Malware Analysis Report

2025-01-23 07:46

Sample ID 241107-3jpesazfrp
Target 5cb43f9cb01a33a2483e2164259f2f4877e10091900b2e11a299aaad8ed2d69f
SHA256 5cb43f9cb01a33a2483e2164259f2f4877e10091900b2e11a299aaad8ed2d69f
Tags
healer redline fukia 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

5cb43f9cb01a33a2483e2164259f2f4877e10091900b2e11a299aaad8ed2d69f

Threat Level: Known bad

The file 5cb43f9cb01a33a2483e2164259f2f4877e10091900b2e11a299aaad8ed2d69f was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Detects Healer an antivirus disabler dropper

Healer family

Modifies Windows Defender Real-time Protection settings

RedLine

Healer

RedLine payload

Redline family

Executes dropped EXE

Windows security modification

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 23:32

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 23:32

Reported

2024-11-07 23:35

Platform

win10v2004-20241007-en

Max time kernel

143s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5cb43f9cb01a33a2483e2164259f2f4877e10091900b2e11a299aaad8ed2d69f.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
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYX99BT.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\bYX99BT.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\bYX99BT.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\bYX99BT.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\bYX99BT.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\bYX99BT.exe N/A

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

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\bYX99BT.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYX99BT.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\5cb43f9cb01a33a2483e2164259f2f4877e10091900b2e11a299aaad8ed2d69f.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\nbA51Cr.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\bYX99BT.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCM82ec.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\5cb43f9cb01a33a2483e2164259f2f4877e10091900b2e11a299aaad8ed2d69f.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nbA51Cr.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYX99BT.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYX99BT.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYX99BT.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4468 wrote to memory of 4008 N/A C:\Users\Admin\AppData\Local\Temp\5cb43f9cb01a33a2483e2164259f2f4877e10091900b2e11a299aaad8ed2d69f.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nbA51Cr.exe
PID 4468 wrote to memory of 4008 N/A C:\Users\Admin\AppData\Local\Temp\5cb43f9cb01a33a2483e2164259f2f4877e10091900b2e11a299aaad8ed2d69f.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nbA51Cr.exe
PID 4468 wrote to memory of 4008 N/A C:\Users\Admin\AppData\Local\Temp\5cb43f9cb01a33a2483e2164259f2f4877e10091900b2e11a299aaad8ed2d69f.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nbA51Cr.exe
PID 4008 wrote to memory of 3620 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nbA51Cr.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYX99BT.exe
PID 4008 wrote to memory of 3620 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nbA51Cr.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYX99BT.exe
PID 4008 wrote to memory of 3620 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nbA51Cr.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYX99BT.exe
PID 4008 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nbA51Cr.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCM82ec.exe
PID 4008 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nbA51Cr.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCM82ec.exe
PID 4008 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nbA51Cr.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCM82ec.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5cb43f9cb01a33a2483e2164259f2f4877e10091900b2e11a299aaad8ed2d69f.exe

"C:\Users\Admin\AppData\Local\Temp\5cb43f9cb01a33a2483e2164259f2f4877e10091900b2e11a299aaad8ed2d69f.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nbA51Cr.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nbA51Cr.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYX99BT.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYX99BT.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3620 -ip 3620

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3620 -s 1080

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCM82ec.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCM82ec.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.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 193.233.20.13:4136 tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nbA51Cr.exe

MD5 59085b726b55b39fefb8c303d626f59d
SHA1 2fd8208b76ee9db177124e367c4e9ebb20442f7f
SHA256 1d5fbaad84a756f971e7b35e79388872be4c02787a2d5501a34576ed933f8840
SHA512 d8f2a4c7b14e73b841394b9fa0c84b1f80f11fbb9f5403af6d2fae7b0322462cd71d5c99f3922ebc5bcd81b688075ffed541feba2c185d5666ff695f840802f7

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYX99BT.exe

MD5 650edc19b1aca3918cac9653356216eb
SHA1 ef9a1f60652100833594be40d28f9ffe6a2055fd
SHA256 0e711dbb0f5f93270c09a23732b1667c61f63a3eef25a7ef52a85ffa5423cf89
SHA512 296fb1cf316e10f7392cee004e879ff8870b643378c2b8ad55346523eaea0863e7948a709c1aa693087cb18f6aa16e84dc5e0da13f0839275a649a1c9daece19

memory/3620-15-0x0000000000910000-0x0000000000A10000-memory.dmp

memory/3620-16-0x00000000008C0000-0x00000000008ED000-memory.dmp

memory/3620-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3620-18-0x0000000000400000-0x0000000000755000-memory.dmp

memory/3620-19-0x00000000025B0000-0x00000000025CA000-memory.dmp

memory/3620-20-0x0000000004E40000-0x00000000053E4000-memory.dmp

memory/3620-21-0x00000000028A0000-0x00000000028B8000-memory.dmp

memory/3620-49-0x00000000028A0000-0x00000000028B2000-memory.dmp

memory/3620-48-0x00000000028A0000-0x00000000028B2000-memory.dmp

memory/3620-45-0x00000000028A0000-0x00000000028B2000-memory.dmp

memory/3620-44-0x00000000028A0000-0x00000000028B2000-memory.dmp

memory/3620-41-0x00000000028A0000-0x00000000028B2000-memory.dmp

memory/3620-39-0x00000000028A0000-0x00000000028B2000-memory.dmp

memory/3620-38-0x00000000028A0000-0x00000000028B2000-memory.dmp

memory/3620-35-0x00000000028A0000-0x00000000028B2000-memory.dmp

memory/3620-33-0x00000000028A0000-0x00000000028B2000-memory.dmp

memory/3620-31-0x00000000028A0000-0x00000000028B2000-memory.dmp

memory/3620-29-0x00000000028A0000-0x00000000028B2000-memory.dmp

memory/3620-27-0x00000000028A0000-0x00000000028B2000-memory.dmp

memory/3620-25-0x00000000028A0000-0x00000000028B2000-memory.dmp

memory/3620-23-0x00000000028A0000-0x00000000028B2000-memory.dmp

memory/3620-22-0x00000000028A0000-0x00000000028B2000-memory.dmp

memory/3620-50-0x0000000000910000-0x0000000000A10000-memory.dmp

memory/3620-51-0x00000000008C0000-0x00000000008ED000-memory.dmp

memory/3620-52-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3620-55-0x0000000000400000-0x0000000000755000-memory.dmp

memory/3620-56-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCM82ec.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/1264-60-0x0000000000620000-0x0000000000652000-memory.dmp

memory/1264-61-0x0000000005580000-0x0000000005B98000-memory.dmp

memory/1264-62-0x0000000005100000-0x000000000520A000-memory.dmp

memory/1264-63-0x0000000005040000-0x0000000005052000-memory.dmp

memory/1264-64-0x00000000050A0000-0x00000000050DC000-memory.dmp

memory/1264-65-0x0000000005210000-0x000000000525C000-memory.dmp