Malware Analysis Report

2024-12-07 04:11

Sample ID 241113-xpyyhswrh1
Target fb9eb91d82aab51fc75424d81149ae5f438376d7f4ef1018798f0a2105b028a9
SHA256 fb9eb91d82aab51fc75424d81149ae5f438376d7f4ef1018798f0a2105b028a9
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

fb9eb91d82aab51fc75424d81149ae5f438376d7f4ef1018798f0a2105b028a9

Threat Level: Known bad

The file fb9eb91d82aab51fc75424d81149ae5f438376d7f4ef1018798f0a2105b028a9 was found to be: Known bad.

Malicious Activity Summary

healer redline discovery dropper evasion infostealer persistence trojan

Detects Healer an antivirus disabler dropper

Redline family

Healer

Modifies Windows Defender Real-time Protection settings

Healer family

RedLine payload

RedLine

Windows security modification

Executes dropped EXE

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 19:02

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 19:02

Reported

2024-11-13 19:03

Platform

win10v2004-20241007-en

Max time kernel

56s

Max time network

60s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fb9eb91d82aab51fc75424d81149ae5f438376d7f4ef1018798f0a2105b028a9.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\IXP001.TMP\09672880.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\09672880.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\09672880.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\09672880.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\09672880.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\09672880.exe N/A

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
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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\09672880.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\09672880.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\fb9eb91d82aab51fc75424d81149ae5f438376d7f4ef1018798f0a2105b028a9.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\un021945.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\fb9eb91d82aab51fc75424d81149ae5f438376d7f4ef1018798f0a2105b028a9.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un021945.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\09672880.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk081990.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\09672880.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\09672880.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\09672880.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk081990.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1020 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\fb9eb91d82aab51fc75424d81149ae5f438376d7f4ef1018798f0a2105b028a9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un021945.exe
PID 1020 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\fb9eb91d82aab51fc75424d81149ae5f438376d7f4ef1018798f0a2105b028a9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un021945.exe
PID 1020 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\fb9eb91d82aab51fc75424d81149ae5f438376d7f4ef1018798f0a2105b028a9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un021945.exe
PID 8 wrote to memory of 3580 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un021945.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\09672880.exe
PID 8 wrote to memory of 3580 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un021945.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\09672880.exe
PID 8 wrote to memory of 3580 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un021945.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\09672880.exe
PID 8 wrote to memory of 4092 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un021945.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk081990.exe
PID 8 wrote to memory of 4092 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un021945.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk081990.exe
PID 8 wrote to memory of 4092 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un021945.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk081990.exe

Processes

C:\Users\Admin\AppData\Local\Temp\fb9eb91d82aab51fc75424d81149ae5f438376d7f4ef1018798f0a2105b028a9.exe

"C:\Users\Admin\AppData\Local\Temp\fb9eb91d82aab51fc75424d81149ae5f438376d7f4ef1018798f0a2105b028a9.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un021945.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un021945.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\09672880.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\09672880.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3580 -ip 3580

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3580 -s 1084

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk081990.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk081990.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 185.161.248.143:38452 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
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
RU 185.161.248.143:38452 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un021945.exe

MD5 5055909c5799995404edb4a1eebde01d
SHA1 023c30d7c1ad053c8b319a478f8dc5ed0d5e4bf2
SHA256 039986117e5c2bb446c014718692adb0472ce56a00c39e8e2a0e2138a5300e34
SHA512 ed142a46fefc9015f40f908bde6f0fcfaf92a4f7a5afb70ddb768b300cbc9cf3e40eb07c13eb3718592a5d7c181a420405653a62274a8e60155e0468cb286315

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\09672880.exe

MD5 60b60b69a11c9936a213c7fa97c3f4ef
SHA1 7c895cb1b541d8854825faf56fdf5cd20412588a
SHA256 ee52370717f258cf8b3ca7247d1b0095e70d0a958cbba1a007b0149a1f66677c
SHA512 ffe15a541909735c18cb209dbe667056fdc3856b876ba3fc6fbdb5f1e9b23c7808c04858e0f828ba33b2d53566a3728ace7fa9eecd1be371d5f7ce10dd6b298f

memory/3580-15-0x0000000002DD0000-0x0000000002ED0000-memory.dmp

memory/3580-16-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3580-17-0x0000000004BA0000-0x0000000004BBA000-memory.dmp

memory/3580-18-0x0000000007130000-0x00000000076D4000-memory.dmp

memory/3580-19-0x0000000000400000-0x0000000002B9B000-memory.dmp

memory/3580-20-0x00000000076F0000-0x0000000007708000-memory.dmp

memory/3580-34-0x00000000076F0000-0x0000000007703000-memory.dmp

memory/3580-48-0x00000000076F0000-0x0000000007703000-memory.dmp

memory/3580-46-0x00000000076F0000-0x0000000007703000-memory.dmp

memory/3580-44-0x00000000076F0000-0x0000000007703000-memory.dmp

memory/3580-42-0x00000000076F0000-0x0000000007703000-memory.dmp

memory/3580-40-0x00000000076F0000-0x0000000007703000-memory.dmp

memory/3580-38-0x00000000076F0000-0x0000000007703000-memory.dmp

memory/3580-36-0x00000000076F0000-0x0000000007703000-memory.dmp

memory/3580-32-0x00000000076F0000-0x0000000007703000-memory.dmp

memory/3580-30-0x00000000076F0000-0x0000000007703000-memory.dmp

memory/3580-24-0x00000000076F0000-0x0000000007703000-memory.dmp

memory/3580-22-0x00000000076F0000-0x0000000007703000-memory.dmp

memory/3580-28-0x00000000076F0000-0x0000000007703000-memory.dmp

memory/3580-26-0x00000000076F0000-0x0000000007703000-memory.dmp

memory/3580-21-0x00000000076F0000-0x0000000007703000-memory.dmp

memory/3580-49-0x0000000002DD0000-0x0000000002ED0000-memory.dmp

memory/3580-51-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3580-50-0x0000000000400000-0x0000000002B9B000-memory.dmp

memory/3580-53-0x0000000000400000-0x0000000002B9B000-memory.dmp

memory/3580-54-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk081990.exe

MD5 7c4ad0409597b9c01b1208f2bd956682
SHA1 eac09038b8e71d19acf89053d4cf6a2a5af4c980
SHA256 e47e44e514bee08144f9c47fa358ca94eecff80decda1d79bc326e318b9e09e3
SHA512 41651ec4f19577564250ff8b247231e018bb26a6e468e01b639dfa293a9e8531478c2c8372453279565ed818935b9c3f8ac02eae76230262b4b94337d197466e

memory/4092-59-0x00000000049B0000-0x00000000049EC000-memory.dmp

memory/4092-60-0x0000000004B90000-0x0000000004BCA000-memory.dmp

memory/4092-86-0x0000000004B90000-0x0000000004BC5000-memory.dmp

memory/4092-94-0x0000000004B90000-0x0000000004BC5000-memory.dmp

memory/4092-92-0x0000000004B90000-0x0000000004BC5000-memory.dmp

memory/4092-90-0x0000000004B90000-0x0000000004BC5000-memory.dmp

memory/4092-88-0x0000000004B90000-0x0000000004BC5000-memory.dmp

memory/4092-84-0x0000000004B90000-0x0000000004BC5000-memory.dmp

memory/4092-82-0x0000000004B90000-0x0000000004BC5000-memory.dmp

memory/4092-854-0x000000000A330000-0x000000000A342000-memory.dmp

memory/4092-853-0x0000000009CC0000-0x000000000A2D8000-memory.dmp

memory/4092-80-0x0000000004B90000-0x0000000004BC5000-memory.dmp

memory/4092-78-0x0000000004B90000-0x0000000004BC5000-memory.dmp

memory/4092-76-0x0000000004B90000-0x0000000004BC5000-memory.dmp

memory/4092-74-0x0000000004B90000-0x0000000004BC5000-memory.dmp

memory/4092-72-0x0000000004B90000-0x0000000004BC5000-memory.dmp

memory/4092-70-0x0000000004B90000-0x0000000004BC5000-memory.dmp

memory/4092-68-0x0000000004B90000-0x0000000004BC5000-memory.dmp

memory/4092-66-0x0000000004B90000-0x0000000004BC5000-memory.dmp

memory/4092-64-0x0000000004B90000-0x0000000004BC5000-memory.dmp

memory/4092-62-0x0000000004B90000-0x0000000004BC5000-memory.dmp

memory/4092-61-0x0000000004B90000-0x0000000004BC5000-memory.dmp

memory/4092-855-0x000000000A350000-0x000000000A45A000-memory.dmp

memory/4092-856-0x000000000A470000-0x000000000A4AC000-memory.dmp

memory/4092-857-0x0000000004C40000-0x0000000004C8C000-memory.dmp