Malware Analysis Report

2025-01-23 07:45

Sample ID 241107-jx87kaygjj
Target 44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999
SHA256 44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999
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

44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999

Threat Level: Known bad

The file 44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999 was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Redline family

RedLine payload

Healer

Healer family

Modifies Windows Defender Real-time Protection settings

Detects Healer an antivirus disabler dropper

RedLine

Windows security modification

Executes dropped EXE

Adds Run key to start application

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 08:04

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 08:04

Reported

2024-11-07 08:06

Platform

win10v2004-20241007-en

Max time kernel

126s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999.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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dFX60Rq.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dFX60Rq.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ewk81nU.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\ewk81nU.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\ewk81nU.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dFX60Rq.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dFX60Rq.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\ewk81nU.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\ewk81nU.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\ewk81nU.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dFX60Rq.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dFX60Rq.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\ewk81nU.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ewk81nU.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dFX60Rq.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\44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999.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\nqC51Gn17.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\44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqC51Gn17.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ewk81nU.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fSU98LD.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dFX60Rq.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ewk81nU.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2112 wrote to memory of 4312 N/A C:\Users\Admin\AppData\Local\Temp\44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqC51Gn17.exe
PID 2112 wrote to memory of 4312 N/A C:\Users\Admin\AppData\Local\Temp\44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqC51Gn17.exe
PID 2112 wrote to memory of 4312 N/A C:\Users\Admin\AppData\Local\Temp\44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqC51Gn17.exe
PID 4312 wrote to memory of 3236 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqC51Gn17.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dFX60Rq.exe
PID 4312 wrote to memory of 3236 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqC51Gn17.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dFX60Rq.exe
PID 4312 wrote to memory of 4812 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqC51Gn17.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ewk81nU.exe
PID 4312 wrote to memory of 4812 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqC51Gn17.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ewk81nU.exe
PID 4312 wrote to memory of 4812 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqC51Gn17.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ewk81nU.exe
PID 2112 wrote to memory of 1588 N/A C:\Users\Admin\AppData\Local\Temp\44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fSU98LD.exe
PID 2112 wrote to memory of 1588 N/A C:\Users\Admin\AppData\Local\Temp\44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fSU98LD.exe
PID 2112 wrote to memory of 1588 N/A C:\Users\Admin\AppData\Local\Temp\44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fSU98LD.exe

Processes

C:\Users\Admin\AppData\Local\Temp\44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999.exe

"C:\Users\Admin\AppData\Local\Temp\44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqC51Gn17.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqC51Gn17.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dFX60Rq.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dFX60Rq.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ewk81nU.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ewk81nU.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4812 -ip 4812

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4812 -s 1112

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fSU98LD.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fSU98LD.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 28.118.140.52.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
RU 193.233.20.13:4136 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqC51Gn17.exe

MD5 0aa9d6ad82f7c5a0133ef6937ba9e04c
SHA1 e25d54f3dc622bee22fac4c2bf3e2b38ec9675d4
SHA256 a5c3697a67dbfd36e8fa12589ce822fe3ce152325cc481e3adaa6fb8082e6a92
SHA512 a1b6b18ac0a3568c74d495e0dfd8b384f440a04ae8ea1108a144c1407d2d8a3056e5e93ca65c3b8f449f6340fbe031f0357dfe68f5422a32fd35de063d160bab

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dFX60Rq.exe

MD5 7e93bacbbc33e6652e147e7fe07572a0
SHA1 421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256 850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512 250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

memory/3236-14-0x00007FFF96073000-0x00007FFF96075000-memory.dmp

memory/3236-15-0x0000000000FB0000-0x0000000000FBA000-memory.dmp

memory/3236-16-0x00007FFF96073000-0x00007FFF96075000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ewk81nU.exe

MD5 e1c40efa8fa9e97504421e6fc9a8a0f5
SHA1 0259f2774737103d727f828caececf7b77623bd3
SHA256 3b82f13ce9d367f687a2f1646273697c31741a52e0bd4784107afe3a938ce698
SHA512 12cee7a790a19f70d1c75885098594840bf4dbef7da1a024f938363064db5ad498e030587f72d3e9e783a40695dd16a04777adee7ea9f3988fb2b50fa14694ec

memory/4812-22-0x00000000026D0000-0x00000000026EA000-memory.dmp

memory/4812-23-0x0000000004E80000-0x0000000005424000-memory.dmp

memory/4812-24-0x0000000002730000-0x0000000002748000-memory.dmp

memory/4812-25-0x0000000002730000-0x0000000002742000-memory.dmp

memory/4812-32-0x0000000002730000-0x0000000002742000-memory.dmp

memory/4812-52-0x0000000002730000-0x0000000002742000-memory.dmp

memory/4812-50-0x0000000002730000-0x0000000002742000-memory.dmp

memory/4812-48-0x0000000002730000-0x0000000002742000-memory.dmp

memory/4812-46-0x0000000002730000-0x0000000002742000-memory.dmp

memory/4812-44-0x0000000002730000-0x0000000002742000-memory.dmp

memory/4812-42-0x0000000002730000-0x0000000002742000-memory.dmp

memory/4812-40-0x0000000002730000-0x0000000002742000-memory.dmp

memory/4812-38-0x0000000002730000-0x0000000002742000-memory.dmp

memory/4812-36-0x0000000002730000-0x0000000002742000-memory.dmp

memory/4812-34-0x0000000002730000-0x0000000002742000-memory.dmp

memory/4812-30-0x0000000002730000-0x0000000002742000-memory.dmp

memory/4812-28-0x0000000002730000-0x0000000002742000-memory.dmp

memory/4812-26-0x0000000002730000-0x0000000002742000-memory.dmp

memory/4812-53-0x0000000000400000-0x00000000007BD000-memory.dmp

memory/4812-55-0x0000000000400000-0x00000000007BD000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fSU98LD.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/1588-59-0x0000000000A50000-0x0000000000A82000-memory.dmp

memory/1588-60-0x00000000059D0000-0x0000000005FE8000-memory.dmp

memory/1588-61-0x0000000005530000-0x000000000563A000-memory.dmp

memory/1588-62-0x0000000005460000-0x0000000005472000-memory.dmp

memory/1588-63-0x00000000054C0000-0x00000000054FC000-memory.dmp

memory/1588-64-0x0000000005640000-0x000000000568C000-memory.dmp