Malware Analysis Report

2024-12-07 03:36

Sample ID 241119-gaq2cswlbj
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

Healer family

Detects Healer an antivirus disabler dropper

Modifies Windows Defender Real-time Protection settings

Redline family

RedLine payload

Executes dropped EXE

Windows security modification

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

2024-11-19 05:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-19 05:36

Reported

2024-11-19 05:38

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

111s

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
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
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

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
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
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features 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 3656 -ip 3656

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3656 -s 1080

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 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
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 30.243.111.52.in-addr.arpa udp
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/3656-8-0x00000000006E0000-0x00000000007E0000-memory.dmp

memory/3656-9-0x0000000000650000-0x000000000067D000-memory.dmp

memory/3656-10-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3656-11-0x0000000000400000-0x000000000056B000-memory.dmp

memory/3656-12-0x0000000002080000-0x000000000209A000-memory.dmp

memory/3656-13-0x0000000004BB0000-0x0000000005154000-memory.dmp

memory/3656-14-0x0000000004B00000-0x0000000004B18000-memory.dmp

memory/3656-42-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/3656-40-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/3656-38-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/3656-36-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/3656-34-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/3656-32-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/3656-30-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/3656-28-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/3656-26-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/3656-24-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/3656-22-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/3656-20-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/3656-18-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/3656-16-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/3656-15-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/3656-43-0x00000000006E0000-0x00000000007E0000-memory.dmp

memory/3656-44-0x0000000000650000-0x000000000067D000-memory.dmp

memory/3656-46-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3656-48-0x0000000000400000-0x000000000056B000-memory.dmp

memory/3656-49-0x0000000000400000-0x0000000000430000-memory.dmp

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

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/916-53-0x00000000740CE000-0x00000000740CF000-memory.dmp

memory/916-54-0x0000000000420000-0x0000000000452000-memory.dmp

memory/916-55-0x0000000005240000-0x0000000005858000-memory.dmp

memory/916-56-0x0000000004DC0000-0x0000000004ECA000-memory.dmp

memory/916-57-0x0000000004CF0000-0x0000000004D02000-memory.dmp

memory/916-58-0x0000000004D50000-0x0000000004D8C000-memory.dmp

memory/916-59-0x0000000004ED0000-0x0000000004F1C000-memory.dmp

memory/916-60-0x00000000740CE000-0x00000000740CF000-memory.dmp