Malware Analysis Report

2024-12-07 03:57

Sample ID 241113-qa111ascra
Target b3c7f41a7dd9851c86bd01ace067e0619161ae603c05dd2f33550bb39804f594N.exe
SHA256 b3c7f41a7dd9851c86bd01ace067e0619161ae603c05dd2f33550bb39804f594
Tags
healer redline rosto 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

b3c7f41a7dd9851c86bd01ace067e0619161ae603c05dd2f33550bb39804f594

Threat Level: Known bad

The file b3c7f41a7dd9851c86bd01ace067e0619161ae603c05dd2f33550bb39804f594N.exe was found to be: Known bad.

Malicious Activity Summary

healer redline rosto discovery dropper evasion infostealer persistence trojan

Healer

Modifies Windows Defender Real-time Protection settings

Healer family

Detects Healer an antivirus disabler dropper

RedLine

RedLine payload

Redline family

Executes dropped EXE

Windows security modification

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

2024-11-13 13:04

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 13:04

Reported

2024-11-13 13:06

Platform

win10v2004-20241007-en

Max time kernel

115s

Max time network

116s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b3c7f41a7dd9851c86bd01ace067e0619161ae603c05dd2f33550bb39804f594N.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\urnP72xb95.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\urnP72xb95.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urnP72xb95.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\urnP72xb95.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\urnP72xb95.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\urnP72xb95.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\urnP72xb95.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urnP72xb95.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\b3c7f41a7dd9851c86bd01ace067e0619161ae603c05dd2f33550bb39804f594N.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\ycfk67Mz29.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\b3c7f41a7dd9851c86bd01ace067e0619161ae603c05dd2f33550bb39804f594N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycfk67Mz29.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urnP72xb95.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrny79FS13.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urnP72xb95.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urnP72xb95.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urnP72xb95.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrny79FS13.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4296 wrote to memory of 4732 N/A C:\Users\Admin\AppData\Local\Temp\b3c7f41a7dd9851c86bd01ace067e0619161ae603c05dd2f33550bb39804f594N.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycfk67Mz29.exe
PID 4296 wrote to memory of 4732 N/A C:\Users\Admin\AppData\Local\Temp\b3c7f41a7dd9851c86bd01ace067e0619161ae603c05dd2f33550bb39804f594N.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycfk67Mz29.exe
PID 4296 wrote to memory of 4732 N/A C:\Users\Admin\AppData\Local\Temp\b3c7f41a7dd9851c86bd01ace067e0619161ae603c05dd2f33550bb39804f594N.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycfk67Mz29.exe
PID 4732 wrote to memory of 2008 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycfk67Mz29.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urnP72xb95.exe
PID 4732 wrote to memory of 2008 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycfk67Mz29.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urnP72xb95.exe
PID 4732 wrote to memory of 2008 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycfk67Mz29.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urnP72xb95.exe
PID 4732 wrote to memory of 5084 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycfk67Mz29.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrny79FS13.exe
PID 4732 wrote to memory of 5084 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycfk67Mz29.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrny79FS13.exe
PID 4732 wrote to memory of 5084 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycfk67Mz29.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrny79FS13.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b3c7f41a7dd9851c86bd01ace067e0619161ae603c05dd2f33550bb39804f594N.exe

"C:\Users\Admin\AppData\Local\Temp\b3c7f41a7dd9851c86bd01ace067e0619161ae603c05dd2f33550bb39804f594N.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycfk67Mz29.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycfk67Mz29.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urnP72xb95.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urnP72xb95.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2008 -ip 2008

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2008 -s 1084

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrny79FS13.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrny79FS13.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 106.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp
US 8.8.8.8:53 hueref.eu udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycfk67Mz29.exe

MD5 44bc4a8cf1cac0c3120cac36c8ba72ed
SHA1 229e22c8813529ed5579e540ecae11d0594cadf4
SHA256 dd99a4ee2ac82356b0975de447695164df0d5d29eb3d4965357ebb5d6b6ceb40
SHA512 9f6c38b3e251c6c60c7851ddc77817ba26c11526dffba2b36f4b1e5575c5f06cf7ae564c3fbec160b61a8b43daec54516a46f0c02c986e5e48f43050d5a549e1

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urnP72xb95.exe

MD5 2120c6c2708aefaf06e59fce16a9e5ec
SHA1 e953b0507cac25f46d483dd2a82c2770fbc2c5f4
SHA256 8f9056673376ae658ed532e38040ae0dddf07d8a11aacc7ee92efc7d93f4e18b
SHA512 8d3301488cd24d93bdcb808439d2c84b6e0d7e1a416e8058f812cae16c1d5c1ca40fb628ca3e91fd4020e79c0cff89b1ffe29f53890004f22154a90ffc3f9ebe

memory/2008-15-0x0000000000700000-0x0000000000800000-memory.dmp

memory/2008-16-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2008-17-0x0000000000400000-0x000000000057E000-memory.dmp

memory/2008-18-0x0000000000400000-0x000000000057E000-memory.dmp

memory/2008-19-0x00000000023B0000-0x00000000023CA000-memory.dmp

memory/2008-20-0x0000000004C30000-0x00000000051D4000-memory.dmp

memory/2008-21-0x0000000004B20000-0x0000000004B38000-memory.dmp

memory/2008-49-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/2008-47-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/2008-45-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/2008-43-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/2008-41-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/2008-39-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/2008-37-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/2008-35-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/2008-33-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/2008-31-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/2008-29-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/2008-27-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/2008-25-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/2008-23-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/2008-22-0x0000000004B20000-0x0000000004B32000-memory.dmp

memory/2008-50-0x0000000000700000-0x0000000000800000-memory.dmp

memory/2008-51-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2008-54-0x0000000000400000-0x000000000057E000-memory.dmp

memory/2008-55-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrny79FS13.exe

MD5 75160aa498b0f13e4f6106ffe98857f3
SHA1 154296294b8700f46187245fdb9a2c4d5aa7da3c
SHA256 57ad72d53871e2d2f5576eca5bbf30e6c86fffef549ab740e9b2f89a81968547
SHA512 8aade9003760df690e83dd35a309c64a67d7f10a37fb3e3138d4373d69a420885883417a1421f3bcdfb78776f5d6d38f83dab13b1f3f824186eae94ee1263813

memory/5084-60-0x0000000002520000-0x0000000002566000-memory.dmp

memory/5084-61-0x0000000002710000-0x0000000002754000-memory.dmp

memory/5084-65-0x0000000002710000-0x000000000274E000-memory.dmp

memory/5084-75-0x0000000002710000-0x000000000274E000-memory.dmp

memory/5084-95-0x0000000002710000-0x000000000274E000-memory.dmp

memory/5084-94-0x0000000002710000-0x000000000274E000-memory.dmp

memory/5084-92-0x0000000002710000-0x000000000274E000-memory.dmp

memory/5084-89-0x0000000002710000-0x000000000274E000-memory.dmp

memory/5084-87-0x0000000002710000-0x000000000274E000-memory.dmp

memory/5084-85-0x0000000002710000-0x000000000274E000-memory.dmp

memory/5084-83-0x0000000002710000-0x000000000274E000-memory.dmp

memory/5084-81-0x0000000002710000-0x000000000274E000-memory.dmp

memory/5084-79-0x0000000002710000-0x000000000274E000-memory.dmp

memory/5084-77-0x0000000002710000-0x000000000274E000-memory.dmp

memory/5084-73-0x0000000002710000-0x000000000274E000-memory.dmp

memory/5084-71-0x0000000002710000-0x000000000274E000-memory.dmp

memory/5084-69-0x0000000002710000-0x000000000274E000-memory.dmp

memory/5084-67-0x0000000002710000-0x000000000274E000-memory.dmp

memory/5084-63-0x0000000002710000-0x000000000274E000-memory.dmp

memory/5084-62-0x0000000002710000-0x000000000274E000-memory.dmp

memory/5084-968-0x0000000005320000-0x0000000005938000-memory.dmp

memory/5084-969-0x0000000005940000-0x0000000005A4A000-memory.dmp

memory/5084-970-0x0000000004CB0000-0x0000000004CC2000-memory.dmp

memory/5084-971-0x0000000004CD0000-0x0000000004D0C000-memory.dmp

memory/5084-972-0x0000000005B50000-0x0000000005B9C000-memory.dmp