Malware Analysis Report

2024-12-07 03:36

Sample ID 241119-gfz68a1hmk
Target 279ac162830d24802682b8bc089ead321c8015e26d35022efc3e8668f4b19a8f.exe
SHA256 279ac162830d24802682b8bc089ead321c8015e26d35022efc3e8668f4b19a8f
Tags
healer redline fusa 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

279ac162830d24802682b8bc089ead321c8015e26d35022efc3e8668f4b19a8f

Threat Level: Known bad

The file 279ac162830d24802682b8bc089ead321c8015e26d35022efc3e8668f4b19a8f.exe was found to be: Known bad.

Malicious Activity Summary

healer redline fusa discovery dropper evasion infostealer persistence trojan

RedLine

Healer family

Modifies Windows Defender Real-time Protection settings

RedLine payload

Redline family

Healer

Detects Healer an antivirus disabler dropper

Windows security modification

Executes dropped EXE

Adds Run key to start application

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-19 05:45

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-19 05:45

Reported

2024-11-19 05:48

Platform

win10v2004-20241007-en

Max time kernel

145s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\279ac162830d24802682b8bc089ead321c8015e26d35022efc3e8668f4b19a8f.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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bzC63Sa.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\IXP000.TMP\bzC63Sa.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\IXP000.TMP\bzC63Sa.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\IXP000.TMP\bzC63Sa.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\IXP000.TMP\bzC63Sa.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\IXP000.TMP\bzC63Sa.exe N/A

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
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Redline family

redline

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bzC63Sa.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dIT72tg.exe N/A

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\IXP000.TMP\bzC63Sa.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bzC63Sa.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\279ac162830d24802682b8bc089ead321c8015e26d35022efc3e8668f4b19a8f.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\279ac162830d24802682b8bc089ead321c8015e26d35022efc3e8668f4b19a8f.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bzC63Sa.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dIT72tg.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bzC63Sa.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bzC63Sa.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bzC63Sa.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\279ac162830d24802682b8bc089ead321c8015e26d35022efc3e8668f4b19a8f.exe

"C:\Users\Admin\AppData\Local\Temp\279ac162830d24802682b8bc089ead321c8015e26d35022efc3e8668f4b19a8f.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bzC63Sa.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bzC63Sa.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2692 -ip 2692

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 1084

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dIT72tg.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dIT72tg.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.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 193.233.20.12:4132 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
RU 193.233.20.12:4132 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bzC63Sa.exe

MD5 c2029dc778813262158edc1d45355023
SHA1 ef89cca7db326570c6342d665d57076da8686989
SHA256 8fefa215a64ff37c9a5ef602de472b12f7d7cbbe48edf3bed071f19d84e03f51
SHA512 40c0dded4f1ea106522a41a1151d55543cf3b36c53f99dfb9d7da0b54697b982cf6c919526fbb60c574a0e1771f53a0fc63c858db346c3c8a11df70e2a3c9fe2

memory/2692-8-0x0000000000920000-0x0000000000A20000-memory.dmp

memory/2692-9-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2692-10-0x0000000000400000-0x000000000056B000-memory.dmp

memory/2692-11-0x0000000000400000-0x000000000056B000-memory.dmp

memory/2692-12-0x00000000024D0000-0x00000000024EA000-memory.dmp

memory/2692-13-0x0000000004D50000-0x00000000052F4000-memory.dmp

memory/2692-14-0x00000000025B0000-0x00000000025C8000-memory.dmp

memory/2692-15-0x00000000025B0000-0x00000000025C2000-memory.dmp

memory/2692-30-0x00000000025B0000-0x00000000025C2000-memory.dmp

memory/2692-42-0x00000000025B0000-0x00000000025C2000-memory.dmp

memory/2692-40-0x00000000025B0000-0x00000000025C2000-memory.dmp

memory/2692-39-0x00000000025B0000-0x00000000025C2000-memory.dmp

memory/2692-37-0x00000000025B0000-0x00000000025C2000-memory.dmp

memory/2692-34-0x00000000025B0000-0x00000000025C2000-memory.dmp

memory/2692-32-0x00000000025B0000-0x00000000025C2000-memory.dmp

memory/2692-28-0x00000000025B0000-0x00000000025C2000-memory.dmp

memory/2692-26-0x00000000025B0000-0x00000000025C2000-memory.dmp

memory/2692-24-0x00000000025B0000-0x00000000025C2000-memory.dmp

memory/2692-22-0x00000000025B0000-0x00000000025C2000-memory.dmp

memory/2692-20-0x00000000025B0000-0x00000000025C2000-memory.dmp

memory/2692-18-0x00000000025B0000-0x00000000025C2000-memory.dmp

memory/2692-16-0x00000000025B0000-0x00000000025C2000-memory.dmp

memory/2692-43-0x0000000000920000-0x0000000000A20000-memory.dmp

memory/2692-44-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2692-47-0x0000000000400000-0x000000000056B000-memory.dmp

memory/2692-48-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dIT72tg.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/2792-52-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

memory/2792-53-0x0000000000DD0000-0x0000000000E02000-memory.dmp

memory/2792-54-0x0000000005D50000-0x0000000006368000-memory.dmp

memory/2792-55-0x00000000058B0000-0x00000000059BA000-memory.dmp

memory/2792-56-0x00000000057E0000-0x00000000057F2000-memory.dmp

memory/2792-57-0x0000000005870000-0x00000000058AC000-memory.dmp

memory/2792-58-0x00000000059C0000-0x0000000005A0C000-memory.dmp

memory/2792-59-0x0000000074BCE000-0x0000000074BCF000-memory.dmp