Malware Analysis Report

2025-04-03 14:18

Sample ID 241110-dfn76sybpa
Target b9ed05ae790a1750b1c21cfd911dc0b46ecf1e5716c8721c23c007316fa7f2b8
SHA256 b9ed05ae790a1750b1c21cfd911dc0b46ecf1e5716c8721c23c007316fa7f2b8
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

b9ed05ae790a1750b1c21cfd911dc0b46ecf1e5716c8721c23c007316fa7f2b8

Threat Level: Known bad

The file b9ed05ae790a1750b1c21cfd911dc0b46ecf1e5716c8721c23c007316fa7f2b8 was found to be: Known bad.

Malicious Activity Summary

healer redline rosn discovery dropper evasion infostealer persistence trojan

Healer family

Redline family

RedLine

RedLine payload

Detects Healer an antivirus disabler dropper

Modifies Windows Defender Real-time Protection settings

Healer

Executes dropped EXE

Windows security modification

Adds Run key to start application

Launches sc.exe

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

2024-11-10 02:57

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 02:57

Reported

2024-11-10 02:59

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b9ed05ae790a1750b1c21cfd911dc0b46ecf1e5716c8721c23c007316fa7f2b8.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\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7192.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\pro7192.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\pro7192.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\pro7192.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\pro7192.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7192.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\pro7192.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7192.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\b9ed05ae790a1750b1c21cfd911dc0b46ecf1e5716c8721c23c007316fa7f2b8.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\un588297.exe N/A

Launches sc.exe

Description Indicator Process Target
N/A N/A C:\Windows\system32\sc.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\b9ed05ae790a1750b1c21cfd911dc0b46ecf1e5716c8721c23c007316fa7f2b8.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un588297.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7192.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8824.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7192.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7192.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7192.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8824.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3092 wrote to memory of 1380 N/A C:\Users\Admin\AppData\Local\Temp\b9ed05ae790a1750b1c21cfd911dc0b46ecf1e5716c8721c23c007316fa7f2b8.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un588297.exe
PID 3092 wrote to memory of 1380 N/A C:\Users\Admin\AppData\Local\Temp\b9ed05ae790a1750b1c21cfd911dc0b46ecf1e5716c8721c23c007316fa7f2b8.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un588297.exe
PID 3092 wrote to memory of 1380 N/A C:\Users\Admin\AppData\Local\Temp\b9ed05ae790a1750b1c21cfd911dc0b46ecf1e5716c8721c23c007316fa7f2b8.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un588297.exe
PID 1380 wrote to memory of 4092 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un588297.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7192.exe
PID 1380 wrote to memory of 4092 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un588297.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7192.exe
PID 1380 wrote to memory of 4092 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un588297.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7192.exe
PID 1380 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un588297.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8824.exe
PID 1380 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un588297.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8824.exe
PID 1380 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un588297.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8824.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b9ed05ae790a1750b1c21cfd911dc0b46ecf1e5716c8721c23c007316fa7f2b8.exe

"C:\Users\Admin\AppData\Local\Temp\b9ed05ae790a1750b1c21cfd911dc0b46ecf1e5716c8721c23c007316fa7f2b8.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un588297.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un588297.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7192.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7192.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4092 -ip 4092

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4092 -s 1080

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8824.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8824.exe

C:\Windows\system32\sc.exe

C:\Windows\system32\sc.exe start wuauserv

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 106.208.201.84.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
RU 176.113.115.145:4125 tcp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.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 31.243.111.52.in-addr.arpa udp
RU 176.113.115.145:4125 tcp
RU 176.113.115.145:4125 tcp
US 8.8.8.8:53 udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un588297.exe

MD5 cc26998aea077b03bb79330fb90e43e7
SHA1 b6dc4e220b630184db1d4ba60c6df8d3db928f78
SHA256 f10711c3f4d5228c2532337327acef2d1a8e6ac966209732f8a0b592d0676bba
SHA512 21a86c906874ccb28e72af49d34b066306ae2ec1348d96f9cf5b845adf9b00cb744965a31a66db4aa6e7118839a200a45504353c26eb0fd04ac7fa07c08ad12a

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7192.exe

MD5 b3f9599696b7591c3ad085e4cc76a1e6
SHA1 f5427e6c499d0ed10be3dceb14ba60774561c231
SHA256 e4a9506564fd2e85d785ddc2cf35edc813d72632862c8a13c5dd3eb07888e610
SHA512 db1a86a3d42e12b0dbbdb049385229575216a0c05762a061af442323c5285c4d856b4631da5e8e52a3492bc9d036c4e06104e360d2551c7cb205cff2632dc4be

memory/4092-15-0x0000000002BB0000-0x0000000002CB0000-memory.dmp

memory/4092-16-0x0000000002B80000-0x0000000002BAD000-memory.dmp

memory/4092-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4092-18-0x0000000004960000-0x000000000497A000-memory.dmp

memory/4092-19-0x0000000007270000-0x0000000007814000-memory.dmp

memory/4092-20-0x0000000004DA0000-0x0000000004DB8000-memory.dmp

memory/4092-22-0x0000000004DA0000-0x0000000004DB2000-memory.dmp

memory/4092-47-0x0000000004DA0000-0x0000000004DB2000-memory.dmp

memory/4092-44-0x0000000004DA0000-0x0000000004DB2000-memory.dmp

memory/4092-48-0x0000000004DA0000-0x0000000004DB2000-memory.dmp

memory/4092-42-0x0000000004DA0000-0x0000000004DB2000-memory.dmp

memory/4092-40-0x0000000004DA0000-0x0000000004DB2000-memory.dmp

memory/4092-38-0x0000000004DA0000-0x0000000004DB2000-memory.dmp

memory/4092-36-0x0000000004DA0000-0x0000000004DB2000-memory.dmp

memory/4092-34-0x0000000004DA0000-0x0000000004DB2000-memory.dmp

memory/4092-32-0x0000000004DA0000-0x0000000004DB2000-memory.dmp

memory/4092-30-0x0000000004DA0000-0x0000000004DB2000-memory.dmp

memory/4092-28-0x0000000004DA0000-0x0000000004DB2000-memory.dmp

memory/4092-26-0x0000000004DA0000-0x0000000004DB2000-memory.dmp

memory/4092-24-0x0000000004DA0000-0x0000000004DB2000-memory.dmp

memory/4092-21-0x0000000004DA0000-0x0000000004DB2000-memory.dmp

memory/4092-49-0x0000000002BB0000-0x0000000002CB0000-memory.dmp

memory/4092-50-0x0000000002B80000-0x0000000002BAD000-memory.dmp

memory/4092-52-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4092-51-0x0000000000400000-0x0000000002B73000-memory.dmp

memory/4092-55-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8824.exe

MD5 9e5970d1eb276a2b8003291784949327
SHA1 aa384c1d125516ead7b6f0c733a8e65bfef5377d
SHA256 5f2b09a2a9de086df53843c9fe1c51dcd61dedebf1c99078f301c619aab07106
SHA512 041337bf27b93c180e75433f46cb3e68338ea3f164c4ed33d02be5a3bc29ea91344e6963d68039004a531ac345d81950e603802c7d1be5df03d0379b4344e3d6

memory/4092-54-0x0000000000400000-0x0000000002B73000-memory.dmp

memory/1652-60-0x0000000004A40000-0x0000000004A86000-memory.dmp

memory/1652-61-0x0000000007750000-0x0000000007794000-memory.dmp

memory/1652-75-0x0000000007750000-0x000000000778F000-memory.dmp

memory/1652-96-0x0000000007750000-0x000000000778F000-memory.dmp

memory/1652-93-0x0000000007750000-0x000000000778F000-memory.dmp

memory/1652-91-0x0000000007750000-0x000000000778F000-memory.dmp

memory/1652-89-0x0000000007750000-0x000000000778F000-memory.dmp

memory/1652-87-0x0000000007750000-0x000000000778F000-memory.dmp

memory/1652-85-0x0000000007750000-0x000000000778F000-memory.dmp

memory/1652-83-0x0000000007750000-0x000000000778F000-memory.dmp

memory/1652-81-0x0000000007750000-0x000000000778F000-memory.dmp

memory/1652-79-0x0000000007750000-0x000000000778F000-memory.dmp

memory/1652-77-0x0000000007750000-0x000000000778F000-memory.dmp

memory/1652-73-0x0000000007750000-0x000000000778F000-memory.dmp

memory/1652-71-0x0000000007750000-0x000000000778F000-memory.dmp

memory/1652-69-0x0000000007750000-0x000000000778F000-memory.dmp

memory/1652-67-0x0000000007750000-0x000000000778F000-memory.dmp

memory/1652-65-0x0000000007750000-0x000000000778F000-memory.dmp

memory/1652-63-0x0000000007750000-0x000000000778F000-memory.dmp

memory/1652-62-0x0000000007750000-0x000000000778F000-memory.dmp

memory/1652-968-0x00000000077C0000-0x0000000007DD8000-memory.dmp

memory/1652-969-0x0000000007E60000-0x0000000007F6A000-memory.dmp

memory/1652-970-0x0000000007FA0000-0x0000000007FB2000-memory.dmp

memory/1652-971-0x0000000007FC0000-0x0000000007FFC000-memory.dmp

memory/1652-972-0x0000000008110000-0x000000000815C000-memory.dmp