Malware Analysis Report

2025-01-23 07:41

Sample ID 241108-ye866sydjq
Target fe1dfb9780d87ba9ad7bb5e2ab3981b335dbf54658c00d658faf95092a6eb3a9
SHA256 fe1dfb9780d87ba9ad7bb5e2ab3981b335dbf54658c00d658faf95092a6eb3a9
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

fe1dfb9780d87ba9ad7bb5e2ab3981b335dbf54658c00d658faf95092a6eb3a9

Threat Level: Known bad

The file fe1dfb9780d87ba9ad7bb5e2ab3981b335dbf54658c00d658faf95092a6eb3a9 was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Redline family

RedLine payload

Healer

Healer family

RedLine

Modifies Windows Defender Real-time Protection settings

Detects Healer an antivirus disabler dropper

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 AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-08 19:43

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-08 19:43

Reported

2024-11-08 19:45

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fe1dfb9780d87ba9ad7bb5e2ab3981b335dbf54658c00d658faf95092a6eb3a9.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\bYn53Ma.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\bYn53Ma.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\bYn53Ma.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\bYn53Ma.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\bYn53Ma.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYn53Ma.exe N/A

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
N/A N/A N/A N/A
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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\bYn53Ma.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYn53Ma.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\fe1dfb9780d87ba9ad7bb5e2ab3981b335dbf54658c00d658faf95092a6eb3a9.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\nqK49rR.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\fe1dfb9780d87ba9ad7bb5e2ab3981b335dbf54658c00d658faf95092a6eb3a9.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqK49rR.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYn53Ma.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\daR53Fq.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYn53Ma.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYn53Ma.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYn53Ma.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3256 wrote to memory of 3748 N/A C:\Users\Admin\AppData\Local\Temp\fe1dfb9780d87ba9ad7bb5e2ab3981b335dbf54658c00d658faf95092a6eb3a9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqK49rR.exe
PID 3256 wrote to memory of 3748 N/A C:\Users\Admin\AppData\Local\Temp\fe1dfb9780d87ba9ad7bb5e2ab3981b335dbf54658c00d658faf95092a6eb3a9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqK49rR.exe
PID 3256 wrote to memory of 3748 N/A C:\Users\Admin\AppData\Local\Temp\fe1dfb9780d87ba9ad7bb5e2ab3981b335dbf54658c00d658faf95092a6eb3a9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqK49rR.exe
PID 3748 wrote to memory of 1452 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqK49rR.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYn53Ma.exe
PID 3748 wrote to memory of 1452 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqK49rR.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYn53Ma.exe
PID 3748 wrote to memory of 1452 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqK49rR.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYn53Ma.exe
PID 3748 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqK49rR.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\daR53Fq.exe
PID 3748 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqK49rR.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\daR53Fq.exe
PID 3748 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqK49rR.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\daR53Fq.exe

Processes

C:\Users\Admin\AppData\Local\Temp\fe1dfb9780d87ba9ad7bb5e2ab3981b335dbf54658c00d658faf95092a6eb3a9.exe

"C:\Users\Admin\AppData\Local\Temp\fe1dfb9780d87ba9ad7bb5e2ab3981b335dbf54658c00d658faf95092a6eb3a9.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqK49rR.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqK49rR.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYn53Ma.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYn53Ma.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1452 -ip 1452

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1452 -s 1096

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\daR53Fq.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\daR53Fq.exe

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 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.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 8.8.8.8:53 240.221.184.93.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 88.210.23.2.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 84.65.42.20.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqK49rR.exe

MD5 a97769ad9e5b0529847b5535993b2599
SHA1 7c9e4c6ba824faa2ae7fba5fb1afd3692f3f229a
SHA256 66b269ab8b86aa75e29c8f1ec74a76c132358f2abd81825f9f548acae4b03dad
SHA512 6b3e307fbdfd6f1eb78f3d5871cabcc19e98e770800bf1dc323d2bf50964e6fe815819b80cf7134ce07e1a665d07e5f2ac4abc8b432ae882bd5402ba9e63f9a1

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYn53Ma.exe

MD5 de42ca5e48e76be8fc7fd36752b6eb50
SHA1 c594fea49882a1f0c4745c38de903c8f3e963acd
SHA256 9be125a22fe4bbedcd63b46faf563f107bb54c1f6c894e45b4794c3e184aa0aa
SHA512 b4dbe8b6ed6cf26a7225ef2a8af07629fdcc447920dd8bb5362cefdbbafe439ef92e5011c8c26716dba06646d161eca676470e484995173dd39dc42db454ff7b

memory/1452-15-0x0000000000950000-0x0000000000A50000-memory.dmp

memory/1452-17-0x0000000000400000-0x0000000000754000-memory.dmp

memory/1452-16-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1452-18-0x0000000000400000-0x0000000000754000-memory.dmp

memory/1452-19-0x0000000002590000-0x00000000025AA000-memory.dmp

memory/1452-20-0x0000000004E70000-0x0000000005414000-memory.dmp

memory/1452-21-0x00000000029A0000-0x00000000029B8000-memory.dmp

memory/1452-49-0x00000000029A0000-0x00000000029B2000-memory.dmp

memory/1452-47-0x00000000029A0000-0x00000000029B2000-memory.dmp

memory/1452-45-0x00000000029A0000-0x00000000029B2000-memory.dmp

memory/1452-43-0x00000000029A0000-0x00000000029B2000-memory.dmp

memory/1452-41-0x00000000029A0000-0x00000000029B2000-memory.dmp

memory/1452-39-0x00000000029A0000-0x00000000029B2000-memory.dmp

memory/1452-37-0x00000000029A0000-0x00000000029B2000-memory.dmp

memory/1452-35-0x00000000029A0000-0x00000000029B2000-memory.dmp

memory/1452-33-0x00000000029A0000-0x00000000029B2000-memory.dmp

memory/1452-31-0x00000000029A0000-0x00000000029B2000-memory.dmp

memory/1452-29-0x00000000029A0000-0x00000000029B2000-memory.dmp

memory/1452-27-0x00000000029A0000-0x00000000029B2000-memory.dmp

memory/1452-25-0x00000000029A0000-0x00000000029B2000-memory.dmp

memory/1452-23-0x00000000029A0000-0x00000000029B2000-memory.dmp

memory/1452-22-0x00000000029A0000-0x00000000029B2000-memory.dmp

memory/1452-50-0x0000000000950000-0x0000000000A50000-memory.dmp

memory/1452-51-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1452-54-0x0000000000400000-0x0000000000754000-memory.dmp

memory/1452-55-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\daR53Fq.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/4412-59-0x0000000000270000-0x00000000002A2000-memory.dmp

memory/4412-60-0x00000000050D0000-0x00000000056E8000-memory.dmp

memory/4412-61-0x0000000004C10000-0x0000000004D1A000-memory.dmp

memory/4412-62-0x0000000004B50000-0x0000000004B62000-memory.dmp

memory/4412-63-0x0000000004BB0000-0x0000000004BEC000-memory.dmp

memory/4412-64-0x0000000004D20000-0x0000000004D6C000-memory.dmp