Malware Analysis Report

2025-08-06 00:59

Sample ID 241109-fr688s1lfk
Target 62ac37bea8be7f768ebdaea78a3575a3c88133e31854e8dd8ccfd719f3e0e7f1
SHA256 62ac37bea8be7f768ebdaea78a3575a3c88133e31854e8dd8ccfd719f3e0e7f1
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

62ac37bea8be7f768ebdaea78a3575a3c88133e31854e8dd8ccfd719f3e0e7f1

Threat Level: Known bad

The file 62ac37bea8be7f768ebdaea78a3575a3c88133e31854e8dd8ccfd719f3e0e7f1 was found to be: Known bad.

Malicious Activity Summary

healer redline rosto discovery dropper evasion infostealer persistence trojan

Healer

RedLine

Healer family

Redline family

Modifies Windows Defender Real-time Protection settings

RedLine payload

Detects Healer an antivirus disabler dropper

Executes dropped EXE

Windows security modification

Adds Run key to start application

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 05:07

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 05:07

Reported

2024-11-09 05:09

Platform

win10v2004-20241007-en

Max time kernel

146s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\62ac37bea8be7f768ebdaea78a3575a3c88133e31854e8dd8ccfd719f3e0e7f1.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\ursx89cf56.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\ursx89cf56.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\ursx89cf56.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\ursx89cf56.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\ursx89cf56.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursx89cf56.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\ursx89cf56.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursx89cf56.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\62ac37bea8be7f768ebdaea78a3575a3c88133e31854e8dd8ccfd719f3e0e7f1.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\yctD80Kq28.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\62ac37bea8be7f768ebdaea78a3575a3c88133e31854e8dd8ccfd719f3e0e7f1.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yctD80Kq28.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursx89cf56.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrcT53AU03.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursx89cf56.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursx89cf56.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursx89cf56.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrcT53AU03.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3860 wrote to memory of 3604 N/A C:\Users\Admin\AppData\Local\Temp\62ac37bea8be7f768ebdaea78a3575a3c88133e31854e8dd8ccfd719f3e0e7f1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yctD80Kq28.exe
PID 3860 wrote to memory of 3604 N/A C:\Users\Admin\AppData\Local\Temp\62ac37bea8be7f768ebdaea78a3575a3c88133e31854e8dd8ccfd719f3e0e7f1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yctD80Kq28.exe
PID 3860 wrote to memory of 3604 N/A C:\Users\Admin\AppData\Local\Temp\62ac37bea8be7f768ebdaea78a3575a3c88133e31854e8dd8ccfd719f3e0e7f1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yctD80Kq28.exe
PID 3604 wrote to memory of 3780 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yctD80Kq28.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursx89cf56.exe
PID 3604 wrote to memory of 3780 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yctD80Kq28.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursx89cf56.exe
PID 3604 wrote to memory of 3780 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yctD80Kq28.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursx89cf56.exe
PID 3604 wrote to memory of 4520 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yctD80Kq28.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrcT53AU03.exe
PID 3604 wrote to memory of 4520 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yctD80Kq28.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrcT53AU03.exe
PID 3604 wrote to memory of 4520 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yctD80Kq28.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrcT53AU03.exe

Processes

C:\Users\Admin\AppData\Local\Temp\62ac37bea8be7f768ebdaea78a3575a3c88133e31854e8dd8ccfd719f3e0e7f1.exe

"C:\Users\Admin\AppData\Local\Temp\62ac37bea8be7f768ebdaea78a3575a3c88133e31854e8dd8ccfd719f3e0e7f1.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yctD80Kq28.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yctD80Kq28.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursx89cf56.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursx89cf56.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3780 -ip 3780

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 1080

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrcT53AU03.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrcT53AU03.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 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 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 67.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.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
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 23.236.111.52.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

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yctD80Kq28.exe

MD5 9bd6fdc36d00a0da3bdd1391b090ead9
SHA1 d142f7dbf017159a67023d862ab6d0afa74b5034
SHA256 f92f46e9d31cc7b5425a7166f440cb7d1c91497b5c18c75e596251065f13edc2
SHA512 e4caa27a5d1aef8bba5f626ba1e33c6fcecad6c46b1d6d6fead847df9c870cf2bab1945d5b6f4ec9997e54979369731e088682148c6d406efec51c6536f3b0a4

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursx89cf56.exe

MD5 654d38a192aa90f8f2d4c64647ed64d1
SHA1 366c844b2fc2b4c0b0191754d4a1470e1763ccb4
SHA256 93f2d867562d5187beac7b8d7a55a8f435b7bbab77152b0c7bb3f8c22c2d23a2
SHA512 9ce88068e0e4cfac55467fbccc2621bbe431353bf4faf6a0957a6ae38f083023fbd130abb423e35f344e4d3952aed8470eba47c3ab71ff7ec61ff5a79aa80303

memory/3780-15-0x0000000000770000-0x0000000000870000-memory.dmp

memory/3780-17-0x0000000000400000-0x000000000057E000-memory.dmp

memory/3780-16-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3780-18-0x0000000000400000-0x000000000057E000-memory.dmp

memory/3780-19-0x00000000021D0000-0x00000000021EA000-memory.dmp

memory/3780-20-0x0000000004D60000-0x0000000005304000-memory.dmp

memory/3780-21-0x00000000025C0000-0x00000000025D8000-memory.dmp

memory/3780-31-0x00000000025C0000-0x00000000025D2000-memory.dmp

memory/3780-29-0x00000000025C0000-0x00000000025D2000-memory.dmp

memory/3780-22-0x00000000025C0000-0x00000000025D2000-memory.dmp

memory/3780-27-0x00000000025C0000-0x00000000025D2000-memory.dmp

memory/3780-49-0x00000000025C0000-0x00000000025D2000-memory.dmp

memory/3780-47-0x00000000025C0000-0x00000000025D2000-memory.dmp

memory/3780-45-0x00000000025C0000-0x00000000025D2000-memory.dmp

memory/3780-43-0x00000000025C0000-0x00000000025D2000-memory.dmp

memory/3780-41-0x00000000025C0000-0x00000000025D2000-memory.dmp

memory/3780-39-0x00000000025C0000-0x00000000025D2000-memory.dmp

memory/3780-37-0x00000000025C0000-0x00000000025D2000-memory.dmp

memory/3780-35-0x00000000025C0000-0x00000000025D2000-memory.dmp

memory/3780-33-0x00000000025C0000-0x00000000025D2000-memory.dmp

memory/3780-25-0x00000000025C0000-0x00000000025D2000-memory.dmp

memory/3780-23-0x00000000025C0000-0x00000000025D2000-memory.dmp

memory/3780-50-0x0000000000770000-0x0000000000870000-memory.dmp

memory/3780-51-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3780-54-0x0000000000400000-0x000000000057E000-memory.dmp

memory/3780-55-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrcT53AU03.exe

MD5 1c795044102f7759152f7661b15c22bf
SHA1 66e3fee6ce5c4fd8974bb493b8ea7f63f0de4224
SHA256 8f76de3f10a19e704eaaa544d8b0aea616b3b55e5e9d4f91afed3db0c60714a4
SHA512 8c6313c1b71200f905a41b131ebb5a54f4057dd14fe062565674b4d86ebdb8ca2faf8655c970bb3ba279d34ea761c0d71d81c94f3fc9cec7dd2c49737b7653a1

memory/4520-60-0x0000000002450000-0x0000000002496000-memory.dmp

memory/4520-61-0x0000000004B80000-0x0000000004BC4000-memory.dmp

memory/4520-73-0x0000000004B80000-0x0000000004BBE000-memory.dmp

memory/4520-75-0x0000000004B80000-0x0000000004BBE000-memory.dmp

memory/4520-71-0x0000000004B80000-0x0000000004BBE000-memory.dmp

memory/4520-69-0x0000000004B80000-0x0000000004BBE000-memory.dmp

memory/4520-67-0x0000000004B80000-0x0000000004BBE000-memory.dmp

memory/4520-65-0x0000000004B80000-0x0000000004BBE000-memory.dmp

memory/4520-63-0x0000000004B80000-0x0000000004BBE000-memory.dmp

memory/4520-62-0x0000000004B80000-0x0000000004BBE000-memory.dmp

memory/4520-95-0x0000000004B80000-0x0000000004BBE000-memory.dmp

memory/4520-93-0x0000000004B80000-0x0000000004BBE000-memory.dmp

memory/4520-91-0x0000000004B80000-0x0000000004BBE000-memory.dmp

memory/4520-89-0x0000000004B80000-0x0000000004BBE000-memory.dmp

memory/4520-87-0x0000000004B80000-0x0000000004BBE000-memory.dmp

memory/4520-85-0x0000000004B80000-0x0000000004BBE000-memory.dmp

memory/4520-83-0x0000000004B80000-0x0000000004BBE000-memory.dmp

memory/4520-81-0x0000000004B80000-0x0000000004BBE000-memory.dmp

memory/4520-79-0x0000000004B80000-0x0000000004BBE000-memory.dmp

memory/4520-77-0x0000000004B80000-0x0000000004BBE000-memory.dmp

memory/4520-968-0x00000000052E0000-0x00000000058F8000-memory.dmp

memory/4520-969-0x0000000005900000-0x0000000005A0A000-memory.dmp

memory/4520-970-0x0000000004CB0000-0x0000000004CC2000-memory.dmp

memory/4520-971-0x0000000004CD0000-0x0000000004D0C000-memory.dmp

memory/4520-972-0x0000000005B10000-0x0000000005B5C000-memory.dmp