Malware Analysis Report

2025-01-23 07:43

Sample ID 241107-p92adasjd1
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

Modifies Windows Defender Real-time Protection settings

Redline family

Healer

RedLine payload

RedLine

Healer family

Windows security modification

Executes dropped EXE

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

2024-11-07 13:02

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 13:02

Reported

2024-11-07 13:05

Platform

win10v2004-20241007-en

Max time kernel

129s

Max time network

145s

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
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\DisableRealtimeMonitoring = "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\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\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\DisableRealtimeMonitoring = "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\DisableOnAccessProtection = "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
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\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\DisableScanOnRealtimeEnable = "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

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\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eNr76dh.exe N/A
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

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 796 wrote to memory of 4800 N/A C:\Users\Admin\AppData\Local\Temp\6ef6afea72b1f991ddde1f78a615a68238adfe53565b33f4a869d9f771980c8b.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKs49pj99.exe
PID 796 wrote to memory of 4800 N/A C:\Users\Admin\AppData\Local\Temp\6ef6afea72b1f991ddde1f78a615a68238adfe53565b33f4a869d9f771980c8b.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKs49pj99.exe
PID 796 wrote to memory of 4800 N/A C:\Users\Admin\AppData\Local\Temp\6ef6afea72b1f991ddde1f78a615a68238adfe53565b33f4a869d9f771980c8b.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKs49pj99.exe
PID 4800 wrote to memory of 4892 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKs49pj99.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dZD42aD.exe
PID 4800 wrote to memory of 4892 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKs49pj99.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dZD42aD.exe
PID 4800 wrote to memory of 4760 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKs49pj99.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eNr76dh.exe
PID 4800 wrote to memory of 4760 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKs49pj99.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eNr76dh.exe
PID 4800 wrote to memory of 4760 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKs49pj99.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eNr76dh.exe
PID 796 wrote to memory of 3524 N/A C:\Users\Admin\AppData\Local\Temp\6ef6afea72b1f991ddde1f78a615a68238adfe53565b33f4a869d9f771980c8b.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fRG12dQ.exe
PID 796 wrote to memory of 3524 N/A C:\Users\Admin\AppData\Local\Temp\6ef6afea72b1f991ddde1f78a615a68238adfe53565b33f4a869d9f771980c8b.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fRG12dQ.exe
PID 796 wrote to memory of 3524 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 4760 -ip 4760

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4760 -s 1084

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 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 74.208.201.84.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 21.236.111.52.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\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/4892-14-0x00007FFF76553000-0x00007FFF76555000-memory.dmp

memory/4892-15-0x0000000000EC0000-0x0000000000ECA000-memory.dmp

memory/4892-16-0x00007FFF76553000-0x00007FFF76555000-memory.dmp

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

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

memory/4760-22-0x0000000002520000-0x000000000253A000-memory.dmp

memory/4760-23-0x0000000004BB0000-0x0000000005154000-memory.dmp

memory/4760-24-0x0000000002680000-0x0000000002698000-memory.dmp

memory/4760-34-0x0000000002680000-0x0000000002692000-memory.dmp

memory/4760-50-0x0000000002680000-0x0000000002692000-memory.dmp

memory/4760-48-0x0000000002680000-0x0000000002692000-memory.dmp

memory/4760-46-0x0000000002680000-0x0000000002692000-memory.dmp

memory/4760-44-0x0000000002680000-0x0000000002692000-memory.dmp

memory/4760-42-0x0000000002680000-0x0000000002692000-memory.dmp

memory/4760-40-0x0000000002680000-0x0000000002692000-memory.dmp

memory/4760-38-0x0000000002680000-0x0000000002692000-memory.dmp

memory/4760-36-0x0000000002680000-0x0000000002692000-memory.dmp

memory/4760-52-0x0000000002680000-0x0000000002692000-memory.dmp

memory/4760-32-0x0000000002680000-0x0000000002692000-memory.dmp

memory/4760-30-0x0000000002680000-0x0000000002692000-memory.dmp

memory/4760-28-0x0000000002680000-0x0000000002692000-memory.dmp

memory/4760-26-0x0000000002680000-0x0000000002692000-memory.dmp

memory/4760-25-0x0000000002680000-0x0000000002692000-memory.dmp

memory/4760-53-0x0000000000400000-0x0000000000574000-memory.dmp

memory/4760-55-0x0000000000400000-0x0000000000574000-memory.dmp

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

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/3524-59-0x0000000000B10000-0x0000000000B42000-memory.dmp

memory/3524-60-0x0000000005930000-0x0000000005F48000-memory.dmp

memory/3524-61-0x00000000054B0000-0x00000000055BA000-memory.dmp

memory/3524-62-0x00000000053E0000-0x00000000053F2000-memory.dmp

memory/3524-63-0x0000000005440000-0x000000000547C000-memory.dmp

memory/3524-64-0x00000000055C0000-0x000000000560C000-memory.dmp