Malware Analysis Report

2024-12-07 03:39

Sample ID 241110-z476vaward
Target 4744f39513beaf0bf16db57b0dc671de40bcf8f93579b40718618daecadf4bdd
SHA256 4744f39513beaf0bf16db57b0dc671de40bcf8f93579b40718618daecadf4bdd
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

4744f39513beaf0bf16db57b0dc671de40bcf8f93579b40718618daecadf4bdd

Threat Level: Known bad

The file 4744f39513beaf0bf16db57b0dc671de40bcf8f93579b40718618daecadf4bdd was found to be: Known bad.

Malicious Activity Summary

healer redline fusa discovery dropper evasion infostealer persistence trojan

Detects Healer an antivirus disabler dropper

Healer family

Modifies Windows Defender Real-time Protection settings

Healer

RedLine

Redline family

RedLine payload

Executes dropped EXE

Windows security modification

Adds Run key to start application

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 21:17

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 21:17

Reported

2024-11-10 21:19

Platform

win10v2004-20241007-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4744f39513beaf0bf16db57b0dc671de40bcf8f93579b40718618daecadf4bdd.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\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bPv92bJ.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\bPv92bJ.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\bPv92bJ.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bPv92bJ.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\bPv92bJ.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\bPv92bJ.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\bPv92bJ.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bPv92bJ.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\4744f39513beaf0bf16db57b0dc671de40bcf8f93579b40718618daecadf4bdd.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\nwt33ep.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\IXP001.TMP\bPv92bJ.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\daL61jg.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4744f39513beaf0bf16db57b0dc671de40bcf8f93579b40718618daecadf4bdd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwt33ep.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bPv92bJ.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bPv92bJ.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bPv92bJ.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2916 wrote to memory of 3092 N/A C:\Users\Admin\AppData\Local\Temp\4744f39513beaf0bf16db57b0dc671de40bcf8f93579b40718618daecadf4bdd.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwt33ep.exe
PID 2916 wrote to memory of 3092 N/A C:\Users\Admin\AppData\Local\Temp\4744f39513beaf0bf16db57b0dc671de40bcf8f93579b40718618daecadf4bdd.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwt33ep.exe
PID 2916 wrote to memory of 3092 N/A C:\Users\Admin\AppData\Local\Temp\4744f39513beaf0bf16db57b0dc671de40bcf8f93579b40718618daecadf4bdd.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwt33ep.exe
PID 3092 wrote to memory of 4532 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwt33ep.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bPv92bJ.exe
PID 3092 wrote to memory of 4532 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwt33ep.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bPv92bJ.exe
PID 3092 wrote to memory of 4532 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwt33ep.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bPv92bJ.exe
PID 3092 wrote to memory of 1544 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwt33ep.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\daL61jg.exe
PID 3092 wrote to memory of 1544 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwt33ep.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\daL61jg.exe
PID 3092 wrote to memory of 1544 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwt33ep.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\daL61jg.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4744f39513beaf0bf16db57b0dc671de40bcf8f93579b40718618daecadf4bdd.exe

"C:\Users\Admin\AppData\Local\Temp\4744f39513beaf0bf16db57b0dc671de40bcf8f93579b40718618daecadf4bdd.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwt33ep.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwt33ep.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bPv92bJ.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bPv92bJ.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4532 -ip 4532

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4532 -s 1084

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\daL61jg.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\daL61jg.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 66.209.201.84.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\nwt33ep.exe

MD5 df68c7ba4eb220aec1ede23fb603a8c4
SHA1 7b8a17b1cc34870bb30cd71fff21847a07091b92
SHA256 e4653689b8e0d4ce3ea6d7bf754394b11c9796a966cfcfd8380c8a61f5874243
SHA512 6bc82dff5799a5fc3ff2c8e01f2be9100b7b2391ad6e098220620fc8748e1adc6ddeeb4274a4907354d1ed5cec1288ad3125a993157687174c45d9602934f0a3

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bPv92bJ.exe

MD5 a3c28043de92114046cdc2a3d86c58f6
SHA1 64b3fdeee29433f0bb8a75c4fc4e8abdf1254ee9
SHA256 78d2576aedb85a49ec767f0bb9fa0e3c9570d5ed034e50e87a3ca8484a16f0e5
SHA512 6b0b37d54b82ff9c69f9d254ded3d07cfe5d13e8bef7849204035d564c9e1bd1bf2b505e03cade39286627d4617b7da19742199997487be7d3428a43f12ae0c0

memory/4532-15-0x00000000007D0000-0x00000000008D0000-memory.dmp

memory/4532-17-0x0000000000400000-0x000000000056B000-memory.dmp

memory/4532-16-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4532-18-0x0000000000400000-0x000000000056B000-memory.dmp

memory/4532-19-0x0000000002160000-0x000000000217A000-memory.dmp

memory/4532-20-0x0000000004E00000-0x00000000053A4000-memory.dmp

memory/4532-21-0x0000000002700000-0x0000000002718000-memory.dmp

memory/4532-33-0x0000000002700000-0x0000000002712000-memory.dmp

memory/4532-49-0x0000000002700000-0x0000000002712000-memory.dmp

memory/4532-47-0x0000000002700000-0x0000000002712000-memory.dmp

memory/4532-45-0x0000000002700000-0x0000000002712000-memory.dmp

memory/4532-43-0x0000000002700000-0x0000000002712000-memory.dmp

memory/4532-42-0x0000000002700000-0x0000000002712000-memory.dmp

memory/4532-39-0x0000000002700000-0x0000000002712000-memory.dmp

memory/4532-37-0x0000000002700000-0x0000000002712000-memory.dmp

memory/4532-36-0x0000000002700000-0x0000000002712000-memory.dmp

memory/4532-31-0x0000000002700000-0x0000000002712000-memory.dmp

memory/4532-29-0x0000000002700000-0x0000000002712000-memory.dmp

memory/4532-27-0x0000000002700000-0x0000000002712000-memory.dmp

memory/4532-25-0x0000000002700000-0x0000000002712000-memory.dmp

memory/4532-23-0x0000000002700000-0x0000000002712000-memory.dmp

memory/4532-22-0x0000000002700000-0x0000000002712000-memory.dmp

memory/4532-50-0x00000000007D0000-0x00000000008D0000-memory.dmp

memory/4532-51-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4532-54-0x0000000000400000-0x000000000056B000-memory.dmp

memory/4532-55-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\daL61jg.exe

MD5 da6f3bef8abc85bd09f50783059964e3
SHA1 a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256 e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA512 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

memory/1544-59-0x0000000000260000-0x0000000000292000-memory.dmp

memory/1544-60-0x00000000050B0000-0x00000000056C8000-memory.dmp

memory/1544-61-0x0000000004C00000-0x0000000004D0A000-memory.dmp

memory/1544-62-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/1544-63-0x0000000004B90000-0x0000000004BCC000-memory.dmp

memory/1544-64-0x0000000004D10000-0x0000000004D5C000-memory.dmp