Malware Analysis Report

2025-08-06 00:58

Sample ID 241109-fs3mfaxnb1
Target 33e8c4342843c8ec98beee3eae67dd93c47222be73fd9dd2355e0cb5b2eabbaa
SHA256 33e8c4342843c8ec98beee3eae67dd93c47222be73fd9dd2355e0cb5b2eabbaa
Tags
healer redline rosn 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

33e8c4342843c8ec98beee3eae67dd93c47222be73fd9dd2355e0cb5b2eabbaa

Threat Level: Known bad

The file 33e8c4342843c8ec98beee3eae67dd93c47222be73fd9dd2355e0cb5b2eabbaa was found to be: Known bad.

Malicious Activity Summary

healer redline rosn discovery dropper evasion infostealer persistence trojan

Modifies Windows Defender Real-time Protection settings

RedLine

RedLine payload

Healer family

Detects Healer an antivirus disabler dropper

Healer

Redline family

Executes dropped EXE

Windows security modification

Adds Run key to start application

Program crash

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 05:08

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 05:08

Reported

2024-11-09 05:11

Platform

win10v2004-20241007-en

Max time kernel

144s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\33e8c4342843c8ec98beee3eae67dd93c47222be73fd9dd2355e0cb5b2eabbaa.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\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro5030.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\pro5030.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\pro5030.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\pro5030.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro5030.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\pro5030.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\pro5030.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro5030.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\33e8c4342843c8ec98beee3eae67dd93c47222be73fd9dd2355e0cb5b2eabbaa.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\un289129.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\33e8c4342843c8ec98beee3eae67dd93c47222be73fd9dd2355e0cb5b2eabbaa.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un289129.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro5030.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8757.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro5030.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro5030.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro5030.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8757.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1708 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\33e8c4342843c8ec98beee3eae67dd93c47222be73fd9dd2355e0cb5b2eabbaa.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un289129.exe
PID 1708 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\33e8c4342843c8ec98beee3eae67dd93c47222be73fd9dd2355e0cb5b2eabbaa.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un289129.exe
PID 1708 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\33e8c4342843c8ec98beee3eae67dd93c47222be73fd9dd2355e0cb5b2eabbaa.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un289129.exe
PID 2648 wrote to memory of 4820 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un289129.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro5030.exe
PID 2648 wrote to memory of 4820 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un289129.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro5030.exe
PID 2648 wrote to memory of 4820 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un289129.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro5030.exe
PID 2648 wrote to memory of 5056 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un289129.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8757.exe
PID 2648 wrote to memory of 5056 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un289129.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8757.exe
PID 2648 wrote to memory of 5056 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un289129.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8757.exe

Processes

C:\Users\Admin\AppData\Local\Temp\33e8c4342843c8ec98beee3eae67dd93c47222be73fd9dd2355e0cb5b2eabbaa.exe

"C:\Users\Admin\AppData\Local\Temp\33e8c4342843c8ec98beee3eae67dd93c47222be73fd9dd2355e0cb5b2eabbaa.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un289129.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un289129.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro5030.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro5030.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4820 -ip 4820

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4820 -s 1104

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8757.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8757.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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
RU 176.113.115.145:4125 tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
RU 176.113.115.145:4125 tcp
RU 176.113.115.145:4125 tcp
RU 176.113.115.145:4125 tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
RU 176.113.115.145:4125 tcp
RU 176.113.115.145:4125 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un289129.exe

MD5 c9590a62034f56aac562120dd0e17788
SHA1 60a9f28e9c78417d21938fe1891a4805057169f0
SHA256 4c67a5cb022a74335bf7d78a26d106494de6e444732275ec29b5dc8c27a328b6
SHA512 6e0502b613873e91bd225b4359859cba2c64d8b1a06920f5be98ed69f1bb0518a2265e873177b0de3dcbc52bb20940b04a23355f24ecef23fad0ed73070b8b67

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro5030.exe

MD5 a03288b0bd561eab8c55d9d2087c4895
SHA1 3d5f2f1e3c99292910d79d44e9e3f6ba68732c9a
SHA256 f85d28a1227215ad7ea7b73e5eca8506bb7b7cd22cdaef3936338b8be6349a2a
SHA512 d6ed7285ddedb941aec3b50528b8829098a6f1d64a83bfd25dade8265375d5396a88ae1f584a67db9911aea7f617e73ef71c8a656cddcde2b013a8dbde91de74

memory/4820-16-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4820-15-0x0000000000820000-0x0000000000920000-memory.dmp

memory/4820-17-0x0000000000400000-0x00000000007FC000-memory.dmp

memory/4820-18-0x0000000000400000-0x00000000007FC000-memory.dmp

memory/4820-19-0x0000000002360000-0x000000000237A000-memory.dmp

memory/4820-20-0x0000000004F00000-0x00000000054A4000-memory.dmp

memory/4820-21-0x00000000025E0000-0x00000000025F8000-memory.dmp

memory/4820-23-0x00000000025E0000-0x00000000025F2000-memory.dmp

memory/4820-49-0x00000000025E0000-0x00000000025F2000-memory.dmp

memory/4820-47-0x00000000025E0000-0x00000000025F2000-memory.dmp

memory/4820-45-0x00000000025E0000-0x00000000025F2000-memory.dmp

memory/4820-41-0x00000000025E0000-0x00000000025F2000-memory.dmp

memory/4820-40-0x00000000025E0000-0x00000000025F2000-memory.dmp

memory/4820-37-0x00000000025E0000-0x00000000025F2000-memory.dmp

memory/4820-35-0x00000000025E0000-0x00000000025F2000-memory.dmp

memory/4820-33-0x00000000025E0000-0x00000000025F2000-memory.dmp

memory/4820-31-0x00000000025E0000-0x00000000025F2000-memory.dmp

memory/4820-29-0x00000000025E0000-0x00000000025F2000-memory.dmp

memory/4820-27-0x00000000025E0000-0x00000000025F2000-memory.dmp

memory/4820-25-0x00000000025E0000-0x00000000025F2000-memory.dmp

memory/4820-22-0x00000000025E0000-0x00000000025F2000-memory.dmp

memory/4820-43-0x00000000025E0000-0x00000000025F2000-memory.dmp

memory/4820-50-0x0000000000820000-0x0000000000920000-memory.dmp

memory/4820-51-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4820-54-0x0000000000400000-0x00000000007FC000-memory.dmp

memory/4820-55-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8757.exe

MD5 4daeaeee1ef86d648d92322f81c3445f
SHA1 4e3730174357b5b73eec8fbb9371a663dfc9264c
SHA256 79ace76454bd4322b5a2a75b09e417ce941115ebfec1b876fcd38e012de92f0d
SHA512 2136755d27fe18dc1b57de4437f1afd747ad9b4f074b281d677dfb6d7e9eabdd891c212563ce67042ebda6b11f1d51270cfc8c0e39edc0522ba855edfd095fb7

memory/5056-60-0x0000000002790000-0x00000000027D6000-memory.dmp

memory/5056-61-0x0000000002990000-0x00000000029D4000-memory.dmp

memory/5056-81-0x0000000002990000-0x00000000029CF000-memory.dmp

memory/5056-85-0x0000000002990000-0x00000000029CF000-memory.dmp

memory/5056-96-0x0000000002990000-0x00000000029CF000-memory.dmp

memory/5056-93-0x0000000002990000-0x00000000029CF000-memory.dmp

memory/5056-91-0x0000000002990000-0x00000000029CF000-memory.dmp

memory/5056-89-0x0000000002990000-0x00000000029CF000-memory.dmp

memory/5056-87-0x0000000002990000-0x00000000029CF000-memory.dmp

memory/5056-83-0x0000000002990000-0x00000000029CF000-memory.dmp

memory/5056-79-0x0000000002990000-0x00000000029CF000-memory.dmp

memory/5056-77-0x0000000002990000-0x00000000029CF000-memory.dmp

memory/5056-73-0x0000000002990000-0x00000000029CF000-memory.dmp

memory/5056-75-0x0000000002990000-0x00000000029CF000-memory.dmp

memory/5056-71-0x0000000002990000-0x00000000029CF000-memory.dmp

memory/5056-69-0x0000000002990000-0x00000000029CF000-memory.dmp

memory/5056-67-0x0000000002990000-0x00000000029CF000-memory.dmp

memory/5056-65-0x0000000002990000-0x00000000029CF000-memory.dmp

memory/5056-63-0x0000000002990000-0x00000000029CF000-memory.dmp

memory/5056-62-0x0000000002990000-0x00000000029CF000-memory.dmp

memory/5056-968-0x0000000005510000-0x0000000005B28000-memory.dmp

memory/5056-969-0x0000000005B30000-0x0000000005C3A000-memory.dmp

memory/5056-970-0x0000000004F30000-0x0000000004F42000-memory.dmp

memory/5056-971-0x0000000005C40000-0x0000000005C7C000-memory.dmp

memory/5056-972-0x0000000005D90000-0x0000000005DDC000-memory.dmp