Malware Analysis Report

2025-08-06 01:53

Sample ID 241111-hjha9aykfj
Target b73f5ee5357df4ce2bc77a498a66204f379214983e62bc9e29d5e5b1ff5e8588
SHA256 b73f5ee5357df4ce2bc77a498a66204f379214983e62bc9e29d5e5b1ff5e8588
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

b73f5ee5357df4ce2bc77a498a66204f379214983e62bc9e29d5e5b1ff5e8588

Threat Level: Known bad

The file b73f5ee5357df4ce2bc77a498a66204f379214983e62bc9e29d5e5b1ff5e8588 was found to be: Known bad.

Malicious Activity Summary

healer redline rosn discovery dropper evasion infostealer persistence trojan

Detects Healer an antivirus disabler dropper

Healer family

RedLine payload

Modifies Windows Defender Real-time Protection settings

Redline family

RedLine

Healer

Executes dropped EXE

Windows security modification

Adds Run key to start application

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

2024-11-11 06:45

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 06:45

Reported

2024-11-11 06:48

Platform

win10v2004-20241007-en

Max time kernel

143s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b73f5ee5357df4ce2bc77a498a66204f379214983e62bc9e29d5e5b1ff5e8588.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\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro6681.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\pro6681.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\pro6681.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\pro6681.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro6681.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\pro6681.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\pro6681.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro6681.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\b73f5ee5357df4ce2bc77a498a66204f379214983e62bc9e29d5e5b1ff5e8588.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\un257928.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\IXP000.TMP\un257928.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro6681.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1811.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b73f5ee5357df4ce2bc77a498a66204f379214983e62bc9e29d5e5b1ff5e8588.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro6681.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro6681.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro6681.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1811.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1780 wrote to memory of 4216 N/A C:\Users\Admin\AppData\Local\Temp\b73f5ee5357df4ce2bc77a498a66204f379214983e62bc9e29d5e5b1ff5e8588.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un257928.exe
PID 1780 wrote to memory of 4216 N/A C:\Users\Admin\AppData\Local\Temp\b73f5ee5357df4ce2bc77a498a66204f379214983e62bc9e29d5e5b1ff5e8588.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un257928.exe
PID 1780 wrote to memory of 4216 N/A C:\Users\Admin\AppData\Local\Temp\b73f5ee5357df4ce2bc77a498a66204f379214983e62bc9e29d5e5b1ff5e8588.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un257928.exe
PID 4216 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un257928.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro6681.exe
PID 4216 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un257928.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro6681.exe
PID 4216 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un257928.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro6681.exe
PID 4216 wrote to memory of 1600 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un257928.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1811.exe
PID 4216 wrote to memory of 1600 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un257928.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1811.exe
PID 4216 wrote to memory of 1600 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un257928.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1811.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b73f5ee5357df4ce2bc77a498a66204f379214983e62bc9e29d5e5b1ff5e8588.exe

"C:\Users\Admin\AppData\Local\Temp\b73f5ee5357df4ce2bc77a498a66204f379214983e62bc9e29d5e5b1ff5e8588.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un257928.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un257928.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro6681.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro6681.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1811.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1811.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.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 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
RU 176.113.115.145:4125 tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 74.209.201.84.in-addr.arpa udp
RU 176.113.115.145:4125 tcp
RU 176.113.115.145:4125 tcp
US 8.8.8.8:53 21.236.111.52.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\un257928.exe

MD5 8abcd2c98fd4d3cc8904093fccccc316
SHA1 7342c8fd88c43694cc7e824922e951ef20498aeb
SHA256 0804472e42ec40ea74ecd7b6b3dfe8f5fe4112e90c348f710c8bb40cdde1642e
SHA512 7c4cca36d8bab21748d2a85ac9365fdfa0e6a990af78f562ed9bb4c9d59a87f5ac010a054ec6d6eb46cf78331e97b710787929cce6371ac7130f1f97b060c99d

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro6681.exe

MD5 3577031e941ad282890e6fe81ea04e84
SHA1 4e0a2a195465c8864dc73f8eb36e7be7517c9a49
SHA256 1b7cfb6d1afe80e1e5b5c57723c67be038782650e54b382e7737f93401294ce9
SHA512 ff74162b1c265c283984ae8ca2ce21fbc5a3989ff579a16115b5989557ce6524d1b3e4ea9765ab956340058b75a9b9034ad9908187915b549904e48346b52291

memory/2544-15-0x00000000006B0000-0x00000000007B0000-memory.dmp

memory/2544-16-0x0000000000610000-0x000000000063D000-memory.dmp

memory/2544-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2544-18-0x0000000000400000-0x00000000004AA000-memory.dmp

memory/2544-19-0x0000000002290000-0x00000000022AA000-memory.dmp

memory/2544-20-0x0000000004C40000-0x00000000051E4000-memory.dmp

memory/2544-21-0x0000000002500000-0x0000000002518000-memory.dmp

memory/2544-49-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2544-47-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2544-45-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2544-43-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2544-41-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2544-22-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2544-39-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2544-38-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2544-35-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2544-33-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2544-31-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2544-29-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2544-27-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2544-25-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2544-23-0x0000000002500000-0x0000000002512000-memory.dmp

memory/2544-50-0x00000000006B0000-0x00000000007B0000-memory.dmp

memory/2544-51-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2544-54-0x0000000000400000-0x00000000004AA000-memory.dmp

memory/2544-55-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1811.exe

MD5 f7c7a153737bdf4089880ea6639ecb69
SHA1 57d037aab67c964a1cad4305f6f0c7c5ff34e715
SHA256 cf52818bdad3bee6af15c6bec7e288b477f9319e433ae396264a5bbc17c9efac
SHA512 8f05f8257c57c7619b0c25a4890b6c74f94c9fe6d58e01c0ba8a11932b073c36300b7ed65c9a7774b82dc561b039b8070741d593c6a53930abc92f00270b8555

memory/1600-60-0x0000000004A20000-0x0000000004A66000-memory.dmp

memory/1600-61-0x0000000004AA0000-0x0000000004AE4000-memory.dmp

memory/1600-85-0x0000000004AA0000-0x0000000004ADF000-memory.dmp

memory/1600-87-0x0000000004AA0000-0x0000000004ADF000-memory.dmp

memory/1600-95-0x0000000004AA0000-0x0000000004ADF000-memory.dmp

memory/1600-93-0x0000000004AA0000-0x0000000004ADF000-memory.dmp

memory/1600-91-0x0000000004AA0000-0x0000000004ADF000-memory.dmp

memory/1600-89-0x0000000004AA0000-0x0000000004ADF000-memory.dmp

memory/1600-83-0x0000000004AA0000-0x0000000004ADF000-memory.dmp

memory/1600-81-0x0000000004AA0000-0x0000000004ADF000-memory.dmp

memory/1600-79-0x0000000004AA0000-0x0000000004ADF000-memory.dmp

memory/1600-77-0x0000000004AA0000-0x0000000004ADF000-memory.dmp

memory/1600-75-0x0000000004AA0000-0x0000000004ADF000-memory.dmp

memory/1600-73-0x0000000004AA0000-0x0000000004ADF000-memory.dmp

memory/1600-71-0x0000000004AA0000-0x0000000004ADF000-memory.dmp

memory/1600-69-0x0000000004AA0000-0x0000000004ADF000-memory.dmp

memory/1600-67-0x0000000004AA0000-0x0000000004ADF000-memory.dmp

memory/1600-65-0x0000000004AA0000-0x0000000004ADF000-memory.dmp

memory/1600-63-0x0000000004AA0000-0x0000000004ADF000-memory.dmp

memory/1600-62-0x0000000004AA0000-0x0000000004ADF000-memory.dmp

memory/1600-968-0x00000000051D0000-0x00000000057E8000-memory.dmp

memory/1600-969-0x00000000057F0000-0x00000000058FA000-memory.dmp

memory/1600-970-0x0000000004BE0000-0x0000000004BF2000-memory.dmp

memory/1600-971-0x0000000005900000-0x000000000593C000-memory.dmp

memory/1600-972-0x0000000005A40000-0x0000000005A8C000-memory.dmp