Malware Analysis Report

2025-01-23 07:41

Sample ID 241108-xwnq5axhpq
Target a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418
SHA256 a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418
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

a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418

Threat Level: Known bad

The file a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418 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

Detects Healer an antivirus disabler dropper

RedLine payload

Redline family

Healer

Executes dropped EXE

Windows security modification

Adds Run key to start application

Launches sc.exe

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-08 19:12

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-08 19:12

Reported

2024-11-08 19:14

Platform

win10v2004-20241007-en

Max time kernel

141s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418.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\dFw58qP.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\dFw58qP.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\dFw58qP.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\dFw58qP.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ezw45Bx.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\ezw45Bx.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\ezw45Bx.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dFw58qP.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\ezw45Bx.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\ezw45Bx.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\ezw45Bx.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\dFw58qP.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\ezw45Bx.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dFw58qP.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ezw45Bx.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\a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418.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\nZt07sP35.exe N/A

Launches sc.exe

Description Indicator Process Target
N/A N/A C:\Windows\system32\sc.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\a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nZt07sP35.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ezw45Bx.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fbA12Wf.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dFw58qP.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ezw45Bx.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3872 wrote to memory of 3480 N/A C:\Users\Admin\AppData\Local\Temp\a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nZt07sP35.exe
PID 3872 wrote to memory of 3480 N/A C:\Users\Admin\AppData\Local\Temp\a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nZt07sP35.exe
PID 3872 wrote to memory of 3480 N/A C:\Users\Admin\AppData\Local\Temp\a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nZt07sP35.exe
PID 3480 wrote to memory of 3896 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nZt07sP35.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dFw58qP.exe
PID 3480 wrote to memory of 3896 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nZt07sP35.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dFw58qP.exe
PID 3480 wrote to memory of 4680 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nZt07sP35.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ezw45Bx.exe
PID 3480 wrote to memory of 4680 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nZt07sP35.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ezw45Bx.exe
PID 3480 wrote to memory of 4680 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nZt07sP35.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ezw45Bx.exe
PID 3872 wrote to memory of 1104 N/A C:\Users\Admin\AppData\Local\Temp\a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fbA12Wf.exe
PID 3872 wrote to memory of 1104 N/A C:\Users\Admin\AppData\Local\Temp\a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fbA12Wf.exe
PID 3872 wrote to memory of 1104 N/A C:\Users\Admin\AppData\Local\Temp\a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fbA12Wf.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418.exe

"C:\Users\Admin\AppData\Local\Temp\a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nZt07sP35.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nZt07sP35.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dFw58qP.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dFw58qP.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ezw45Bx.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ezw45Bx.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4680 -ip 4680

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4680 -s 1064

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fbA12Wf.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fbA12Wf.exe

C:\Windows\system32\sc.exe

C:\Windows\system32\sc.exe start wuauserv

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.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 8.8.8.8:53 228.249.119.40.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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 19.229.111.52.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\nZt07sP35.exe

MD5 618779305fafa6f0ca26bbc8fde6c294
SHA1 3a1cd298adb757deeb079cc7853965e069a5b8f5
SHA256 d0db70e85b7eabbd24b7c8fb32831bd0aa2637fe309dc6203f1a805617a9b563
SHA512 7579f162b26632e5fb36469e90c2576daeadc2555e2acf6972f34752a9145c0a3e24cae857410d12f25f4b49043a82fd8dcd7bb3314687d01cfe0fcd585d04d6

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dFw58qP.exe

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

memory/3896-14-0x00007FFA0FE23000-0x00007FFA0FE25000-memory.dmp

memory/3896-15-0x00000000003F0000-0x00000000003FA000-memory.dmp

memory/3896-16-0x00007FFA0FE23000-0x00007FFA0FE25000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ezw45Bx.exe

MD5 5689d82e0bb0b6c738220f0e2d50f757
SHA1 1f1c0b8fceb6cb706866f2e32338a661af642e24
SHA256 7cb1ef101075ff5d838a237ac29decc694606f34c102e4ec189b2f47780b60dd
SHA512 dc16bef6fc2aee37df075e0db1e278889d6228d6979d2f680a88286fb6f90bf77249871cf9db4746e343f3ae4672d518873732ed04aedb3e5ea9947bbeb6f96b

memory/4680-22-0x0000000002570000-0x000000000258A000-memory.dmp

memory/4680-23-0x0000000004CE0000-0x0000000005284000-memory.dmp

memory/4680-24-0x0000000004C40000-0x0000000004C58000-memory.dmp

memory/4680-25-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/4680-32-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/4680-50-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/4680-49-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/4680-47-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/4680-44-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/4680-42-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/4680-40-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/4680-38-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/4680-36-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/4680-35-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/4680-30-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/4680-28-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/4680-26-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/4680-52-0x0000000004C40000-0x0000000004C52000-memory.dmp

memory/4680-53-0x0000000000400000-0x000000000056F000-memory.dmp

memory/4680-55-0x0000000000400000-0x000000000056F000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fbA12Wf.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/1104-59-0x0000000000CA0000-0x0000000000CD2000-memory.dmp

memory/1104-60-0x0000000005B40000-0x0000000006158000-memory.dmp

memory/1104-61-0x0000000005640000-0x000000000574A000-memory.dmp

memory/1104-62-0x0000000005570000-0x0000000005582000-memory.dmp

memory/1104-63-0x00000000055D0000-0x000000000560C000-memory.dmp

memory/1104-64-0x0000000005750000-0x000000000579C000-memory.dmp