Malware Analysis Report

2024-11-13 17:38

Sample ID 241110-b291nazkdk
Target 15f850587c7364b2ee094f055c265072512b151c1cb063f3169050b7065a31c1
SHA256 15f850587c7364b2ee094f055c265072512b151c1cb063f3169050b7065a31c1
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

15f850587c7364b2ee094f055c265072512b151c1cb063f3169050b7065a31c1

Threat Level: Known bad

The file 15f850587c7364b2ee094f055c265072512b151c1cb063f3169050b7065a31c1 was found to be: Known bad.

Malicious Activity Summary

healer redline discovery dropper evasion infostealer persistence trojan

RedLine

Healer family

Detects Healer an antivirus disabler dropper

Modifies Windows Defender Real-time Protection settings

Redline family

Healer

RedLine payload

Executes dropped EXE

Windows security modification

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 01:39

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 01:39

Reported

2024-11-10 01:42

Platform

win10v2004-20241007-en

Max time kernel

138s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\15f850587c7364b2ee094f055c265072512b151c1cb063f3169050b7065a31c1.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\a2495996.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\a2495996.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a2495996.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\a2495996.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\a2495996.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\a2495996.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\a2495996.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a2495996.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\15f850587c7364b2ee094f055c265072512b151c1cb063f3169050b7065a31c1.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\v2335925.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\15f850587c7364b2ee094f055c265072512b151c1cb063f3169050b7065a31c1.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2335925.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a2495996.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b5805366.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a2495996.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a2495996.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a2495996.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3224 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\15f850587c7364b2ee094f055c265072512b151c1cb063f3169050b7065a31c1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2335925.exe
PID 3224 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\15f850587c7364b2ee094f055c265072512b151c1cb063f3169050b7065a31c1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2335925.exe
PID 3224 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\15f850587c7364b2ee094f055c265072512b151c1cb063f3169050b7065a31c1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2335925.exe
PID 2648 wrote to memory of 3304 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2335925.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a2495996.exe
PID 2648 wrote to memory of 3304 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2335925.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a2495996.exe
PID 2648 wrote to memory of 3304 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2335925.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a2495996.exe
PID 2648 wrote to memory of 4872 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2335925.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b5805366.exe
PID 2648 wrote to memory of 4872 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2335925.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b5805366.exe
PID 2648 wrote to memory of 4872 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2335925.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b5805366.exe

Processes

C:\Users\Admin\AppData\Local\Temp\15f850587c7364b2ee094f055c265072512b151c1cb063f3169050b7065a31c1.exe

"C:\Users\Admin\AppData\Local\Temp\15f850587c7364b2ee094f055c265072512b151c1cb063f3169050b7065a31c1.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2335925.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2335925.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a2495996.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a2495996.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b5805366.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b5805366.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
FI 77.91.124.251:19069 tcp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
FI 77.91.124.251:19069 tcp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
FI 77.91.124.251:19069 tcp
FI 77.91.124.251:19069 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
FI 77.91.124.251:19069 tcp
FI 77.91.124.251:19069 tcp
FI 77.91.124.251:19069 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2335925.exe

MD5 0b9b79d8373db7306266b13374b706c5
SHA1 14d1e41b82c93a921e216c6413dbca71078b7164
SHA256 c001c20ba5bed00325bb65e896ff8784c78c5ac1dc09b3b080fe17f47c4ad377
SHA512 bd672462d2491570b8abb11883b8f5490eb939af81f4f3cf247f4536c2365459f1cfd1d4493edc2131c918448bac4bbe720ff8f5df1da3ff2944c236d25941f3

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a2495996.exe

MD5 2b2de86a57d6dab19b7b575e69f39efb
SHA1 bd9e3c6c382204d22facd339aca89e5bd7bfd348
SHA256 215deac5cfe86c8cea76d13fc9f0785a3f127192f6ac5a3f3f79ec517abad17a
SHA512 addb7f1950db35403508714a1e513d52975a477f0cb6415681d55a4e58be7827bba706e726241baf4ed0be9cdcbee5ec0b6ac3b5ce9cdb3656ac044455bd5b0c

memory/3304-14-0x000000007467E000-0x000000007467F000-memory.dmp

memory/3304-15-0x00000000007F0000-0x000000000080A000-memory.dmp

memory/3304-16-0x0000000074670000-0x0000000074E20000-memory.dmp

memory/3304-17-0x0000000004B40000-0x00000000050E4000-memory.dmp

memory/3304-19-0x0000000074670000-0x0000000074E20000-memory.dmp

memory/3304-20-0x0000000074670000-0x0000000074E20000-memory.dmp

memory/3304-18-0x0000000002540000-0x0000000002558000-memory.dmp

memory/3304-48-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3304-46-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3304-44-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3304-42-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3304-40-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3304-38-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3304-36-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3304-34-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3304-32-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3304-30-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3304-28-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3304-26-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3304-24-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3304-22-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3304-21-0x0000000002540000-0x0000000002552000-memory.dmp

memory/3304-49-0x000000007467E000-0x000000007467F000-memory.dmp

memory/3304-50-0x0000000074670000-0x0000000074E20000-memory.dmp

memory/3304-52-0x0000000074670000-0x0000000074E20000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b5805366.exe

MD5 6146be88a32772f48ffe4a5793b7a512
SHA1 2045636edc721356e48de655e43159d10e1f5b63
SHA256 b45ac7ef87f54f6058ba78eb3549502c9c3e6f103cd4d3bd6bd6fff715a25044
SHA512 a1618ed4edd6d018418ee458e1ed915168902efa3375a372a9f77df24454a577f599fa20ca77cf8016450795a02a013b714692597ab191578c36a073d601e5b4

memory/4872-56-0x0000000000BC0000-0x0000000000BE8000-memory.dmp

memory/4872-57-0x0000000007E90000-0x00000000084A8000-memory.dmp

memory/4872-58-0x0000000007920000-0x0000000007932000-memory.dmp

memory/4872-59-0x0000000007A50000-0x0000000007B5A000-memory.dmp

memory/4872-60-0x0000000007980000-0x00000000079BC000-memory.dmp

memory/4872-61-0x00000000079C0000-0x0000000007A0C000-memory.dmp