Malware Analysis Report

2025-08-10 23:23

Sample ID 241117-kt8masvqfx
Target bf91deed984f9d3b39957b26723aba5a0c1672da98458206893d35f65384fd51
SHA256 bf91deed984f9d3b39957b26723aba5a0c1672da98458206893d35f65384fd51
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

bf91deed984f9d3b39957b26723aba5a0c1672da98458206893d35f65384fd51

Threat Level: Known bad

The file bf91deed984f9d3b39957b26723aba5a0c1672da98458206893d35f65384fd51 was found to be: Known bad.

Malicious Activity Summary

healer redline discovery dropper evasion infostealer persistence trojan

Redline family

RedLine

Healer

Healer family

Modifies Windows Defender Real-time Protection settings

RedLine payload

Detects Healer an antivirus disabler dropper

Executes dropped EXE

Windows security modification

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-17 08:54

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-17 08:54

Reported

2024-11-17 08:57

Platform

win10v2004-20241007-en

Max time kernel

141s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bf91deed984f9d3b39957b26723aba5a0c1672da98458206893d35f65384fd51.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\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\it936048.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\it936048.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\it936048.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\it936048.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\it936048.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\it936048.exe N/A

RedLine

infostealer redline

RedLine payload

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Redline family

redline

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\it936048.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jr801884.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\it936048.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\bf91deed984f9d3b39957b26723aba5a0c1672da98458206893d35f65384fd51.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\bf91deed984f9d3b39957b26723aba5a0c1672da98458206893d35f65384fd51.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jr801884.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\it936048.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\it936048.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\it936048.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jr801884.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bf91deed984f9d3b39957b26723aba5a0c1672da98458206893d35f65384fd51.exe

"C:\Users\Admin\AppData\Local\Temp\bf91deed984f9d3b39957b26723aba5a0c1672da98458206893d35f65384fd51.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\it936048.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\it936048.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jr801884.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jr801884.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 185.161.248.152:38452 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
RU 185.161.248.152:38452 tcp
RU 185.161.248.152:38452 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
RU 185.161.248.152:38452 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
RU 185.161.248.152:38452 tcp
RU 185.161.248.152:38452 tcp
RU 185.161.248.152:38452 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\it936048.exe

MD5 7e93bacbbc33e6652e147e7fe07572a0
SHA1 421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256 850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512 250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

memory/2840-7-0x00007FFD37703000-0x00007FFD37705000-memory.dmp

memory/2840-8-0x0000000000850000-0x000000000085A000-memory.dmp

memory/2840-9-0x00007FFD37703000-0x00007FFD37705000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jr801884.exe

MD5 7b56dba5fa8d2a654ed2f62a133ff542
SHA1 d83ecb3c3270616c401aaa229aaa371b69b87dbb
SHA256 37be706e98fd037a7fe697ef7daae5af7edad9a1bbebe37905c52174cdf47a6e
SHA512 1ae269392f5cf8b8ab59cc52b7eeb375a7bdced872c614aefacb44b3706a1a05579aba2d263b01e52a3f6ee7de1f6b49c0bcd09e3d6732ba4972e957125b0970

memory/4808-15-0x0000000002F70000-0x0000000003070000-memory.dmp

memory/4808-16-0x0000000002D10000-0x0000000002D56000-memory.dmp

memory/4808-17-0x0000000000400000-0x0000000000449000-memory.dmp

memory/4808-18-0x0000000004BE0000-0x0000000004C1C000-memory.dmp

memory/4808-19-0x0000000007380000-0x0000000007924000-memory.dmp

memory/4808-20-0x0000000007200000-0x000000000723A000-memory.dmp

memory/4808-28-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-30-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-76-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-68-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-61-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-44-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-26-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-24-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-22-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-21-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-84-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-82-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-80-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-78-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-74-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-72-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-70-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-815-0x000000000A3D0000-0x000000000A4DA000-memory.dmp

memory/4808-814-0x00000000072E0000-0x00000000072F2000-memory.dmp

memory/4808-813-0x0000000009DB0000-0x000000000A3C8000-memory.dmp

memory/4808-66-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-64-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-62-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-816-0x0000000007310000-0x000000000734C000-memory.dmp

memory/4808-58-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-56-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-54-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-52-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-50-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-48-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-46-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-42-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-40-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-38-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-36-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-34-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-32-0x0000000007200000-0x0000000007235000-memory.dmp

memory/4808-817-0x0000000004AD0000-0x0000000004B1C000-memory.dmp

memory/4808-818-0x0000000002F70000-0x0000000003070000-memory.dmp

memory/4808-819-0x0000000002D10000-0x0000000002D56000-memory.dmp

memory/4808-821-0x0000000000400000-0x0000000000449000-memory.dmp