Malware Analysis Report

2025-04-03 14:18

Sample ID 241109-1nlhkstaja
Target 45ec49557d84ba861e50f20bf965b64e1fb8c845bb20eb382732a5a6ec8104b3
SHA256 45ec49557d84ba861e50f20bf965b64e1fb8c845bb20eb382732a5a6ec8104b3
Tags
healer redline 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

45ec49557d84ba861e50f20bf965b64e1fb8c845bb20eb382732a5a6ec8104b3

Threat Level: Known bad

The file 45ec49557d84ba861e50f20bf965b64e1fb8c845bb20eb382732a5a6ec8104b3 was found to be: Known bad.

Malicious Activity Summary

healer redline discovery dropper evasion infostealer persistence trojan

Detects Healer an antivirus disabler dropper

Modifies Windows Defender Real-time Protection settings

Healer

RedLine

RedLine payload

Redline family

Healer family

Windows security modification

Executes dropped EXE

Adds Run key to start application

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 21:47

Signatures

Unsigned PE

Description Indicator Process Target
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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\45ec49557d84ba861e50f20bf965b64e1fb8c845bb20eb382732a5a6ec8104b3.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\IXP000.TMP\52550441.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\IXP000.TMP\52550441.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\IXP000.TMP\52550441.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\52550441.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\IXP000.TMP\52550441.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\IXP000.TMP\52550441.exe N/A

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
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Redline family

redline

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\52550441.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\rk430340.exe N/A

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\IXP000.TMP\52550441.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\52550441.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\45ec49557d84ba861e50f20bf965b64e1fb8c845bb20eb382732a5a6ec8104b3.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\52550441.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\rk430340.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\45ec49557d84ba861e50f20bf965b64e1fb8c845bb20eb382732a5a6ec8104b3.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\52550441.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\52550441.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\52550441.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\rk430340.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\45ec49557d84ba861e50f20bf965b64e1fb8c845bb20eb382732a5a6ec8104b3.exe

"C:\Users\Admin\AppData\Local\Temp\45ec49557d84ba861e50f20bf965b64e1fb8c845bb20eb382732a5a6ec8104b3.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\52550441.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\52550441.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2076 -ip 2076

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 1080

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\rk430340.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\rk430340.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 68.208.201.84.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
US 8.8.8.8:53 98.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
RU 185.161.248.143:38452 tcp
RU 185.161.248.143:38452 tcp
RU 185.161.248.143:38452 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\52550441.exe

MD5 63bd15815c608e58c77a4124d95d14e0
SHA1 58c177c964dabca73b8b015c6600097a17074cf1
SHA256 78f86cc69e40f6fb6c96e5cdb4c360d73d90d6db4d4c2ae98f4a970788e13ca2
SHA512 df7d96dfc2f97f7b17314ae0d72ad157669b5a9a86cea97ecaac2efe2de34f9db1c3c5e6616ce9de8bf12c8e005d011353002e907ae04369400545f8b2a08e33

memory/2076-8-0x0000000000A10000-0x0000000000B10000-memory.dmp

memory/2076-9-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2076-10-0x0000000000400000-0x0000000000803000-memory.dmp

memory/2076-11-0x00000000024B0000-0x00000000024CA000-memory.dmp

memory/2076-12-0x0000000005140000-0x00000000056E4000-memory.dmp

memory/2076-13-0x0000000002640000-0x0000000002658000-memory.dmp

memory/2076-15-0x0000000002640000-0x0000000002652000-memory.dmp

memory/2076-41-0x0000000002640000-0x0000000002652000-memory.dmp

memory/2076-39-0x0000000002640000-0x0000000002652000-memory.dmp

memory/2076-37-0x0000000002640000-0x0000000002652000-memory.dmp

memory/2076-35-0x0000000002640000-0x0000000002652000-memory.dmp

memory/2076-33-0x0000000002640000-0x0000000002652000-memory.dmp

memory/2076-31-0x0000000002640000-0x0000000002652000-memory.dmp

memory/2076-29-0x0000000002640000-0x0000000002652000-memory.dmp

memory/2076-27-0x0000000002640000-0x0000000002652000-memory.dmp

memory/2076-25-0x0000000002640000-0x0000000002652000-memory.dmp

memory/2076-23-0x0000000002640000-0x0000000002652000-memory.dmp

memory/2076-21-0x0000000002640000-0x0000000002652000-memory.dmp

memory/2076-19-0x0000000002640000-0x0000000002652000-memory.dmp

memory/2076-17-0x0000000002640000-0x0000000002652000-memory.dmp

memory/2076-14-0x0000000002640000-0x0000000002652000-memory.dmp

memory/2076-42-0x0000000000A10000-0x0000000000B10000-memory.dmp

memory/2076-43-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2076-46-0x0000000000400000-0x0000000000803000-memory.dmp

memory/2076-47-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\rk430340.exe

MD5 492120920c1743282cf243c68ad591fe
SHA1 ca0cf22c326f364f380f226e70c2b82c9e5ff3fa
SHA256 27a02d3671e2519f23e55dd38c568080d098fb7eefb252ebe55c53510d861e3f
SHA512 c9f07d3ecf5e194794584e48e39b5b29d5fa4adae3edd8b7faa852c84c44cd5706db4893b7e1d99223d43e0661a643e9be21ce38ccd0cca45dc41844c71908fa

memory/336-52-0x0000000000400000-0x0000000000817000-memory.dmp

memory/336-54-0x0000000000400000-0x0000000000817000-memory.dmp

memory/336-55-0x0000000004E20000-0x0000000004E5A000-memory.dmp

memory/336-87-0x0000000004E20000-0x0000000004E55000-memory.dmp

memory/336-81-0x0000000004E20000-0x0000000004E55000-memory.dmp

memory/336-89-0x0000000004E20000-0x0000000004E55000-memory.dmp

memory/336-85-0x0000000004E20000-0x0000000004E55000-memory.dmp

memory/336-84-0x0000000004E20000-0x0000000004E55000-memory.dmp

memory/336-79-0x0000000004E20000-0x0000000004E55000-memory.dmp

memory/336-77-0x0000000004E20000-0x0000000004E55000-memory.dmp

memory/336-75-0x0000000004E20000-0x0000000004E55000-memory.dmp

memory/336-71-0x0000000004E20000-0x0000000004E55000-memory.dmp

memory/336-69-0x0000000004E20000-0x0000000004E55000-memory.dmp

memory/336-67-0x0000000004E20000-0x0000000004E55000-memory.dmp

memory/336-63-0x0000000004E20000-0x0000000004E55000-memory.dmp

memory/336-61-0x0000000004E20000-0x0000000004E55000-memory.dmp

memory/336-57-0x0000000004E20000-0x0000000004E55000-memory.dmp

memory/336-56-0x0000000004E20000-0x0000000004E55000-memory.dmp

memory/336-73-0x0000000004E20000-0x0000000004E55000-memory.dmp

memory/336-65-0x0000000004E20000-0x0000000004E55000-memory.dmp

memory/336-59-0x0000000004E20000-0x0000000004E55000-memory.dmp

memory/336-53-0x00000000029F0000-0x0000000002A2C000-memory.dmp

memory/336-848-0x0000000007940000-0x0000000007F58000-memory.dmp

memory/336-849-0x0000000007FA0000-0x0000000007FB2000-memory.dmp

memory/336-850-0x0000000007FC0000-0x00000000080CA000-memory.dmp

memory/336-851-0x00000000080E0000-0x000000000811C000-memory.dmp

memory/336-852-0x0000000002840000-0x000000000288C000-memory.dmp