Malware Analysis Report

2025-01-23 07:34

Sample ID 241104-ractva1drr
Target cb8b37798cfcb67a9a5ca3367623bbfaec770d31380923be9313d6fd015173d9
SHA256 cb8b37798cfcb67a9a5ca3367623bbfaec770d31380923be9313d6fd015173d9
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

cb8b37798cfcb67a9a5ca3367623bbfaec770d31380923be9313d6fd015173d9

Threat Level: Known bad

The file cb8b37798cfcb67a9a5ca3367623bbfaec770d31380923be9313d6fd015173d9 was found to be: Known bad.

Malicious Activity Summary

healer redline discovery dropper evasion infostealer persistence trojan

RedLine payload

Healer

Modifies Windows Defender Real-time Protection settings

Redline family

Healer family

RedLine

Detects Healer an antivirus disabler dropper

Executes dropped EXE

Windows security modification

Adds Run key to start application

Program crash

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

2024-11-04 13:59

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-04 13:59

Reported

2024-11-04 14:01

Platform

win10v2004-20241007-en

Max time kernel

147s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cb8b37798cfcb67a9a5ca3367623bbfaec770d31380923be9313d6fd015173d9.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\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr877411.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr877411.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\pr877411.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\pr877411.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\pr877411.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\pr877411.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\pr877411.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr877411.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\cb8b37798cfcb67a9a5ca3367623bbfaec770d31380923be9313d6fd015173d9.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\un412992.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\IXP001.TMP\pr877411.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu718563.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\cb8b37798cfcb67a9a5ca3367623bbfaec770d31380923be9313d6fd015173d9.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un412992.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr877411.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr877411.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr877411.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu718563.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1664 wrote to memory of 4916 N/A C:\Users\Admin\AppData\Local\Temp\cb8b37798cfcb67a9a5ca3367623bbfaec770d31380923be9313d6fd015173d9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un412992.exe
PID 1664 wrote to memory of 4916 N/A C:\Users\Admin\AppData\Local\Temp\cb8b37798cfcb67a9a5ca3367623bbfaec770d31380923be9313d6fd015173d9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un412992.exe
PID 1664 wrote to memory of 4916 N/A C:\Users\Admin\AppData\Local\Temp\cb8b37798cfcb67a9a5ca3367623bbfaec770d31380923be9313d6fd015173d9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un412992.exe
PID 4916 wrote to memory of 1376 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un412992.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr877411.exe
PID 4916 wrote to memory of 1376 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un412992.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr877411.exe
PID 4916 wrote to memory of 1376 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un412992.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr877411.exe
PID 4916 wrote to memory of 1908 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un412992.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu718563.exe
PID 4916 wrote to memory of 1908 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un412992.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu718563.exe
PID 4916 wrote to memory of 1908 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un412992.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu718563.exe

Processes

C:\Users\Admin\AppData\Local\Temp\cb8b37798cfcb67a9a5ca3367623bbfaec770d31380923be9313d6fd015173d9.exe

"C:\Users\Admin\AppData\Local\Temp\cb8b37798cfcb67a9a5ca3367623bbfaec770d31380923be9313d6fd015173d9.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un412992.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un412992.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr877411.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr877411.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1376 -ip 1376

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1376 -s 1104

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu718563.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu718563.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
RU 185.161.248.153:38452 tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
RU 185.161.248.153:38452 tcp
RU 185.161.248.153:38452 tcp
RU 185.161.248.153:38452 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
RU 185.161.248.153:38452 tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
RU 185.161.248.153:38452 tcp
RU 185.161.248.153:38452 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un412992.exe

MD5 e9c6a18f1f0578a22b6cc955702d265d
SHA1 6771747c3ece50ca5e0e840cc70cd8665bf6b371
SHA256 54655ca59fb1bef1d99a5857d206deedbd15f305091f7d87ee956ba542debd32
SHA512 bfd023880237cea2eb9c49e74a58d7c6382b3adad5ec9580ebbc65aa73aa012b2c4716c138836dc07ff0cf53d5b9ecb9e8782974a8a6f4a261bcdfc99a85e81b

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr877411.exe

MD5 0a7c848f16330be7d68511f9a0421dc0
SHA1 69f72361fafdf5eb1b9752c967ff528a5ab816fa
SHA256 0ae1dfaab872aa3f7dfe0dad56ce4828d1069186decc23253cd7ee31fd91e55a
SHA512 e9c337a72469d906640e2b6d7735185397f406758c48ac9cae44b093c2b5ba6936c3451fb3607f97a00b3d6a327c3b79e2af0b582830372769a62ea7c372130c

memory/1376-15-0x0000000002D70000-0x0000000002E70000-memory.dmp

memory/1376-16-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1376-17-0x00000000070D0000-0x00000000070EA000-memory.dmp

memory/1376-18-0x0000000007210000-0x00000000077B4000-memory.dmp

memory/1376-19-0x0000000007150000-0x0000000007168000-memory.dmp

memory/1376-20-0x0000000000400000-0x0000000002BB4000-memory.dmp

memory/1376-38-0x0000000007150000-0x0000000007162000-memory.dmp

memory/1376-40-0x0000000007150000-0x0000000007162000-memory.dmp

memory/1376-46-0x0000000007150000-0x0000000007162000-memory.dmp

memory/1376-44-0x0000000007150000-0x0000000007162000-memory.dmp

memory/1376-42-0x0000000007150000-0x0000000007162000-memory.dmp

memory/1376-36-0x0000000007150000-0x0000000007162000-memory.dmp

memory/1376-34-0x0000000007150000-0x0000000007162000-memory.dmp

memory/1376-32-0x0000000007150000-0x0000000007162000-memory.dmp

memory/1376-30-0x0000000007150000-0x0000000007162000-memory.dmp

memory/1376-28-0x0000000007150000-0x0000000007162000-memory.dmp

memory/1376-26-0x0000000007150000-0x0000000007162000-memory.dmp

memory/1376-24-0x0000000007150000-0x0000000007162000-memory.dmp

memory/1376-22-0x0000000007150000-0x0000000007162000-memory.dmp

memory/1376-21-0x0000000007150000-0x0000000007162000-memory.dmp

memory/1376-48-0x0000000007150000-0x0000000007162000-memory.dmp

memory/1376-50-0x0000000002D70000-0x0000000002E70000-memory.dmp

memory/1376-51-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1376-53-0x0000000000400000-0x0000000002BB4000-memory.dmp

memory/1376-54-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu718563.exe

MD5 24b6edfd39a8d3d53eac6d5643b0e427
SHA1 697468514379785e8a41d1623aa300d57f191dbd
SHA256 e977cccc583b7048511af664c5c13c3dafefae02ecb852156bf0264af167a4d0
SHA512 9c8c07c96fc6f5ec520e0c5584a5f35e799edb892cc32ad2549787c51c8d288b5c964884b34a38b01c40def282146fd6a9bff886185cfd6dc3e1cdda30e52b8b

memory/1908-59-0x0000000006FF0000-0x000000000702C000-memory.dmp

memory/1908-60-0x0000000007770000-0x00000000077AA000-memory.dmp

memory/1908-72-0x0000000007770000-0x00000000077A5000-memory.dmp

memory/1908-74-0x0000000007770000-0x00000000077A5000-memory.dmp

memory/1908-95-0x0000000007770000-0x00000000077A5000-memory.dmp

memory/1908-92-0x0000000007770000-0x00000000077A5000-memory.dmp

memory/1908-90-0x0000000007770000-0x00000000077A5000-memory.dmp

memory/1908-88-0x0000000007770000-0x00000000077A5000-memory.dmp

memory/1908-854-0x000000000A350000-0x000000000A362000-memory.dmp

memory/1908-855-0x000000000A370000-0x000000000A47A000-memory.dmp

memory/1908-856-0x000000000A4A0000-0x000000000A4DC000-memory.dmp

memory/1908-853-0x0000000009C90000-0x000000000A2A8000-memory.dmp

memory/1908-86-0x0000000007770000-0x00000000077A5000-memory.dmp

memory/1908-84-0x0000000007770000-0x00000000077A5000-memory.dmp

memory/1908-857-0x00000000049E0000-0x0000000004A2C000-memory.dmp

memory/1908-82-0x0000000007770000-0x00000000077A5000-memory.dmp

memory/1908-80-0x0000000007770000-0x00000000077A5000-memory.dmp

memory/1908-78-0x0000000007770000-0x00000000077A5000-memory.dmp

memory/1908-76-0x0000000007770000-0x00000000077A5000-memory.dmp

memory/1908-70-0x0000000007770000-0x00000000077A5000-memory.dmp

memory/1908-68-0x0000000007770000-0x00000000077A5000-memory.dmp

memory/1908-66-0x0000000007770000-0x00000000077A5000-memory.dmp

memory/1908-64-0x0000000007770000-0x00000000077A5000-memory.dmp

memory/1908-62-0x0000000007770000-0x00000000077A5000-memory.dmp

memory/1908-61-0x0000000007770000-0x00000000077A5000-memory.dmp