Malware Analysis Report

2024-12-07 04:01

Sample ID 241113-rvnrvaxjdl
Target b26708b536b84b29206892b9c19201f579f93970b60afd7bb8358f99f17481c6.exe
SHA256 b26708b536b84b29206892b9c19201f579f93970b60afd7bb8358f99f17481c6
Tags
healer redline 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

b26708b536b84b29206892b9c19201f579f93970b60afd7bb8358f99f17481c6

Threat Level: Known bad

The file b26708b536b84b29206892b9c19201f579f93970b60afd7bb8358f99f17481c6.exe was found to be: Known bad.

Malicious Activity Summary

healer redline discovery dropper evasion infostealer persistence trojan

RedLine payload

Redline family

Healer family

Detects Healer an antivirus disabler dropper

Healer

Modifies Windows Defender Real-time Protection settings

RedLine

Windows security modification

Executes dropped EXE

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 14:31

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 14:31

Reported

2024-11-13 14:33

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b26708b536b84b29206892b9c19201f579f93970b60afd7bb8358f99f17481c6.exe"

Signatures

Detects Healer an antivirus disabler dropper

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

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\86797425.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\86797425.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\86797425.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\86797425.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\86797425.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\86797425.exe N/A

RedLine

infostealer redline

RedLine payload

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

Redline family

redline

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\86797425.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kp954087.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\86797425.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\86797425.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\b26708b536b84b29206892b9c19201f579f93970b60afd7bb8358f99f17481c6.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\b26708b536b84b29206892b9c19201f579f93970b60afd7bb8358f99f17481c6.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\86797425.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kp954087.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\86797425.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\86797425.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\86797425.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kp954087.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b26708b536b84b29206892b9c19201f579f93970b60afd7bb8358f99f17481c6.exe

"C:\Users\Admin\AppData\Local\Temp\b26708b536b84b29206892b9c19201f579f93970b60afd7bb8358f99f17481c6.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\86797425.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\86797425.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kp954087.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kp954087.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 105.209.201.84.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
RU 185.161.248.143:38452 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\86797425.exe

MD5 2b71f4b18ac8214a2bff547b6ce2f64f
SHA1 b8f2f25139a7b2e8d5e8fbc024eb5cac518bc6a5
SHA256 f7eedf3aec775a62c265d1652686b30a8a45a953523e2fb3cfc1fac3c6a66fbc
SHA512 33518eff768610bf54f9888d9d0d746b0c3500dc5f2b8fd5f1641d5a264f657a8311b40364f70932512581183b244fec3feb535e21c13e0ec8adec9994175177

memory/4836-7-0x0000000073C7E000-0x0000000073C7F000-memory.dmp

memory/4836-8-0x00000000006A0000-0x00000000006BA000-memory.dmp

memory/4836-9-0x0000000073C70000-0x0000000074420000-memory.dmp

memory/4836-10-0x0000000004990000-0x0000000004F34000-memory.dmp

memory/4836-11-0x0000000004950000-0x0000000004968000-memory.dmp

memory/4836-12-0x0000000073C70000-0x0000000074420000-memory.dmp

memory/4836-13-0x0000000073C70000-0x0000000074420000-memory.dmp

memory/4836-29-0x0000000004950000-0x0000000004963000-memory.dmp

memory/4836-41-0x0000000004950000-0x0000000004963000-memory.dmp

memory/4836-39-0x0000000004950000-0x0000000004963000-memory.dmp

memory/4836-37-0x0000000004950000-0x0000000004963000-memory.dmp

memory/4836-35-0x0000000004950000-0x0000000004963000-memory.dmp

memory/4836-33-0x0000000004950000-0x0000000004963000-memory.dmp

memory/4836-31-0x0000000004950000-0x0000000004963000-memory.dmp

memory/4836-27-0x0000000004950000-0x0000000004963000-memory.dmp

memory/4836-17-0x0000000004950000-0x0000000004963000-memory.dmp

memory/4836-25-0x0000000004950000-0x0000000004963000-memory.dmp

memory/4836-23-0x0000000004950000-0x0000000004963000-memory.dmp

memory/4836-21-0x0000000004950000-0x0000000004963000-memory.dmp

memory/4836-19-0x0000000004950000-0x0000000004963000-memory.dmp

memory/4836-15-0x0000000004950000-0x0000000004963000-memory.dmp

memory/4836-14-0x0000000004950000-0x0000000004963000-memory.dmp

memory/4836-42-0x0000000073C7E000-0x0000000073C7F000-memory.dmp

memory/4836-43-0x0000000073C70000-0x0000000074420000-memory.dmp

memory/4836-45-0x0000000073C70000-0x0000000074420000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kp954087.exe

MD5 f393079ed4370ba98fa2bb18267f194e
SHA1 9f0e8ed88db15343a40a4b20137cf50e47510452
SHA256 1ce0393239b5136cccbd82bb439836150b206ab0f864a691ec18302711c6538b
SHA512 c189c0c3e9c40b6b114ce99d9699d7b096e790c44f1d40898b2b0b3b9ad9022261aafca8c469e9c8a1707a83c86cfef845d7cf0ac22eb777e44907ef4a536f29

memory/5032-50-0x0000000002C50000-0x0000000002D50000-memory.dmp

memory/5032-51-0x0000000002C00000-0x0000000002C46000-memory.dmp

memory/5032-52-0x0000000000400000-0x0000000000449000-memory.dmp

memory/5032-53-0x00000000070E0000-0x000000000711C000-memory.dmp

memory/5032-54-0x0000000007180000-0x00000000071BA000-memory.dmp

memory/5032-86-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/5032-90-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/5032-88-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/5032-84-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/5032-82-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/5032-80-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/5032-78-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/5032-76-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/5032-74-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/5032-72-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/5032-70-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/5032-68-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/5032-66-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/5032-64-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/5032-62-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/5032-60-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/5032-58-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/5032-56-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/5032-55-0x0000000007180000-0x00000000071B5000-memory.dmp

memory/5032-847-0x0000000009C70000-0x000000000A288000-memory.dmp

memory/5032-848-0x000000000A330000-0x000000000A342000-memory.dmp

memory/5032-849-0x000000000A350000-0x000000000A45A000-memory.dmp

memory/5032-850-0x000000000A470000-0x000000000A4AC000-memory.dmp

memory/5032-851-0x000000000A4F0000-0x000000000A53C000-memory.dmp

memory/5032-852-0x0000000002C50000-0x0000000002D50000-memory.dmp

memory/5032-853-0x0000000002C00000-0x0000000002C46000-memory.dmp

memory/5032-855-0x0000000000400000-0x0000000000449000-memory.dmp