Malware Analysis Report

2025-01-23 07:45

Sample ID 241107-efjhcsxmaj
Target 5ae9cf456f352afc3d7f513bbe478ad281a37ea7a55a7b92dde41dd519e1c1fc
SHA256 5ae9cf456f352afc3d7f513bbe478ad281a37ea7a55a7b92dde41dd519e1c1fc
Tags
healer redline fukia 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

5ae9cf456f352afc3d7f513bbe478ad281a37ea7a55a7b92dde41dd519e1c1fc

Threat Level: Known bad

The file 5ae9cf456f352afc3d7f513bbe478ad281a37ea7a55a7b92dde41dd519e1c1fc was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Healer

Healer family

Detects Healer an antivirus disabler dropper

Redline family

RedLine payload

RedLine

Modifies Windows Defender Real-time Protection settings

Windows security modification

Executes dropped EXE

Adds Run key to start application

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 03:52

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 03:52

Reported

2024-11-07 03:55

Platform

win10v2004-20241007-en

Max time kernel

144s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5ae9cf456f352afc3d7f513bbe478ad281a37ea7a55a7b92dde41dd519e1c1fc.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\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVh48sL.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\bVh48sL.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\bVh48sL.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVh48sL.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\bVh48sL.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\bVh48sL.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\bVh48sL.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVh48sL.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\5ae9cf456f352afc3d7f513bbe478ad281a37ea7a55a7b92dde41dd519e1c1fc.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\nRj51XT.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\IXP001.TMP\dfA09YD.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\5ae9cf456f352afc3d7f513bbe478ad281a37ea7a55a7b92dde41dd519e1c1fc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRj51XT.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVh48sL.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVh48sL.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVh48sL.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVh48sL.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2400 wrote to memory of 3904 N/A C:\Users\Admin\AppData\Local\Temp\5ae9cf456f352afc3d7f513bbe478ad281a37ea7a55a7b92dde41dd519e1c1fc.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRj51XT.exe
PID 2400 wrote to memory of 3904 N/A C:\Users\Admin\AppData\Local\Temp\5ae9cf456f352afc3d7f513bbe478ad281a37ea7a55a7b92dde41dd519e1c1fc.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRj51XT.exe
PID 2400 wrote to memory of 3904 N/A C:\Users\Admin\AppData\Local\Temp\5ae9cf456f352afc3d7f513bbe478ad281a37ea7a55a7b92dde41dd519e1c1fc.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRj51XT.exe
PID 3904 wrote to memory of 4896 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRj51XT.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVh48sL.exe
PID 3904 wrote to memory of 4896 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRj51XT.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVh48sL.exe
PID 3904 wrote to memory of 4896 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRj51XT.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVh48sL.exe
PID 3904 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRj51XT.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dfA09YD.exe
PID 3904 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRj51XT.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dfA09YD.exe
PID 3904 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRj51XT.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dfA09YD.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5ae9cf456f352afc3d7f513bbe478ad281a37ea7a55a7b92dde41dd519e1c1fc.exe

"C:\Users\Admin\AppData\Local\Temp\5ae9cf456f352afc3d7f513bbe478ad281a37ea7a55a7b92dde41dd519e1c1fc.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRj51XT.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRj51XT.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVh48sL.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVh48sL.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4896 -ip 4896

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4896 -s 1080

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dfA09YD.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dfA09YD.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRj51XT.exe

MD5 856a9918fce785a8eee0ed0ee6922bd6
SHA1 509aef6eba5d132ffcb70eac54b4cbdc4786373f
SHA256 21ca30f6ee707018d63eee4c29f9d54eb1210a90eba06bdb56d7d78e777cf952
SHA512 a5ae1ec3d85bb598d510273ae6949ab245f738ab7f0ba3b53d8917ee51d98f8de574aee5304f469e373f47fa3ca8f34f4ce735efb750ad8085bfcb098b181784

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVh48sL.exe

MD5 a9a22f8215115be43a5275d88542da90
SHA1 549ceb476d6f91119321681d84abdac93eb35125
SHA256 af670681bdd2d782169d3baa2e36837d315cd40d1802e56d65553f5bd1aa640c
SHA512 6aca26659331e03fe9579793bbdf25df7bdb48e89d8b855d79580d7e58da43c63f34492ba196b51d4316f03cfcd121a9df97d973ee7e2d255f7fa150e7f0bdc9

memory/4896-15-0x00000000005E0000-0x00000000006E0000-memory.dmp

memory/4896-16-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4896-17-0x0000000000400000-0x000000000056F000-memory.dmp

memory/4896-18-0x0000000000400000-0x000000000056F000-memory.dmp

memory/4896-19-0x00000000021F0000-0x000000000220A000-memory.dmp

memory/4896-20-0x0000000004C50000-0x00000000051F4000-memory.dmp

memory/4896-21-0x0000000004B10000-0x0000000004B28000-memory.dmp

memory/4896-23-0x0000000004B10000-0x0000000004B22000-memory.dmp

memory/4896-22-0x0000000004B10000-0x0000000004B22000-memory.dmp

memory/4896-47-0x0000000004B10000-0x0000000004B22000-memory.dmp

memory/4896-43-0x0000000004B10000-0x0000000004B22000-memory.dmp

memory/4896-41-0x0000000004B10000-0x0000000004B22000-memory.dmp

memory/4896-49-0x0000000004B10000-0x0000000004B22000-memory.dmp

memory/4896-40-0x0000000004B10000-0x0000000004B22000-memory.dmp

memory/4896-37-0x0000000004B10000-0x0000000004B22000-memory.dmp

memory/4896-35-0x0000000004B10000-0x0000000004B22000-memory.dmp

memory/4896-33-0x0000000004B10000-0x0000000004B22000-memory.dmp

memory/4896-31-0x0000000004B10000-0x0000000004B22000-memory.dmp

memory/4896-27-0x0000000004B10000-0x0000000004B22000-memory.dmp

memory/4896-25-0x0000000004B10000-0x0000000004B22000-memory.dmp

memory/4896-45-0x0000000004B10000-0x0000000004B22000-memory.dmp

memory/4896-29-0x0000000004B10000-0x0000000004B22000-memory.dmp

memory/4896-50-0x00000000005E0000-0x00000000006E0000-memory.dmp

memory/4896-51-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4896-56-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4896-55-0x0000000000400000-0x000000000056F000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dfA09YD.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/2588-60-0x0000000000280000-0x00000000002B2000-memory.dmp

memory/2588-61-0x00000000050C0000-0x00000000056D8000-memory.dmp

memory/2588-62-0x0000000004C20000-0x0000000004D2A000-memory.dmp

memory/2588-63-0x0000000004B70000-0x0000000004B82000-memory.dmp

memory/2588-64-0x0000000004BD0000-0x0000000004C0C000-memory.dmp

memory/2588-65-0x0000000004D30000-0x0000000004D7C000-memory.dmp