Malware Analysis Report

2025-04-03 14:18

Sample ID 241109-1nh3fsshrg
Target ef375d83b36df95583d8cfecb23286d3f5ee1020bb5e1dab857553fedcea8b85
SHA256 ef375d83b36df95583d8cfecb23286d3f5ee1020bb5e1dab857553fedcea8b85
Tags
healer redline mofun 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

ef375d83b36df95583d8cfecb23286d3f5ee1020bb5e1dab857553fedcea8b85

Threat Level: Known bad

The file ef375d83b36df95583d8cfecb23286d3f5ee1020bb5e1dab857553fedcea8b85 was found to be: Known bad.

Malicious Activity Summary

healer redline mofun discovery dropper evasion infostealer persistence trojan

Redline family

RedLine payload

Healer

Healer family

Modifies Windows Defender Real-time Protection settings

RedLine

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 use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 21:47

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 21:47

Reported

2024-11-09 21:50

Platform

win10v2004-20241007-en

Max time kernel

142s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ef375d83b36df95583d8cfecb23286d3f5ee1020bb5e1dab857553fedcea8b85.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\a5375063.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\a5375063.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\a5375063.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\a5375063.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\a5375063.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\a5375063.exe N/A

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
N/A N/A N/A N/A
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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\a5375063.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5375063.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\ef375d83b36df95583d8cfecb23286d3f5ee1020bb5e1dab857553fedcea8b85.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\v7211583.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\IXP000.TMP\v7211583.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5375063.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2039371.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ef375d83b36df95583d8cfecb23286d3f5ee1020bb5e1dab857553fedcea8b85.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5375063.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5375063.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5375063.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2592 wrote to memory of 4712 N/A C:\Users\Admin\AppData\Local\Temp\ef375d83b36df95583d8cfecb23286d3f5ee1020bb5e1dab857553fedcea8b85.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7211583.exe
PID 2592 wrote to memory of 4712 N/A C:\Users\Admin\AppData\Local\Temp\ef375d83b36df95583d8cfecb23286d3f5ee1020bb5e1dab857553fedcea8b85.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7211583.exe
PID 2592 wrote to memory of 4712 N/A C:\Users\Admin\AppData\Local\Temp\ef375d83b36df95583d8cfecb23286d3f5ee1020bb5e1dab857553fedcea8b85.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7211583.exe
PID 4712 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7211583.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5375063.exe
PID 4712 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7211583.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5375063.exe
PID 4712 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7211583.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5375063.exe
PID 4712 wrote to memory of 964 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7211583.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2039371.exe
PID 4712 wrote to memory of 964 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7211583.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2039371.exe
PID 4712 wrote to memory of 964 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7211583.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2039371.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ef375d83b36df95583d8cfecb23286d3f5ee1020bb5e1dab857553fedcea8b85.exe

"C:\Users\Admin\AppData\Local\Temp\ef375d83b36df95583d8cfecb23286d3f5ee1020bb5e1dab857553fedcea8b85.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7211583.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7211583.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5375063.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5375063.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2039371.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2039371.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 28.118.140.52.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa 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
CY 217.196.96.101:4132 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
CY 217.196.96.101:4132 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
CY 217.196.96.101:4132 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7211583.exe

MD5 780444fad2e4f73097eec65b2fb4c6fc
SHA1 130a109c3bc0fc9cbb5c092020e8df21d3e11209
SHA256 9be46d85ee839c719d355f0ff6c685752d0a7ba068ea2bcdf6b3664c1049b78c
SHA512 b49cfcc716a2985f62479a2eeae0b8e947e3982e926cc68c5692011faa6b5fd9d45e4f1a507c1ebdb8c2a6408642c6387489c0817b864687f41a22392c6f21c6

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a5375063.exe

MD5 dfc3894bea87e1ae310782034648454a
SHA1 de630c3434ccefaf90ce2d6f263efb31873b56d9
SHA256 51e6d10002c4990bc3cd28db9720eeb761b31a7045e7153fd427199fe00dace3
SHA512 d000dbd235128cac2c097dd85c77fe2ebfb13b452e4485cad1f5f51e6f35e827e3fdae6db93f04a45968d1932d32e77070f8fc2f8ef3a3eeb4ba9345d3bd8533

memory/2136-14-0x000000007498E000-0x000000007498F000-memory.dmp

memory/2136-15-0x00000000024A0000-0x00000000024BA000-memory.dmp

memory/2136-16-0x0000000074980000-0x0000000075130000-memory.dmp

memory/2136-17-0x0000000004B50000-0x00000000050F4000-memory.dmp

memory/2136-18-0x0000000004AC0000-0x0000000004AD8000-memory.dmp

memory/2136-19-0x0000000074980000-0x0000000075130000-memory.dmp

memory/2136-47-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/2136-45-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/2136-43-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/2136-41-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/2136-39-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/2136-37-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/2136-35-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/2136-33-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/2136-31-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/2136-29-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/2136-27-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/2136-25-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/2136-48-0x0000000074980000-0x0000000075130000-memory.dmp

memory/2136-23-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/2136-21-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/2136-20-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/2136-49-0x000000007498E000-0x000000007498F000-memory.dmp

memory/2136-50-0x0000000074980000-0x0000000075130000-memory.dmp

memory/2136-52-0x0000000074980000-0x0000000075130000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2039371.exe

MD5 ac496b3f60c042db87072375b9e3fac2
SHA1 97a125ebacbf02758f97692a045ad1e03d3a0195
SHA256 b1495aac5db9666132980bfc9ec9e1c283381377b61651c3974bc92694bc6722
SHA512 6de416d4542760524fd7bd11eed297f9c60d0d45f6d304b1a0de653f209fab4cc8d3f111b283e9e6dd0e240223d9d8fb611bde899aec07088b6eccbaca7b2094

memory/964-56-0x0000000000700000-0x0000000000730000-memory.dmp

memory/964-57-0x0000000002950000-0x0000000002956000-memory.dmp

memory/964-58-0x00000000057D0000-0x0000000005DE8000-memory.dmp

memory/964-59-0x00000000052C0000-0x00000000053CA000-memory.dmp

memory/964-60-0x00000000051D0000-0x00000000051E2000-memory.dmp

memory/964-61-0x0000000005230000-0x000000000526C000-memory.dmp

memory/964-62-0x0000000005270000-0x00000000052BC000-memory.dmp