Malware Analysis Report

2025-01-23 07:47

Sample ID 241108-rgbkcswmbr
Target 236edf6e501f4c470ffb43e24fa9e76255473b2d1a28a457e900cbf991755c66
SHA256 236edf6e501f4c470ffb43e24fa9e76255473b2d1a28a457e900cbf991755c66
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

236edf6e501f4c470ffb43e24fa9e76255473b2d1a28a457e900cbf991755c66

Threat Level: Known bad

The file 236edf6e501f4c470ffb43e24fa9e76255473b2d1a28a457e900cbf991755c66 was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Modifies Windows Defender Real-time Protection settings

Healer family

RedLine

RedLine payload

Detects Healer an antivirus disabler dropper

Healer

Redline family

Windows security modification

Executes dropped EXE

Adds Run key to start application

Program crash

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

2024-11-08 14:09

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-08 14:09

Reported

2024-11-08 14:12

Platform

win10v2004-20241007-en

Max time kernel

126s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\236edf6e501f4c470ffb43e24fa9e76255473b2d1a28a457e900cbf991755c66.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\dHE19HK.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\dHE19HK.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euW19qV.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\euW19qV.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\euW19qV.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dHE19HK.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\dHE19HK.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\dHE19HK.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\dHE19HK.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\euW19qV.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\euW19qV.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\euW19qV.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\dHE19HK.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euW19qV.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euW19qV.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\236edf6e501f4c470ffb43e24fa9e76255473b2d1a28a457e900cbf991755c66.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\nCl74dO09.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\236edf6e501f4c470ffb43e24fa9e76255473b2d1a28a457e900cbf991755c66.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCl74dO09.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euW19qV.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fNK61Fk.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dHE19HK.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euW19qV.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2740 wrote to memory of 1012 N/A C:\Users\Admin\AppData\Local\Temp\236edf6e501f4c470ffb43e24fa9e76255473b2d1a28a457e900cbf991755c66.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCl74dO09.exe
PID 2740 wrote to memory of 1012 N/A C:\Users\Admin\AppData\Local\Temp\236edf6e501f4c470ffb43e24fa9e76255473b2d1a28a457e900cbf991755c66.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCl74dO09.exe
PID 2740 wrote to memory of 1012 N/A C:\Users\Admin\AppData\Local\Temp\236edf6e501f4c470ffb43e24fa9e76255473b2d1a28a457e900cbf991755c66.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCl74dO09.exe
PID 1012 wrote to memory of 1324 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCl74dO09.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dHE19HK.exe
PID 1012 wrote to memory of 1324 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCl74dO09.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dHE19HK.exe
PID 1012 wrote to memory of 380 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCl74dO09.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euW19qV.exe
PID 1012 wrote to memory of 380 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCl74dO09.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euW19qV.exe
PID 1012 wrote to memory of 380 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCl74dO09.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euW19qV.exe
PID 2740 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Local\Temp\236edf6e501f4c470ffb43e24fa9e76255473b2d1a28a457e900cbf991755c66.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fNK61Fk.exe
PID 2740 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Local\Temp\236edf6e501f4c470ffb43e24fa9e76255473b2d1a28a457e900cbf991755c66.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fNK61Fk.exe
PID 2740 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Local\Temp\236edf6e501f4c470ffb43e24fa9e76255473b2d1a28a457e900cbf991755c66.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fNK61Fk.exe

Processes

C:\Users\Admin\AppData\Local\Temp\236edf6e501f4c470ffb43e24fa9e76255473b2d1a28a457e900cbf991755c66.exe

"C:\Users\Admin\AppData\Local\Temp\236edf6e501f4c470ffb43e24fa9e76255473b2d1a28a457e900cbf991755c66.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCl74dO09.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCl74dO09.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dHE19HK.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dHE19HK.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euW19qV.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euW19qV.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 380 -ip 380

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 380 -s 1068

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fNK61Fk.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fNK61Fk.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 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 11.227.111.52.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\nCl74dO09.exe

MD5 5a8ed36c3bf60e8813e4faac62ce73c1
SHA1 61c56920ac35322c3a6aa58479de58d3f7d9dbfa
SHA256 fd71abb44800285816042dc78d319fa1ef3637eb7aa01fe2f13ebfb41bc2d6ef
SHA512 ad6138b28658fc3c893ef8554843a638309e57151d6a5a483f0fdde80a52a599a7c86b2d8bfc7856805f01140796b6a8e546c8e31a9e423e696c4030be1649b3

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dHE19HK.exe

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

memory/1324-14-0x00007FFA73A63000-0x00007FFA73A65000-memory.dmp

memory/1324-15-0x0000000000430000-0x000000000043A000-memory.dmp

memory/1324-16-0x00007FFA73A63000-0x00007FFA73A65000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euW19qV.exe

MD5 dd0adf92524d842b17843e3a38769564
SHA1 4b34fbf5dade2193630f92053be9f0dcfe563d3c
SHA256 489cdd40de47bde8a31100897afafb3213c01de9cab0bc656e3cbf01c48e3682
SHA512 7fbb9c9ad3df3bfd0ae3741bf76c92bdd9ea3f23e1316f4948a60e1efc3ff6dcbd4d37d7da725659fa38a0cbc0fc41d1dc85515d56b15af5cbf891bfe6853bc2

memory/380-22-0x0000000002420000-0x000000000243A000-memory.dmp

memory/380-23-0x0000000004C60000-0x0000000005204000-memory.dmp

memory/380-24-0x00000000024C0000-0x00000000024D8000-memory.dmp

memory/380-52-0x00000000024C0000-0x00000000024D2000-memory.dmp

memory/380-50-0x00000000024C0000-0x00000000024D2000-memory.dmp

memory/380-48-0x00000000024C0000-0x00000000024D2000-memory.dmp

memory/380-46-0x00000000024C0000-0x00000000024D2000-memory.dmp

memory/380-44-0x00000000024C0000-0x00000000024D2000-memory.dmp

memory/380-42-0x00000000024C0000-0x00000000024D2000-memory.dmp

memory/380-40-0x00000000024C0000-0x00000000024D2000-memory.dmp

memory/380-38-0x00000000024C0000-0x00000000024D2000-memory.dmp

memory/380-36-0x00000000024C0000-0x00000000024D2000-memory.dmp

memory/380-34-0x00000000024C0000-0x00000000024D2000-memory.dmp

memory/380-32-0x00000000024C0000-0x00000000024D2000-memory.dmp

memory/380-30-0x00000000024C0000-0x00000000024D2000-memory.dmp

memory/380-28-0x00000000024C0000-0x00000000024D2000-memory.dmp

memory/380-26-0x00000000024C0000-0x00000000024D2000-memory.dmp

memory/380-25-0x00000000024C0000-0x00000000024D2000-memory.dmp

memory/380-53-0x0000000000400000-0x00000000005C6000-memory.dmp

memory/380-55-0x0000000000400000-0x00000000005C6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fNK61Fk.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/1804-59-0x0000000000E60000-0x0000000000E92000-memory.dmp

memory/1804-60-0x0000000005DC0000-0x00000000063D8000-memory.dmp

memory/1804-61-0x0000000005940000-0x0000000005A4A000-memory.dmp

memory/1804-62-0x0000000005890000-0x00000000058A2000-memory.dmp

memory/1804-63-0x00000000058F0000-0x000000000592C000-memory.dmp

memory/1804-64-0x0000000005A50000-0x0000000005A9C000-memory.dmp