Malware Analysis Report

2024-11-13 17:36

Sample ID 241110-b32qnsxand
Target 919aa89ea3b5d1722aedb72f87f841230fcda9f7f1855a68e7ce81ad16fb1135
SHA256 919aa89ea3b5d1722aedb72f87f841230fcda9f7f1855a68e7ce81ad16fb1135
Tags
healer redline stek 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

919aa89ea3b5d1722aedb72f87f841230fcda9f7f1855a68e7ce81ad16fb1135

Threat Level: Known bad

The file 919aa89ea3b5d1722aedb72f87f841230fcda9f7f1855a68e7ce81ad16fb1135 was found to be: Known bad.

Malicious Activity Summary

healer redline stek discovery dropper evasion infostealer persistence trojan

Healer

RedLine

Healer family

Redline family

Detects Healer an antivirus disabler dropper

Modifies Windows Defender Real-time Protection settings

RedLine payload

Executes dropped EXE

Windows security modification

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 01:40

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 01:40

Reported

2024-11-10 01:43

Platform

win10v2004-20241007-en

Max time kernel

146s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\919aa89ea3b5d1722aedb72f87f841230fcda9f7f1855a68e7ce81ad16fb1135.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\urOT23nE70.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\urOT23nE70.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\urOT23nE70.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\urOT23nE70.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\urOT23nE70.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urOT23nE70.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\urOT23nE70.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urOT23nE70.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\919aa89ea3b5d1722aedb72f87f841230fcda9f7f1855a68e7ce81ad16fb1135.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\ycXP43xB90.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\919aa89ea3b5d1722aedb72f87f841230fcda9f7f1855a68e7ce81ad16fb1135.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycXP43xB90.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urOT23nE70.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrJL12Za45.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urOT23nE70.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urOT23nE70.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urOT23nE70.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrJL12Za45.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 696 wrote to memory of 1896 N/A C:\Users\Admin\AppData\Local\Temp\919aa89ea3b5d1722aedb72f87f841230fcda9f7f1855a68e7ce81ad16fb1135.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycXP43xB90.exe
PID 696 wrote to memory of 1896 N/A C:\Users\Admin\AppData\Local\Temp\919aa89ea3b5d1722aedb72f87f841230fcda9f7f1855a68e7ce81ad16fb1135.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycXP43xB90.exe
PID 696 wrote to memory of 1896 N/A C:\Users\Admin\AppData\Local\Temp\919aa89ea3b5d1722aedb72f87f841230fcda9f7f1855a68e7ce81ad16fb1135.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycXP43xB90.exe
PID 1896 wrote to memory of 3780 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycXP43xB90.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urOT23nE70.exe
PID 1896 wrote to memory of 3780 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycXP43xB90.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urOT23nE70.exe
PID 1896 wrote to memory of 3780 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycXP43xB90.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urOT23nE70.exe
PID 1896 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycXP43xB90.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrJL12Za45.exe
PID 1896 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycXP43xB90.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrJL12Za45.exe
PID 1896 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycXP43xB90.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrJL12Za45.exe

Processes

C:\Users\Admin\AppData\Local\Temp\919aa89ea3b5d1722aedb72f87f841230fcda9f7f1855a68e7ce81ad16fb1135.exe

"C:\Users\Admin\AppData\Local\Temp\919aa89ea3b5d1722aedb72f87f841230fcda9f7f1855a68e7ce81ad16fb1135.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycXP43xB90.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycXP43xB90.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urOT23nE70.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urOT23nE70.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3780 -ip 3780

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 1084

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrJL12Za45.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrJL12Za45.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 106.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp
US 8.8.8.8:53 melevv.eu udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycXP43xB90.exe

MD5 ad14b848e70005351448b3e410b29d4f
SHA1 c5bea1f5b7d35da6d12777775ec645c24daf9138
SHA256 91310af7d947cb943a40395b0d2cecdd489421eaa0c06bda4017a20638b3d31b
SHA512 b4a1b76c031ea511d23ec565f2410e06e9964ca94192e75205adb343483c92ee15706cd22d89ab37faebe214d6f0cb4b8c50da516e5fd6093062470f38415d8a

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urOT23nE70.exe

MD5 374df8fbd9bd4bda5f30ec3ece0f1227
SHA1 5249ddbeb23dfe83e2bdf7712b1267fdac3168a1
SHA256 99d529b6645fee0fb4d9c010b661bf64242ee5c366a78f8d2cbe8a914b0220ba
SHA512 852bd7ad74934d6c3da799ce579989addf82f06fcbacc5118c31eb4c97a0b6e1c459b71e800885434aab3b548ae775012853e3f424672c7923021c68d5da5590

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

memory/3780-15-0x0000000002C40000-0x0000000002D40000-memory.dmp

memory/3780-17-0x00000000070C0000-0x00000000070DA000-memory.dmp

memory/3780-18-0x0000000007240000-0x00000000077E4000-memory.dmp

memory/3780-19-0x0000000007150000-0x0000000007168000-memory.dmp

memory/3780-20-0x0000000000400000-0x0000000002BC0000-memory.dmp

memory/3780-34-0x0000000007150000-0x0000000007162000-memory.dmp

memory/3780-48-0x0000000007150000-0x0000000007162000-memory.dmp

memory/3780-46-0x0000000007150000-0x0000000007162000-memory.dmp

memory/3780-44-0x0000000007150000-0x0000000007162000-memory.dmp

memory/3780-42-0x0000000007150000-0x0000000007162000-memory.dmp

memory/3780-40-0x0000000007150000-0x0000000007162000-memory.dmp

memory/3780-38-0x0000000007150000-0x0000000007162000-memory.dmp

memory/3780-36-0x0000000007150000-0x0000000007162000-memory.dmp

memory/3780-32-0x0000000007150000-0x0000000007162000-memory.dmp

memory/3780-30-0x0000000007150000-0x0000000007162000-memory.dmp

memory/3780-28-0x0000000007150000-0x0000000007162000-memory.dmp

memory/3780-26-0x0000000007150000-0x0000000007162000-memory.dmp

memory/3780-24-0x0000000007150000-0x0000000007162000-memory.dmp

memory/3780-22-0x0000000007150000-0x0000000007162000-memory.dmp

memory/3780-21-0x0000000007150000-0x0000000007162000-memory.dmp

memory/3780-49-0x0000000002C40000-0x0000000002D40000-memory.dmp

memory/3780-50-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3780-53-0x0000000000400000-0x0000000002BC0000-memory.dmp

memory/3780-54-0x0000000000400000-0x0000000002BC0000-memory.dmp

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

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrJL12Za45.exe

MD5 066b5456cc754c4c01232eb5f6528b57
SHA1 a530c7bbf3cda6f6edf3d5b210a43630d3828f40
SHA256 b428258fc52be23096aa6c4e68251e60514dedcd2ee8a4cdca2f60d3f55a1630
SHA512 09ac6e0aa74919ee2321b79f267cf14baf3a8cb2bf3e589ae3b764af1e7ce495bea67c9ebcfcbb92ac4b4c3d8557052a1c979066138f0c4439a8c4d5e38878d5

memory/2792-60-0x0000000004CD0000-0x0000000004D16000-memory.dmp

memory/2792-61-0x00000000077C0000-0x0000000007804000-memory.dmp

memory/2792-81-0x00000000077C0000-0x00000000077FE000-memory.dmp

memory/2792-87-0x00000000077C0000-0x00000000077FE000-memory.dmp

memory/2792-93-0x00000000077C0000-0x00000000077FE000-memory.dmp

memory/2792-91-0x00000000077C0000-0x00000000077FE000-memory.dmp

memory/2792-89-0x00000000077C0000-0x00000000077FE000-memory.dmp

memory/2792-85-0x00000000077C0000-0x00000000077FE000-memory.dmp

memory/2792-83-0x00000000077C0000-0x00000000077FE000-memory.dmp

memory/2792-79-0x00000000077C0000-0x00000000077FE000-memory.dmp

memory/2792-77-0x00000000077C0000-0x00000000077FE000-memory.dmp

memory/2792-75-0x00000000077C0000-0x00000000077FE000-memory.dmp

memory/2792-73-0x00000000077C0000-0x00000000077FE000-memory.dmp

memory/2792-71-0x00000000077C0000-0x00000000077FE000-memory.dmp

memory/2792-69-0x00000000077C0000-0x00000000077FE000-memory.dmp

memory/2792-95-0x00000000077C0000-0x00000000077FE000-memory.dmp

memory/2792-67-0x00000000077C0000-0x00000000077FE000-memory.dmp

memory/2792-65-0x00000000077C0000-0x00000000077FE000-memory.dmp

memory/2792-63-0x00000000077C0000-0x00000000077FE000-memory.dmp

memory/2792-62-0x00000000077C0000-0x00000000077FE000-memory.dmp

memory/2792-968-0x0000000007800000-0x0000000007E18000-memory.dmp

memory/2792-969-0x0000000007EA0000-0x0000000007FAA000-memory.dmp

memory/2792-970-0x0000000007FE0000-0x0000000007FF2000-memory.dmp

memory/2792-971-0x0000000008000000-0x000000000803C000-memory.dmp

memory/2792-972-0x0000000008150000-0x000000000819C000-memory.dmp