Malware Analysis Report

2025-01-23 07:42

Sample ID 241108-rcnzwsspcy
Target e895a41a1164858f7e0954ef5b45e228740c0dcfad9b0988be654eee7aa835c2
SHA256 e895a41a1164858f7e0954ef5b45e228740c0dcfad9b0988be654eee7aa835c2
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

e895a41a1164858f7e0954ef5b45e228740c0dcfad9b0988be654eee7aa835c2

Threat Level: Known bad

The file e895a41a1164858f7e0954ef5b45e228740c0dcfad9b0988be654eee7aa835c2 was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Modifies Windows Defender Real-time Protection settings

RedLine

RedLine payload

Redline family

Detects Healer an antivirus disabler dropper

Healer family

Healer

Windows security modification

Executes dropped EXE

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-08 14:03

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-08 14:03

Reported

2024-11-08 14:05

Platform

win10v2004-20241007-en

Max time kernel

142s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e895a41a1164858f7e0954ef5b45e228740c0dcfad9b0988be654eee7aa835c2.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\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVn93kC.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\bVn93kC.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVn93kC.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\bVn93kC.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\bVn93kC.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\bVn93kC.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\bVn93kC.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVn93kC.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\e895a41a1164858f7e0954ef5b45e228740c0dcfad9b0988be654eee7aa835c2.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\ngp77jj.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\e895a41a1164858f7e0954ef5b45e228740c0dcfad9b0988be654eee7aa835c2.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ngp77jj.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVn93kC.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dnh61rN.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVn93kC.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVn93kC.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVn93kC.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1496 wrote to memory of 1688 N/A C:\Users\Admin\AppData\Local\Temp\e895a41a1164858f7e0954ef5b45e228740c0dcfad9b0988be654eee7aa835c2.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ngp77jj.exe
PID 1496 wrote to memory of 1688 N/A C:\Users\Admin\AppData\Local\Temp\e895a41a1164858f7e0954ef5b45e228740c0dcfad9b0988be654eee7aa835c2.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ngp77jj.exe
PID 1496 wrote to memory of 1688 N/A C:\Users\Admin\AppData\Local\Temp\e895a41a1164858f7e0954ef5b45e228740c0dcfad9b0988be654eee7aa835c2.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ngp77jj.exe
PID 1688 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ngp77jj.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVn93kC.exe
PID 1688 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ngp77jj.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVn93kC.exe
PID 1688 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ngp77jj.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVn93kC.exe
PID 1688 wrote to memory of 3456 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ngp77jj.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dnh61rN.exe
PID 1688 wrote to memory of 3456 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ngp77jj.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dnh61rN.exe
PID 1688 wrote to memory of 3456 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ngp77jj.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dnh61rN.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e895a41a1164858f7e0954ef5b45e228740c0dcfad9b0988be654eee7aa835c2.exe

"C:\Users\Admin\AppData\Local\Temp\e895a41a1164858f7e0954ef5b45e228740c0dcfad9b0988be654eee7aa835c2.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ngp77jj.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ngp77jj.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVn93kC.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVn93kC.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1900 -ip 1900

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1900 -s 1100

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dnh61rN.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dnh61rN.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 43.229.111.52.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\ngp77jj.exe

MD5 057085711414ee62e4a6a31195295809
SHA1 9c8518ff611f776858647b888efa6b884830532b
SHA256 229f42c88cddf25539626d67048366b7f1618d9b177c4973d86baa4bd9d46508
SHA512 2c016ada00db8016bfd670b61236acb5583443521fd8432d9209500e8896b625dbd33c9647ee246d22c7d264d02d8801d4420dad0bf05e2b98cdaaba94de38c2

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVn93kC.exe

MD5 fd815ed5f97b5a0c8091f3f8d5125673
SHA1 8e062e61dc7fb58a3301741aa4c34b259e3e9b25
SHA256 7f2e56fcc1d09a924faf8e9fd38f4781aa79d6d895e8d068d093b4201a3f08e7
SHA512 e47b639e4692101ea444ee22b99d638c521ae5c5e8f27b16f9c2f335ab3a242bf0deb51f52a9e75ccb40edffa8bbaaa6cf8915ff74e10be79fbd697fe8ee96b7

memory/1900-15-0x0000000000AE0000-0x0000000000BE0000-memory.dmp

memory/1900-17-0x0000000000400000-0x0000000000754000-memory.dmp

memory/1900-16-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1900-18-0x0000000000400000-0x0000000000754000-memory.dmp

memory/1900-19-0x0000000002900000-0x000000000291A000-memory.dmp

memory/1900-20-0x0000000004E70000-0x0000000005414000-memory.dmp

memory/1900-21-0x0000000002920000-0x0000000002938000-memory.dmp

memory/1900-47-0x0000000002920000-0x0000000002932000-memory.dmp

memory/1900-49-0x0000000002920000-0x0000000002932000-memory.dmp

memory/1900-45-0x0000000002920000-0x0000000002932000-memory.dmp

memory/1900-43-0x0000000002920000-0x0000000002932000-memory.dmp

memory/1900-39-0x0000000002920000-0x0000000002932000-memory.dmp

memory/1900-37-0x0000000002920000-0x0000000002932000-memory.dmp

memory/1900-35-0x0000000002920000-0x0000000002932000-memory.dmp

memory/1900-33-0x0000000002920000-0x0000000002932000-memory.dmp

memory/1900-31-0x0000000002920000-0x0000000002932000-memory.dmp

memory/1900-30-0x0000000002920000-0x0000000002932000-memory.dmp

memory/1900-27-0x0000000002920000-0x0000000002932000-memory.dmp

memory/1900-25-0x0000000002920000-0x0000000002932000-memory.dmp

memory/1900-23-0x0000000002920000-0x0000000002932000-memory.dmp

memory/1900-22-0x0000000002920000-0x0000000002932000-memory.dmp

memory/1900-41-0x0000000002920000-0x0000000002932000-memory.dmp

memory/1900-50-0x0000000000AE0000-0x0000000000BE0000-memory.dmp

memory/1900-51-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1900-54-0x0000000000400000-0x0000000000754000-memory.dmp

memory/1900-55-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dnh61rN.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/3456-59-0x0000000000340000-0x0000000000372000-memory.dmp

memory/3456-60-0x0000000005160000-0x0000000005778000-memory.dmp

memory/3456-61-0x0000000004CE0000-0x0000000004DEA000-memory.dmp

memory/3456-62-0x0000000004C10000-0x0000000004C22000-memory.dmp

memory/3456-63-0x0000000004C90000-0x0000000004CCC000-memory.dmp

memory/3456-64-0x0000000004DF0000-0x0000000004E3C000-memory.dmp