Malware Analysis Report

2025-01-23 07:34

Sample ID 241104-ra1wnsznby
Target 87d0736cc4b3a15613ac3bf20afe23f2be07ccb4620ee5223cdf6400cee52035
SHA256 87d0736cc4b3a15613ac3bf20afe23f2be07ccb4620ee5223cdf6400cee52035
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

87d0736cc4b3a15613ac3bf20afe23f2be07ccb4620ee5223cdf6400cee52035

Threat Level: Known bad

The file 87d0736cc4b3a15613ac3bf20afe23f2be07ccb4620ee5223cdf6400cee52035 was found to be: Known bad.

Malicious Activity Summary

healer redline discovery dropper evasion infostealer persistence trojan

Modifies Windows Defender Real-time Protection settings

RedLine

Detects Healer an antivirus disabler dropper

Redline family

RedLine payload

Healer

Healer family

Windows security modification

Executes dropped EXE

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-04 14:00

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-04 14:00

Reported

2024-11-04 14:02

Platform

win10v2004-20241007-en

Max time kernel

144s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\87d0736cc4b3a15613ac3bf20afe23f2be07ccb4620ee5223cdf6400cee52035.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\IXP001.TMP\49287517.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\49287517.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\49287517.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\49287517.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\49287517.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\49287517.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\49287517.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\49287517.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\87d0736cc4b3a15613ac3bf20afe23f2be07ccb4620ee5223cdf6400cee52035.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\un736269.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\87d0736cc4b3a15613ac3bf20afe23f2be07ccb4620ee5223cdf6400cee52035.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un736269.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\49287517.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk884014.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\49287517.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\49287517.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\49287517.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk884014.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5092 wrote to memory of 1080 N/A C:\Users\Admin\AppData\Local\Temp\87d0736cc4b3a15613ac3bf20afe23f2be07ccb4620ee5223cdf6400cee52035.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un736269.exe
PID 5092 wrote to memory of 1080 N/A C:\Users\Admin\AppData\Local\Temp\87d0736cc4b3a15613ac3bf20afe23f2be07ccb4620ee5223cdf6400cee52035.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un736269.exe
PID 5092 wrote to memory of 1080 N/A C:\Users\Admin\AppData\Local\Temp\87d0736cc4b3a15613ac3bf20afe23f2be07ccb4620ee5223cdf6400cee52035.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un736269.exe
PID 1080 wrote to memory of 1488 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un736269.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\49287517.exe
PID 1080 wrote to memory of 1488 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un736269.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\49287517.exe
PID 1080 wrote to memory of 1488 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un736269.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\49287517.exe
PID 1080 wrote to memory of 2128 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un736269.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk884014.exe
PID 1080 wrote to memory of 2128 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un736269.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk884014.exe
PID 1080 wrote to memory of 2128 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un736269.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk884014.exe

Processes

C:\Users\Admin\AppData\Local\Temp\87d0736cc4b3a15613ac3bf20afe23f2be07ccb4620ee5223cdf6400cee52035.exe

"C:\Users\Admin\AppData\Local\Temp\87d0736cc4b3a15613ac3bf20afe23f2be07ccb4620ee5223cdf6400cee52035.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un736269.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un736269.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\49287517.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\49287517.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1488 -ip 1488

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1488 -s 1084

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk884014.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk884014.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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 104.209.201.84.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
RU 185.161.248.143:38452 tcp
RU 185.161.248.143:38452 tcp
RU 185.161.248.143:38452 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un736269.exe

MD5 fd82eecade96178751ee6aaf9f2a38de
SHA1 eec8a6aa7eca64b6e05fbaa310844290fc7602fc
SHA256 22775044fdd5eee34167e0e8f7fd550eadfa764068474a1e1696cc91cc3b9919
SHA512 1124f394c87cc1212e62c8d8c3a86403206126d7bbf5e2cf8920d01cd93f679ec30bab3944560c67dc1aca268ced98662e785d95eb7ffdecd0e177cba4995acc

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\49287517.exe

MD5 9583c59289e013fa815bf1e8a03ec569
SHA1 eddce806d419c1eddc8ef40def6a4b6c0e0ca520
SHA256 6e99b87a3fdad02438758bf12cb45ab62d0d193cefc1c21f96b7d598422a94df
SHA512 671d6eaa1094f4ebbe1a794ffb24a73a322e87b18962d90b15f2b48099c8ea6a50523a67bf8e3a4f8579e902c6f6f5d05cd5f6c56a876728ca639849cd6bba0a

memory/1488-16-0x0000000002DE0000-0x0000000002E0D000-memory.dmp

memory/1488-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1488-15-0x0000000002E30000-0x0000000002F30000-memory.dmp

memory/1488-18-0x0000000004BC0000-0x0000000004BDA000-memory.dmp

memory/1488-19-0x00000000073F0000-0x0000000007994000-memory.dmp

memory/1488-20-0x0000000004C60000-0x0000000004C78000-memory.dmp

memory/1488-37-0x0000000004C60000-0x0000000004C73000-memory.dmp

memory/1488-48-0x0000000004C60000-0x0000000004C73000-memory.dmp

memory/1488-46-0x0000000004C60000-0x0000000004C73000-memory.dmp

memory/1488-44-0x0000000004C60000-0x0000000004C73000-memory.dmp

memory/1488-42-0x0000000004C60000-0x0000000004C73000-memory.dmp

memory/1488-40-0x0000000004C60000-0x0000000004C73000-memory.dmp

memory/1488-38-0x0000000004C60000-0x0000000004C73000-memory.dmp

memory/1488-34-0x0000000004C60000-0x0000000004C73000-memory.dmp

memory/1488-32-0x0000000004C60000-0x0000000004C73000-memory.dmp

memory/1488-30-0x0000000004C60000-0x0000000004C73000-memory.dmp

memory/1488-28-0x0000000004C60000-0x0000000004C73000-memory.dmp

memory/1488-27-0x0000000004C60000-0x0000000004C73000-memory.dmp

memory/1488-24-0x0000000004C60000-0x0000000004C73000-memory.dmp

memory/1488-22-0x0000000004C60000-0x0000000004C73000-memory.dmp

memory/1488-21-0x0000000004C60000-0x0000000004C73000-memory.dmp

memory/1488-50-0x0000000002E30000-0x0000000002F30000-memory.dmp

memory/1488-49-0x0000000000400000-0x0000000002B9D000-memory.dmp

memory/1488-51-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1488-54-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk884014.exe

MD5 eca557a85a1e85c40a43b626a76dc987
SHA1 16af9614f612b8061a72c8a1a121976e0862b6ff
SHA256 45d62d2b84b58fa96d689860c8bc6268f12e2ad805b1bb6959c62ad22e423148
SHA512 e1ce0e61bfefd7505d5118728233cd6e17e29e3607065e6f4b73cd5e53beca4eaa5cbb8aca5931a80d1202109bf3134219306d70a532aae7aff2466e2ec58332

memory/1488-53-0x0000000000400000-0x0000000002B9D000-memory.dmp

memory/2128-59-0x0000000004BC0000-0x0000000004BFC000-memory.dmp

memory/2128-60-0x00000000070A0000-0x00000000070DA000-memory.dmp

memory/2128-72-0x00000000070A0000-0x00000000070D5000-memory.dmp

memory/2128-70-0x00000000070A0000-0x00000000070D5000-memory.dmp

memory/2128-94-0x00000000070A0000-0x00000000070D5000-memory.dmp

memory/2128-92-0x00000000070A0000-0x00000000070D5000-memory.dmp

memory/2128-90-0x00000000070A0000-0x00000000070D5000-memory.dmp

memory/2128-88-0x00000000070A0000-0x00000000070D5000-memory.dmp

memory/2128-84-0x00000000070A0000-0x00000000070D5000-memory.dmp

memory/2128-82-0x00000000070A0000-0x00000000070D5000-memory.dmp

memory/2128-80-0x00000000070A0000-0x00000000070D5000-memory.dmp

memory/2128-79-0x00000000070A0000-0x00000000070D5000-memory.dmp

memory/2128-76-0x00000000070A0000-0x00000000070D5000-memory.dmp

memory/2128-74-0x00000000070A0000-0x00000000070D5000-memory.dmp

memory/2128-66-0x00000000070A0000-0x00000000070D5000-memory.dmp

memory/2128-64-0x00000000070A0000-0x00000000070D5000-memory.dmp

memory/2128-62-0x00000000070A0000-0x00000000070D5000-memory.dmp

memory/2128-86-0x00000000070A0000-0x00000000070D5000-memory.dmp

memory/2128-68-0x00000000070A0000-0x00000000070D5000-memory.dmp

memory/2128-61-0x00000000070A0000-0x00000000070D5000-memory.dmp

memory/2128-853-0x0000000009C90000-0x000000000A2A8000-memory.dmp

memory/2128-854-0x000000000A330000-0x000000000A342000-memory.dmp

memory/2128-855-0x000000000A350000-0x000000000A45A000-memory.dmp

memory/2128-856-0x000000000A470000-0x000000000A4AC000-memory.dmp

memory/2128-857-0x0000000004860000-0x00000000048AC000-memory.dmp