Malware Analysis Report

2025-08-06 00:59

Sample ID 241109-frb34a1ldr
Target 858cf9d644850d120f8401fa1537e755ff91651d443844ae86d20a89c3ecf30d
SHA256 858cf9d644850d120f8401fa1537e755ff91651d443844ae86d20a89c3ecf30d
Tags
healer redline dumud 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

858cf9d644850d120f8401fa1537e755ff91651d443844ae86d20a89c3ecf30d

Threat Level: Known bad

The file 858cf9d644850d120f8401fa1537e755ff91651d443844ae86d20a89c3ecf30d was found to be: Known bad.

Malicious Activity Summary

healer redline dumud discovery dropper evasion infostealer persistence trojan

Healer

RedLine payload

Modifies Windows Defender Real-time Protection settings

Healer family

RedLine

Redline family

Detects Healer an antivirus disabler dropper

Windows security modification

Executes dropped EXE

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 05:05

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 05:05

Reported

2024-11-09 05:08

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\858cf9d644850d120f8401fa1537e755ff91651d443844ae86d20a89c3ecf30d.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\k1187902.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\k1187902.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\k1187902.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\k1187902.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\k1187902.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\k1187902.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\k1187902.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1187902.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\858cf9d644850d120f8401fa1537e755ff91651d443844ae86d20a89c3ecf30d.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\y0659954.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\858cf9d644850d120f8401fa1537e755ff91651d443844ae86d20a89c3ecf30d.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0659954.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1187902.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0394628.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1187902.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1187902.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1187902.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4524 wrote to memory of 5020 N/A C:\Users\Admin\AppData\Local\Temp\858cf9d644850d120f8401fa1537e755ff91651d443844ae86d20a89c3ecf30d.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0659954.exe
PID 4524 wrote to memory of 5020 N/A C:\Users\Admin\AppData\Local\Temp\858cf9d644850d120f8401fa1537e755ff91651d443844ae86d20a89c3ecf30d.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0659954.exe
PID 4524 wrote to memory of 5020 N/A C:\Users\Admin\AppData\Local\Temp\858cf9d644850d120f8401fa1537e755ff91651d443844ae86d20a89c3ecf30d.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0659954.exe
PID 5020 wrote to memory of 1048 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0659954.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1187902.exe
PID 5020 wrote to memory of 1048 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0659954.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1187902.exe
PID 5020 wrote to memory of 1048 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0659954.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1187902.exe
PID 5020 wrote to memory of 1824 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0659954.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0394628.exe
PID 5020 wrote to memory of 1824 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0659954.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0394628.exe
PID 5020 wrote to memory of 1824 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0659954.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0394628.exe

Processes

C:\Users\Admin\AppData\Local\Temp\858cf9d644850d120f8401fa1537e755ff91651d443844ae86d20a89c3ecf30d.exe

"C:\Users\Admin\AppData\Local\Temp\858cf9d644850d120f8401fa1537e755ff91651d443844ae86d20a89c3ecf30d.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0659954.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0659954.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1187902.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1187902.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0394628.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0394628.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 95.221.229.192.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 99.208.201.84.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
CY 217.196.96.101:4132 tcp
CY 217.196.96.101:4132 tcp
CY 217.196.96.101:4132 tcp
CY 217.196.96.101:4132 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0659954.exe

MD5 7a7182c03f3f1b0a955695e3a84e6251
SHA1 2657ff8c1d163e6ac99737b11e1f7a3053343b83
SHA256 c672aaadc4be34ad3fc0c8108b0b7e32704442f1cf519c8ee1a640ff84abf00f
SHA512 e51f7330ee6abab1dd41b4bf038b76669ff386a7e9a4ff14856e47d6a0c6514b2c15a8e7bccc8361ea139aed5be69c8afa0a7b72c8a6e84b1b2cf38747b9d3cf

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1187902.exe

MD5 4e9b8d7fadfd6ea203db9e6c079bb2fc
SHA1 d9309e9c3e362f3336aefc6a195776965a8350e2
SHA256 0fe2f972319c98e4b7023232b7cb061f5210371f213cfb83d98df943ccf22dfb
SHA512 cec32314c245369d5fda470b9f3db80c88856ac8901c62917b450964a5920d10e245292e27da1fc7bfb41b3c1d6af54fded3ceef8463d85ec3cc062f20e716a9

memory/1048-14-0x000000007421E000-0x000000007421F000-memory.dmp

memory/1048-15-0x0000000002500000-0x000000000251A000-memory.dmp

memory/1048-16-0x0000000074210000-0x00000000749C0000-memory.dmp

memory/1048-17-0x0000000004C40000-0x00000000051E4000-memory.dmp

memory/1048-19-0x0000000004AC0000-0x0000000004AD8000-memory.dmp

memory/1048-20-0x0000000074210000-0x00000000749C0000-memory.dmp

memory/1048-18-0x0000000074210000-0x00000000749C0000-memory.dmp

memory/1048-38-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/1048-48-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/1048-46-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/1048-44-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/1048-42-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/1048-40-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/1048-36-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/1048-34-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/1048-32-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/1048-30-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/1048-28-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/1048-26-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/1048-24-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/1048-22-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/1048-21-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

memory/1048-49-0x000000007421E000-0x000000007421F000-memory.dmp

memory/1048-50-0x0000000074210000-0x00000000749C0000-memory.dmp

memory/1048-52-0x0000000074210000-0x00000000749C0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0394628.exe

MD5 965a28e49f0056c18645e6cefc5cd4e4
SHA1 76eb475df9e058d72891cdede4bf3a6c6042cad1
SHA256 42b9226e51b3de481b5014e8cfd517b1a4858af60e6c977fcd064d3c994b57f8
SHA512 f213455906ee1b8108c57b8b03948858ab8d12d900f41af417e0748bf860450d74f2e4513d89f11d43cd0f6579fc31ca54c014783b1dd66fa449e7b689f46f50

memory/1824-56-0x0000000000B60000-0x0000000000B90000-memory.dmp

memory/1824-57-0x0000000005340000-0x0000000005346000-memory.dmp

memory/1824-58-0x000000000AE80000-0x000000000B498000-memory.dmp

memory/1824-59-0x000000000A9D0000-0x000000000AADA000-memory.dmp

memory/1824-60-0x000000000A900000-0x000000000A912000-memory.dmp

memory/1824-61-0x000000000A960000-0x000000000A99C000-memory.dmp

memory/1824-62-0x0000000002E10000-0x0000000002E5C000-memory.dmp