Malware Analysis Report

2025-08-10 13:16

Sample ID 241109-ehxsrswnes
Target 641b8d75c77cb2dc272f3cb5c5a3275ac48070280d955f67c017b81c1a2c3a87
SHA256 641b8d75c77cb2dc272f3cb5c5a3275ac48070280d955f67c017b81c1a2c3a87
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

641b8d75c77cb2dc272f3cb5c5a3275ac48070280d955f67c017b81c1a2c3a87

Threat Level: Known bad

The file 641b8d75c77cb2dc272f3cb5c5a3275ac48070280d955f67c017b81c1a2c3a87 was found to be: Known bad.

Malicious Activity Summary

healer redline rosn discovery dropper evasion infostealer persistence trojan

Healer family

Healer

RedLine

Redline family

Detects Healer an antivirus disabler dropper

Modifies Windows Defender Real-time Protection settings

RedLine payload

Executes dropped EXE

Windows security modification

Adds Run key to start application

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 03:57

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 03:57

Reported

2024-11-09 03:59

Platform

win10v2004-20241007-en

Max time kernel

143s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\641b8d75c77cb2dc272f3cb5c5a3275ac48070280d955f67c017b81c1a2c3a87.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\pro2480.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro2480.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\pro2480.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\pro2480.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\pro2480.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\pro2480.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\pro2480.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro2480.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\641b8d75c77cb2dc272f3cb5c5a3275ac48070280d955f67c017b81c1a2c3a87.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\un651604.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\641b8d75c77cb2dc272f3cb5c5a3275ac48070280d955f67c017b81c1a2c3a87.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un651604.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro2480.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4898.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro2480.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro2480.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro2480.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4898.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4572 wrote to memory of 780 N/A C:\Users\Admin\AppData\Local\Temp\641b8d75c77cb2dc272f3cb5c5a3275ac48070280d955f67c017b81c1a2c3a87.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un651604.exe
PID 4572 wrote to memory of 780 N/A C:\Users\Admin\AppData\Local\Temp\641b8d75c77cb2dc272f3cb5c5a3275ac48070280d955f67c017b81c1a2c3a87.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un651604.exe
PID 4572 wrote to memory of 780 N/A C:\Users\Admin\AppData\Local\Temp\641b8d75c77cb2dc272f3cb5c5a3275ac48070280d955f67c017b81c1a2c3a87.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un651604.exe
PID 780 wrote to memory of 4092 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un651604.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro2480.exe
PID 780 wrote to memory of 4092 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un651604.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro2480.exe
PID 780 wrote to memory of 4092 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un651604.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro2480.exe
PID 780 wrote to memory of 4872 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un651604.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4898.exe
PID 780 wrote to memory of 4872 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un651604.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4898.exe
PID 780 wrote to memory of 4872 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un651604.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4898.exe

Processes

C:\Users\Admin\AppData\Local\Temp\641b8d75c77cb2dc272f3cb5c5a3275ac48070280d955f67c017b81c1a2c3a87.exe

"C:\Users\Admin\AppData\Local\Temp\641b8d75c77cb2dc272f3cb5c5a3275ac48070280d955f67c017b81c1a2c3a87.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un651604.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un651604.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro2480.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro2480.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4092 -ip 4092

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4092 -s 1080

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4898.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4898.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.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
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 73.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
RU 176.113.115.145:4125 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
RU 176.113.115.145:4125 tcp
RU 176.113.115.145:4125 tcp
US 8.8.8.8:53 19.229.111.52.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\un651604.exe

MD5 aaf7bc137f49057c5294e1809c75767d
SHA1 cca395c6a842ba45074eddf96c49e3ab32282f8b
SHA256 28eb1cd558ffc6500514274c8c7f9cfda9438b4b436b62c2753ac5d65f80e9c7
SHA512 ef06b824633ac760bf07b07a37204df9d869f62403cce980a245f6f2ab6a6b696d307b7eed24025ee7a7289406464a8f5133840daee3988b1ba510cfa674eed2

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro2480.exe

MD5 9457731db5f5f51c0a950b64304c1b76
SHA1 6e9e19b8a17502a0611cf7eaeae6fb18daf5203b
SHA256 84aad0a93400bd1163158a9b2c2776ba1a378592d60f8ea9a2a48bc411a54259
SHA512 17172306b352a1764c4300e7a264a11917a347fa55c183f06bbd53a2983eae2b4e0de4e10a7807289751a7f48e1db79d7cb5c0d64d0296d7cfd953ea634e828e

memory/4092-15-0x0000000000710000-0x0000000000810000-memory.dmp

memory/4092-16-0x0000000000590000-0x00000000005BD000-memory.dmp

memory/4092-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4092-18-0x0000000000400000-0x00000000004A9000-memory.dmp

memory/4092-19-0x0000000002460000-0x000000000247A000-memory.dmp

memory/4092-20-0x0000000004AC0000-0x0000000005064000-memory.dmp

memory/4092-21-0x0000000004A40000-0x0000000004A58000-memory.dmp

memory/4092-39-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/4092-49-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/4092-47-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/4092-45-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/4092-43-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/4092-41-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/4092-37-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/4092-36-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/4092-33-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/4092-31-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/4092-29-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/4092-27-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/4092-25-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/4092-24-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/4092-22-0x0000000004A40000-0x0000000004A52000-memory.dmp

memory/4092-50-0x0000000000710000-0x0000000000810000-memory.dmp

memory/4092-51-0x0000000000590000-0x00000000005BD000-memory.dmp

memory/4092-52-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4092-55-0x0000000000400000-0x00000000004A9000-memory.dmp

memory/4092-56-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4898.exe

MD5 940a3d3984699ddb7fc81a73383abb2c
SHA1 0b960f05d410f4ed1d3c3b4aa620ef6f6b2a9e5a
SHA256 d7296f13c938af5cafcf426acb96097cdb025db141c4915ab63581e91169aa0e
SHA512 ef8d6f6afb8075f2a7217e57039f59ddd3c9b633304bb46903f0860cd7554da306e09c61da7ae362c695c6b421bc539ec6e06244646cc2608a6b410c228a7066

memory/4872-61-0x00000000025B0000-0x00000000025F6000-memory.dmp

memory/4872-62-0x0000000005070000-0x00000000050B4000-memory.dmp

memory/4872-76-0x0000000005070000-0x00000000050AF000-memory.dmp

memory/4872-70-0x0000000005070000-0x00000000050AF000-memory.dmp

memory/4872-68-0x0000000005070000-0x00000000050AF000-memory.dmp

memory/4872-66-0x0000000005070000-0x00000000050AF000-memory.dmp

memory/4872-64-0x0000000005070000-0x00000000050AF000-memory.dmp

memory/4872-63-0x0000000005070000-0x00000000050AF000-memory.dmp

memory/4872-94-0x0000000005070000-0x00000000050AF000-memory.dmp

memory/4872-96-0x0000000005070000-0x00000000050AF000-memory.dmp

memory/4872-92-0x0000000005070000-0x00000000050AF000-memory.dmp

memory/4872-90-0x0000000005070000-0x00000000050AF000-memory.dmp

memory/4872-88-0x0000000005070000-0x00000000050AF000-memory.dmp

memory/4872-86-0x0000000005070000-0x00000000050AF000-memory.dmp

memory/4872-84-0x0000000005070000-0x00000000050AF000-memory.dmp

memory/4872-82-0x0000000005070000-0x00000000050AF000-memory.dmp

memory/4872-80-0x0000000005070000-0x00000000050AF000-memory.dmp

memory/4872-78-0x0000000005070000-0x00000000050AF000-memory.dmp

memory/4872-74-0x0000000005070000-0x00000000050AF000-memory.dmp

memory/4872-72-0x0000000005070000-0x00000000050AF000-memory.dmp

memory/4872-969-0x00000000050F0000-0x0000000005708000-memory.dmp

memory/4872-970-0x0000000005790000-0x000000000589A000-memory.dmp

memory/4872-971-0x00000000058D0000-0x00000000058E2000-memory.dmp

memory/4872-972-0x00000000058F0000-0x000000000592C000-memory.dmp

memory/4872-973-0x0000000005A40000-0x0000000005A8C000-memory.dmp