Malware Analysis Report

2025-05-06 01:34

Sample ID 241110-dy5ymsxret
Target 91b1f2defa00283007804cdd0cb25a3cb30d52e53e684d695381c0ddfb365e4c
SHA256 91b1f2defa00283007804cdd0cb25a3cb30d52e53e684d695381c0ddfb365e4c
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

91b1f2defa00283007804cdd0cb25a3cb30d52e53e684d695381c0ddfb365e4c

Threat Level: Known bad

The file 91b1f2defa00283007804cdd0cb25a3cb30d52e53e684d695381c0ddfb365e4c was found to be: Known bad.

Malicious Activity Summary

healer redline rosn discovery dropper evasion infostealer persistence trojan

Healer family

Healer

RedLine payload

Redline family

RedLine

Detects Healer an antivirus disabler dropper

Modifies Windows Defender Real-time Protection settings

Windows security modification

Executes dropped EXE

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 03:25

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 03:25

Reported

2024-11-10 03:28

Platform

win10v2004-20241007-en

Max time kernel

144s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\91b1f2defa00283007804cdd0cb25a3cb30d52e53e684d695381c0ddfb365e4c.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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr607469.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr607469.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr607469.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr607469.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr607469.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr607469.exe N/A

RedLine

infostealer redline

RedLine payload

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Redline family

redline

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr607469.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\91b1f2defa00283007804cdd0cb25a3cb30d52e53e684d695381c0ddfb365e4c.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\ziZs4183.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\91b1f2defa00283007804cdd0cb25a3cb30d52e53e684d695381c0ddfb365e4c.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziZs4183.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku573081.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr607469.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr607469.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr607469.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku573081.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\91b1f2defa00283007804cdd0cb25a3cb30d52e53e684d695381c0ddfb365e4c.exe

"C:\Users\Admin\AppData\Local\Temp\91b1f2defa00283007804cdd0cb25a3cb30d52e53e684d695381c0ddfb365e4c.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziZs4183.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziZs4183.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr607469.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr607469.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku573081.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku573081.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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.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 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
RU 176.113.115.145:4125 tcp
US 8.8.8.8:53 88.210.23.2.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
RU 176.113.115.145:4125 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziZs4183.exe

MD5 938722fa5f471af6fadb0b8fe4c2a3b2
SHA1 a69f237c13cfec61710791f456c3251155f141c3
SHA256 b239348fa0b7974b3b2c8d0713ac5bb70b6abc9a1c42d0e54848bb441940f420
SHA512 346d496220835e2c90acef4f89abdb315deafe1bf2bc1af60eda6237c6c12d7b0e2f9125fcfb339338b0ddfdae161afcb03b8736f0d901bb4743aa9b532e2b98

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr607469.exe

MD5 4e3dc94cd5ce065af5b9df86565be9f7
SHA1 cbacfae0390941a8f0bb603acdcb66583a5672a5
SHA256 a7d16596dc2ab52b51d73f17ff3a47d4909779ee279d8a02e96f25bfdace8958
SHA512 3f83600a1d73b17b486634a3ea953ddc8d71b333739c26c011b7e5bb146ab2d261bcc66d6a66b302e9df834c4912ec1ec3f7b34e46ab3e5c5f49633278c422ac

memory/3012-14-0x00007FF92F2C3000-0x00007FF92F2C5000-memory.dmp

memory/3012-15-0x0000000000BC0000-0x0000000000BCA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku573081.exe

MD5 30ee015405ea994646904a8f5ec69dab
SHA1 e0fa2cd119ca10b3311b18da7acb86f180b0f3cc
SHA256 bbb422ad5159e12bc3c72c01e1733eff81e4d0c3c46cbe37fa48f36eacf0e7d8
SHA512 a30ad46ecd159fabf891ca0dabdb6de1ce19fa83a8308d6af8be1d069bb447755d722705ec726dee879b31080276729535bd00d41b8b3eaeb7971da3bb65222c

memory/4900-21-0x0000000002820000-0x0000000002866000-memory.dmp

memory/4900-22-0x0000000004FA0000-0x0000000005544000-memory.dmp

memory/4900-23-0x0000000004E60000-0x0000000004EA4000-memory.dmp

memory/4900-25-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-38-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-87-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-83-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-81-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-80-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-77-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-75-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-73-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-71-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-69-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-67-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-65-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-63-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-61-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-59-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-55-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-53-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-51-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-49-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-47-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-46-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-41-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-39-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-35-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-33-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-32-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-29-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-27-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-85-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-57-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-43-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-24-0x0000000004E60000-0x0000000004E9F000-memory.dmp

memory/4900-930-0x0000000005550000-0x0000000005B68000-memory.dmp

memory/4900-931-0x0000000005B70000-0x0000000005C7A000-memory.dmp

memory/4900-932-0x0000000004F30000-0x0000000004F42000-memory.dmp

memory/4900-933-0x0000000004F50000-0x0000000004F8C000-memory.dmp

memory/4900-934-0x0000000005D90000-0x0000000005DDC000-memory.dmp