Malware Analysis Report

2024-12-06 02:55

Sample ID 241110-a9fw4symhl
Target 5585cf8a51669c1b5b7a676287471f74c8ca2d1ad2d4809b3819bd71b60cfbac
SHA256 5585cf8a51669c1b5b7a676287471f74c8ca2d1ad2d4809b3819bd71b60cfbac
Tags
healer redline rosto 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

5585cf8a51669c1b5b7a676287471f74c8ca2d1ad2d4809b3819bd71b60cfbac

Threat Level: Known bad

The file 5585cf8a51669c1b5b7a676287471f74c8ca2d1ad2d4809b3819bd71b60cfbac was found to be: Known bad.

Malicious Activity Summary

healer redline rosto discovery dropper evasion infostealer persistence trojan

RedLine payload

RedLine

Healer

Healer family

Redline family

Detects Healer an antivirus disabler dropper

Modifies Windows Defender Real-time Protection settings

Windows security modification

Executes dropped EXE

Adds Run key to start application

Launches sc.exe

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 00:54

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 00:54

Reported

2024-11-10 00:57

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5585cf8a51669c1b5b7a676287471f74c8ca2d1ad2d4809b3819bd71b60cfbac.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\urMU23Xi46.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\urMU23Xi46.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\urMU23Xi46.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\urMU23Xi46.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\urMU23Xi46.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\urMU23Xi46.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\urMU23Xi46.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urMU23Xi46.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\5585cf8a51669c1b5b7a676287471f74c8ca2d1ad2d4809b3819bd71b60cfbac.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\yckx69qs88.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\5585cf8a51669c1b5b7a676287471f74c8ca2d1ad2d4809b3819bd71b60cfbac.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yckx69qs88.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urMU23Xi46.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrrg86uT83.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urMU23Xi46.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urMU23Xi46.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urMU23Xi46.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrrg86uT83.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2936 wrote to memory of 412 N/A C:\Users\Admin\AppData\Local\Temp\5585cf8a51669c1b5b7a676287471f74c8ca2d1ad2d4809b3819bd71b60cfbac.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yckx69qs88.exe
PID 2936 wrote to memory of 412 N/A C:\Users\Admin\AppData\Local\Temp\5585cf8a51669c1b5b7a676287471f74c8ca2d1ad2d4809b3819bd71b60cfbac.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yckx69qs88.exe
PID 2936 wrote to memory of 412 N/A C:\Users\Admin\AppData\Local\Temp\5585cf8a51669c1b5b7a676287471f74c8ca2d1ad2d4809b3819bd71b60cfbac.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yckx69qs88.exe
PID 412 wrote to memory of 4496 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yckx69qs88.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urMU23Xi46.exe
PID 412 wrote to memory of 4496 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yckx69qs88.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urMU23Xi46.exe
PID 412 wrote to memory of 4496 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yckx69qs88.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urMU23Xi46.exe
PID 412 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yckx69qs88.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrrg86uT83.exe
PID 412 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yckx69qs88.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrrg86uT83.exe
PID 412 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yckx69qs88.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrrg86uT83.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5585cf8a51669c1b5b7a676287471f74c8ca2d1ad2d4809b3819bd71b60cfbac.exe

"C:\Users\Admin\AppData\Local\Temp\5585cf8a51669c1b5b7a676287471f74c8ca2d1ad2d4809b3819bd71b60cfbac.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yckx69qs88.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yckx69qs88.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urMU23Xi46.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urMU23Xi46.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4496 -ip 4496

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 1096

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrrg86uT83.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrrg86uT83.exe

C:\Windows\system32\sc.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yckx69qs88.exe

MD5 c9605622c02ff1d87f02d20c2cb1d1aa
SHA1 d47e97ea26c531793a48e2c2c807948bcdb1533b
SHA256 ce826618aa220e15f20172baddfa4e1c9f7058f6c61599d0e041bda2d4f99855
SHA512 734f52e4d4b9b9152c107c603e1fa3e3a95f7a9d801e945e4110d9a6009a674a6f3b3196c4be88d608fc6b72f426ab3eab634abb7cec901bca0be99e0d53c077

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urMU23Xi46.exe

MD5 3fa3b033c4f009e10bc1fc1937d1648f
SHA1 5312efd06ad98019cd9b47e29508eda8e0a75a22
SHA256 802445df965f6ab11774fe9b2df81259fde366c7d31e201920c01c52e4470265
SHA512 15b09a70edfa6e9db5ec26ed4f905e8ab9879274e3bbc3bc7b88e331ef557ad64fa060f1c35013055070fec16ad703e31c3e0ab01b86ac0a846709e7600ff3d1

memory/4496-15-0x0000000000640000-0x0000000000740000-memory.dmp

memory/4496-16-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4496-17-0x0000000000400000-0x0000000000583000-memory.dmp

memory/4496-18-0x0000000000400000-0x0000000000583000-memory.dmp

memory/4496-19-0x00000000021F0000-0x000000000220A000-memory.dmp

memory/4496-20-0x0000000004C90000-0x0000000005234000-memory.dmp

memory/4496-21-0x0000000004B30000-0x0000000004B48000-memory.dmp

memory/4496-49-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4496-47-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4496-45-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4496-43-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4496-41-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4496-39-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4496-37-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4496-35-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4496-33-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4496-31-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4496-29-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4496-27-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4496-25-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4496-23-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4496-22-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/4496-50-0x0000000000640000-0x0000000000740000-memory.dmp

memory/4496-51-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4496-54-0x0000000000400000-0x0000000000583000-memory.dmp

memory/4496-55-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrrg86uT83.exe

MD5 c08ea92c1d03fb367226765e9271415b
SHA1 a7446c05eb491cbaeb1d528f96b4d6ba70017c2a
SHA256 5687174289cc28ecf2025e0aec313a18151361200f818a8e6d83123e4ad40388
SHA512 a975c487c656bd35704a3a2da42c2cae28aa72c234295ffc4d4c87f2aa4f05889bc5bed1d6e41c4b5c7390808cc0fae7241577cbf538694eb0167de089400a1d

memory/2924-60-0x00000000023A0000-0x00000000023E6000-memory.dmp

memory/2924-61-0x00000000026C0000-0x0000000002704000-memory.dmp

memory/2924-65-0x00000000026C0000-0x00000000026FE000-memory.dmp

memory/2924-75-0x00000000026C0000-0x00000000026FE000-memory.dmp

memory/2924-95-0x00000000026C0000-0x00000000026FE000-memory.dmp

memory/2924-93-0x00000000026C0000-0x00000000026FE000-memory.dmp

memory/2924-91-0x00000000026C0000-0x00000000026FE000-memory.dmp

memory/2924-89-0x00000000026C0000-0x00000000026FE000-memory.dmp

memory/2924-87-0x00000000026C0000-0x00000000026FE000-memory.dmp

memory/2924-83-0x00000000026C0000-0x00000000026FE000-memory.dmp

memory/2924-81-0x00000000026C0000-0x00000000026FE000-memory.dmp

memory/2924-79-0x00000000026C0000-0x00000000026FE000-memory.dmp

memory/2924-77-0x00000000026C0000-0x00000000026FE000-memory.dmp

memory/2924-73-0x00000000026C0000-0x00000000026FE000-memory.dmp

memory/2924-71-0x00000000026C0000-0x00000000026FE000-memory.dmp

memory/2924-69-0x00000000026C0000-0x00000000026FE000-memory.dmp

memory/2924-67-0x00000000026C0000-0x00000000026FE000-memory.dmp

memory/2924-85-0x00000000026C0000-0x00000000026FE000-memory.dmp

memory/2924-63-0x00000000026C0000-0x00000000026FE000-memory.dmp

memory/2924-62-0x00000000026C0000-0x00000000026FE000-memory.dmp

memory/2924-968-0x00000000051F0000-0x0000000005808000-memory.dmp

memory/2924-969-0x0000000005870000-0x000000000597A000-memory.dmp

memory/2924-970-0x00000000059B0000-0x00000000059C2000-memory.dmp

memory/2924-971-0x00000000059D0000-0x0000000005A0C000-memory.dmp

memory/2924-972-0x0000000005B20000-0x0000000005B6C000-memory.dmp