d784c356fa5

Threat Level: Known bad

The file a55c2dd48e0d70381f8038e9901716e3c7e1196b478fc457289c2d784c356fa5 was found to be: Known bad.

Malicious Activity Summary

healer redline rosn discovery dropper evasion infostealer persistence trojan

RedLine payload

RedLine

Healer family

Healer

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

Launches sc.exe

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 03:24

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 03:24

Reported

2024-11-10 03:27

Platform

win10v2004-20241007-en

Max time kernel

144s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a55c2dd48e0d70381f8038e9901716e3c7e1196b478fc457289c2d784c356fa5.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\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9946.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9946.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\pro9946.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\pro9946.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\pro9946.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\pro9946.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\pro9946.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9946.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\a55c2dd48e0d70381f8038e9901716e3c7e1196b478fc457289c2d784c356fa5.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\un890440.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\IXP001.TMP\pro9946.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8122.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\a55c2dd48e0d70381f8038e9901716e3c7e1196b478fc457289c2d784c356fa5.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un890440.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9946.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9946.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9946.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8122.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1940 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\a55c2dd48e0d70381f8038e9901716e3c7e1196b478fc457289c2d784c356fa5.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un890440.exe
PID 1940 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\a55c2dd48e0d70381f8038e9901716e3c7e1196b478fc457289c2d784c356fa5.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un890440.exe
PID 1940 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\a55c2dd48e0d70381f8038e9901716e3c7e1196b478fc457289c2d784c356fa5.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un890440.exe
PID 1292 wrote to memory of 4040 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un890440.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9946.exe
PID 1292 wrote to memory of 4040 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un890440.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9946.exe
PID 1292 wrote to memory of 4040 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un890440.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9946.exe
PID 1292 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un890440.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8122.exe
PID 1292 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un890440.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8122.exe
PID 1292 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un890440.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8122.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a55c2dd48e0d70381f8038e9901716e3c7e1196b478fc457289c2d784c356fa5.exe

"C:\Users\Admin\AppData\Local\Temp\a55c2dd48e0d70381f8038e9901716e3c7e1196b478fc457289c2d784c356fa5.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un890440.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un890440.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9946.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9946.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4040 -ip 4040

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4040 -s 1080

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8122.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8122.exe

C:\Windows\system32\sc.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 176.113.115.145:4125 tcp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
RU 176.113.115.145:4125 tcp
RU 176.113.115.145:4125 tcp
RU 176.113.115.145:4125 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
RU 176.113.115.145:4125 tcp
RU 176.113.115.145:4125 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un890440.exe

MD5 026f11b7607c4af714f76b5a106121e7
SHA1 fd77a060e7b649f2ecfec90ccd912b51281ce66f
SHA256 7eee560b1e8f5a33d1792668a22fcfbe19f5455409559479c7a51269814563fc
SHA512 0ac37b2c0d57f2b1e2da7bb753f7f98a5cf4ddbe6094bae48aa331bba12d13569759a8e839cc41613cb447a9cfa662e08c55dc969c3825fc2a5e24ff80846bc3

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9946.exe

MD5 8d6d2325cc6a7180f167057159a71015
SHA1 21f47f176a6782be5380fb0bbdb29e042009cb82
SHA256 9cd5102ac689e851b3c476e020e7697fa7e785296c5e96cf21a44960751359dc
SHA512 6ade1156cca926d7dd660908305cad5685060bd3efbbe55b0ff4b638b8d7f7ab8a061efb51cab4858defb49671518779b36ac625314e346c8eaaba7186bdd374

memory/4040-15-0x0000000000910000-0x0000000000A10000-memory.dmp

memory/4040-16-0x0000000000890000-0x00000000008BD000-memory.dmp

memory/4040-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4040-18-0x0000000000400000-0x00000000007FE000-memory.dmp

memory/4040-19-0x00000000028A0000-0x00000000028BA000-memory.dmp

memory/4040-20-0x0000000005140000-0x00000000056E4000-memory.dmp

memory/4040-21-0x0000000002A80000-0x0000000002A98000-memory.dmp

memory/4040-49-0x0000000002A80000-0x0000000002A92000-memory.dmp

memory/4040-47-0x0000000002A80000-0x0000000002A92000-memory.dmp

memory/4040-45-0x0000000002A80000-0x0000000002A92000-memory.dmp

memory/4040-43-0x0000000002A80000-0x0000000002A92000-memory.dmp

memory/4040-41-0x0000000002A80000-0x0000000002A92000-memory.dmp

memory/4040-39-0x0000000002A80000-0x0000000002A92000-memory.dmp

memory/4040-37-0x0000000002A80000-0x0000000002A92000-memory.dmp

memory/4040-35-0x0000000002A80000-0x0000000002A92000-memory.dmp

memory/4040-34-0x0000000002A80000-0x0000000002A92000-memory.dmp

memory/4040-31-0x0000000002A80000-0x0000000002A92000-memory.dmp

memory/4040-29-0x0000000002A80000-0x0000000002A92000-memory.dmp

memory/4040-27-0x0000000002A80000-0x0000000002A92000-memory.dmp

memory/4040-25-0x0000000002A80000-0x0000000002A92000-memory.dmp

memory/4040-23-0x0000000002A80000-0x0000000002A92000-memory.dmp

memory/4040-22-0x0000000002A80000-0x0000000002A92000-memory.dmp

memory/4040-50-0x0000000000910000-0x0000000000A10000-memory.dmp

memory/4040-51-0x0000000000890000-0x00000000008BD000-memory.dmp

memory/4040-52-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4040-55-0x0000000000400000-0x00000000007FE000-memory.dmp

memory/4040-56-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8122.exe

MD5 dbf07c09621bbd74cfe2937f40ae61ae
SHA1 403577eaaed717c3424fd09b0693d063dc3d726d
SHA256 c2ca82d81814a65d0b156e9b52a3594417b1ad31e3944001e57924993bccd72f
SHA512 4c16ee89120cede770e92169d78a186e8de3dedf1d80ef7f3735d5f82530658be2872c816faec0bc76137911e32f7e2fb8ca2d2334b1d056c2fc514efee242ec

memory/2972-61-0x0000000004DB0000-0x0000000004DF6000-memory.dmp

memory/2972-62-0x0000000005420000-0x0000000005464000-memory.dmp

memory/2972-72-0x0000000005420000-0x000000000545F000-memory.dmp

memory/2972-76-0x0000000005420000-0x000000000545F000-memory.dmp

memory/2972-96-0x0000000005420000-0x000000000545F000-memory.dmp

memory/2972-94-0x0000000005420000-0x000000000545F000-memory.dmp

memory/2972-92-0x0000000005420000-0x000000000545F000-memory.dmp

memory/2972-90-0x0000000005420000-0x000000000545F000-memory.dmp

memory/2972-88-0x0000000005420000-0x000000000545F000-memory.dmp

memory/2972-86-0x0000000005420000-0x000000000545F000-memory.dmp

memory/2972-84-0x0000000005420000-0x000000000545F000-memory.dmp

memory/2972-82-0x0000000005420000-0x000000000545F000-memory.dmp

memory/2972-80-0x0000000005420000-0x000000000545F000-memory.dmp

memory/2972-78-0x0000000005420000-0x000000000545F000-memory.dmp

memory/2972-74-0x0000000005420000-0x000000000545F000-memory.dmp

memory/2972-70-0x0000000005420000-0x000000000545F000-memory.dmp

memory/2972-68-0x0000000005420000-0x000000000545F000-memory.dmp

memory/2972-66-0x0000000005420000-0x000000000545F000-memory.dmp

memory/2972-64-0x0000000005420000-0x000000000545F000-memory.dmp

memory/2972-63-0x0000000005420000-0x000000000545F000-memory.dmp

memory/2972-969-0x0000000005460000-0x0000000005A78000-memory.dmp

memory/2972-970-0x0000000005AE0000-0x0000000005BEA000-memory.dmp

memory/2972-971-0x0000000005C20000-0x0000000005C32000-memory.dmp

memory/2972-972-0x0000000005C40000-0x0000000005C7C000-memory.dmp

memory/2972-973-0x0000000005D90000-0x0000000005DDC000-memory.dmp