Malware Analysis Report

2025-01-23 07:48

Sample ID 241107-p662fssfrm
Target 6ef6afea72b1f991ddde1f78a615a68238adfe53565b33f4a869d9f771980c8b
SHA256 6ef6afea72b1f991ddde1f78a615a68238adfe53565b33f4a869d9f771980c8b
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

6ef6afea72b1f991ddde1f78a615a68238adfe53565b33f4a869d9f771980c8b

Threat Level: Known bad

The file 6ef6afea72b1f991ddde1f78a615a68238adfe53565b33f4a869d9f771980c8b was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Detects Healer an antivirus disabler dropper

RedLine payload

Redline family

Healer family

Healer

Modifies Windows Defender Real-time Protection settings

RedLine

Windows security modification

Executes dropped EXE

Adds Run key to start application

Program crash

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

2024-11-07 12:57

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 12:57

Reported

2024-11-07 13:00

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6ef6afea72b1f991ddde1f78a615a68238adfe53565b33f4a869d9f771980c8b.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\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dZD42aD.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\dZD42aD.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\dZD42aD.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\dZD42aD.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\eNr76dh.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\eNr76dh.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\eNr76dh.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\dZD42aD.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\dZD42aD.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eNr76dh.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\eNr76dh.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\eNr76dh.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
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dZD42aD.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eNr76dh.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eNr76dh.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\6ef6afea72b1f991ddde1f78a615a68238adfe53565b33f4a869d9f771980c8b.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\nKs49pj99.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\6ef6afea72b1f991ddde1f78a615a68238adfe53565b33f4a869d9f771980c8b.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKs49pj99.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eNr76dh.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fRG12dQ.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dZD42aD.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eNr76dh.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1016 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\6ef6afea72b1f991ddde1f78a615a68238adfe53565b33f4a869d9f771980c8b.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKs49pj99.exe
PID 1016 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\6ef6afea72b1f991ddde1f78a615a68238adfe53565b33f4a869d9f771980c8b.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKs49pj99.exe
PID 1016 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\6ef6afea72b1f991ddde1f78a615a68238adfe53565b33f4a869d9f771980c8b.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKs49pj99.exe
PID 4976 wrote to memory of 4424 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKs49pj99.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dZD42aD.exe
PID 4976 wrote to memory of 4424 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKs49pj99.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dZD42aD.exe
PID 4976 wrote to memory of 3468 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKs49pj99.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eNr76dh.exe
PID 4976 wrote to memory of 3468 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKs49pj99.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eNr76dh.exe
PID 4976 wrote to memory of 3468 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKs49pj99.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eNr76dh.exe
PID 1016 wrote to memory of 644 N/A C:\Users\Admin\AppData\Local\Temp\6ef6afea72b1f991ddde1f78a615a68238adfe53565b33f4a869d9f771980c8b.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fRG12dQ.exe
PID 1016 wrote to memory of 644 N/A C:\Users\Admin\AppData\Local\Temp\6ef6afea72b1f991ddde1f78a615a68238adfe53565b33f4a869d9f771980c8b.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fRG12dQ.exe
PID 1016 wrote to memory of 644 N/A C:\Users\Admin\AppData\Local\Temp\6ef6afea72b1f991ddde1f78a615a68238adfe53565b33f4a869d9f771980c8b.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fRG12dQ.exe

Processes

C:\Users\Admin\AppData\Local\Temp\6ef6afea72b1f991ddde1f78a615a68238adfe53565b33f4a869d9f771980c8b.exe

"C:\Users\Admin\AppData\Local\Temp\6ef6afea72b1f991ddde1f78a615a68238adfe53565b33f4a869d9f771980c8b.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKs49pj99.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKs49pj99.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dZD42aD.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dZD42aD.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eNr76dh.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eNr76dh.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3468 -ip 3468

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3468 -s 1088

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fRG12dQ.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fRG12dQ.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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKs49pj99.exe

MD5 1f83480ad71a8d7437f25687844a5741
SHA1 890a5246862c5e2f9dbe55b9bc85f5db14612ef8
SHA256 beebf62dddc95d4ead8fffce001d730f12eb8a03318feb4cc45f41dd57d347df
SHA512 2b3763945d7816d58d57de2795c1fbf428ef969ca4de59e2ec0d2a81479fd7f2b083924e075b7191174c51cfe454e50c542767d681b03a5772e3bd8e7ec59c07

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dZD42aD.exe

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

memory/4424-14-0x00007FFA81253000-0x00007FFA81255000-memory.dmp

memory/4424-15-0x0000000000310000-0x000000000031A000-memory.dmp

memory/4424-16-0x00007FFA81253000-0x00007FFA81255000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eNr76dh.exe

MD5 42f3cdd0ab9ef3da2290e7aef9b9ae06
SHA1 181e0149f58fadf2443ed28a164bc997970d2b6b
SHA256 4b78d91fa2c282a7d372229c420484a38a6b84a07dfee7a98db960f2cc009b9d
SHA512 2b64e98b1bfcd4815d663a3bf1a194de2897bb877057246d6c6ffedb1b665715952942f808406d6dd5079061f987431549de297fbe2f7291b1f900d45c006572

memory/3468-22-0x00000000024C0000-0x00000000024DA000-memory.dmp

memory/3468-23-0x0000000004CE0000-0x0000000005284000-memory.dmp

memory/3468-24-0x0000000004C50000-0x0000000004C68000-memory.dmp

memory/3468-25-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/3468-32-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/3468-30-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/3468-28-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/3468-26-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/3468-52-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/3468-50-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/3468-48-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/3468-46-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/3468-44-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/3468-42-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/3468-40-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/3468-38-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/3468-36-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/3468-34-0x0000000004C50000-0x0000000004C62000-memory.dmp

memory/3468-53-0x0000000000400000-0x0000000000574000-memory.dmp

memory/3468-55-0x0000000000400000-0x0000000000574000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fRG12dQ.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/644-59-0x00000000003D0000-0x0000000000402000-memory.dmp

memory/644-60-0x0000000005330000-0x0000000005948000-memory.dmp

memory/644-61-0x0000000004EB0000-0x0000000004FBA000-memory.dmp

memory/644-62-0x0000000004DF0000-0x0000000004E02000-memory.dmp

memory/644-63-0x0000000004E50000-0x0000000004E8C000-memory.dmp

memory/644-64-0x0000000004FC0000-0x000000000500C000-memory.dmp