Malware Analysis Report

2025-08-10 13:16

Sample ID 241109-eg5f8axbnh
Target 66f5f8ab44c11e1b9a0282a1eeabf3c6b860ac7d953c3e73dcdc8bb2fa038e4a
SHA256 66f5f8ab44c11e1b9a0282a1eeabf3c6b860ac7d953c3e73dcdc8bb2fa038e4a
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

66f5f8ab44c11e1b9a0282a1eeabf3c6b860ac7d953c3e73dcdc8bb2fa038e4a

Threat Level: Known bad

The file 66f5f8ab44c11e1b9a0282a1eeabf3c6b860ac7d953c3e73dcdc8bb2fa038e4a was found to be: Known bad.

Malicious Activity Summary

healer redline discovery dropper evasion infostealer persistence trojan

Redline family

RedLine

Healer family

Detects Healer an antivirus disabler dropper

Healer

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

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 03:55

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 03:55

Reported

2024-11-09 03:58

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\66f5f8ab44c11e1b9a0282a1eeabf3c6b860ac7d953c3e73dcdc8bb2fa038e4a.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\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it223629.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\it223629.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\it223629.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it223629.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\it223629.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it223629.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\it223629.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_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\zibx0521.exe N/A
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\66f5f8ab44c11e1b9a0282a1eeabf3c6b860ac7d953c3e73dcdc8bb2fa038e4a.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\66f5f8ab44c11e1b9a0282a1eeabf3c6b860ac7d953c3e73dcdc8bb2fa038e4a.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zibx0521.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp899988.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it223629.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it223629.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it223629.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp899988.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\66f5f8ab44c11e1b9a0282a1eeabf3c6b860ac7d953c3e73dcdc8bb2fa038e4a.exe

"C:\Users\Admin\AppData\Local\Temp\66f5f8ab44c11e1b9a0282a1eeabf3c6b860ac7d953c3e73dcdc8bb2fa038e4a.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zibx0521.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zibx0521.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it223629.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it223629.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp899988.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp899988.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 185.161.248.153:38452 tcp
RU 185.161.248.153:38452 tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
RU 185.161.248.153:38452 tcp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
RU 185.161.248.153:38452 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
RU 185.161.248.153:38452 tcp
RU 185.161.248.153:38452 tcp
RU 185.161.248.153:38452 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zibx0521.exe

MD5 e4e509f56b9c1561d1bbf56d911cf92a
SHA1 489878a081c290c070760f17e0cc831d966ca2ff
SHA256 f4b7538e2f3f163923b94c8eb4f0d807caad56224f353ab774e8064f23a5349f
SHA512 c8a57372f79ec3459a5da8df3d63b6a6c1197e4111c40c0129385528cba29c3ea9cc68ade64a700cc61c8570fe9df5c0a7c68800badfd8662bac7c89674ea2d9

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it223629.exe

MD5 7e93bacbbc33e6652e147e7fe07572a0
SHA1 421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256 850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512 250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

memory/4144-14-0x00007FFC0ED53000-0x00007FFC0ED55000-memory.dmp

memory/4144-15-0x0000000000F00000-0x0000000000F0A000-memory.dmp

memory/4144-16-0x00007FFC0ED53000-0x00007FFC0ED55000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp899988.exe

MD5 23e05775d275ce30506c5b69e89103a0
SHA1 71739118e6dbaada5caaee39b044d5edd2d925da
SHA256 5f7660140ac3945a4662a8e0d730541e204bcc9d519e8fb3da9f9c0828825ae9
SHA512 db55bf20712d31249aa472f113a042adf55927dd86aa2fde9f919b92213cb689184cdf3f1542cf46fc52d5e222b7c8b7943345c4fb7cec5007c466c42901644d

memory/2128-22-0x0000000004BC0000-0x0000000004BFC000-memory.dmp

memory/2128-23-0x0000000007450000-0x00000000079F4000-memory.dmp

memory/2128-24-0x0000000004C60000-0x0000000004C9A000-memory.dmp

memory/2128-29-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-38-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-89-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-86-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-84-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-82-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-80-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-78-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-72-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-70-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-69-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-66-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-64-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-62-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-61-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-58-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-57-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-54-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-53-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-50-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-48-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-46-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-44-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-42-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-40-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-36-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-34-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-32-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-30-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-76-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-74-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-26-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-25-0x0000000004C60000-0x0000000004C95000-memory.dmp

memory/2128-817-0x0000000009D80000-0x000000000A398000-memory.dmp

memory/2128-818-0x0000000004DA0000-0x0000000004DB2000-memory.dmp

memory/2128-819-0x000000000A3A0000-0x000000000A4AA000-memory.dmp

memory/2128-820-0x000000000A4B0000-0x000000000A4EC000-memory.dmp

memory/2128-821-0x00000000049F0000-0x0000000004A3C000-memory.dmp