Malware Analysis Report

2024-12-07 11:36

Sample ID 241113-vcn7favmhx
Target 6243a8b6f209a94b25336405ffa4868b52cb0baf8d0724e2a02cd6e577410622.exe
SHA256 6243a8b6f209a94b25336405ffa4868b52cb0baf8d0724e2a02cd6e577410622
Tags
healer discovery dropper evasion 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

6243a8b6f209a94b25336405ffa4868b52cb0baf8d0724e2a02cd6e577410622

Threat Level: Known bad

The file 6243a8b6f209a94b25336405ffa4868b52cb0baf8d0724e2a02cd6e577410622.exe was found to be: Known bad.

Malicious Activity Summary

healer discovery dropper evasion persistence trojan

Healer family

Healer

Detects Healer an antivirus disabler dropper

Modifies Windows Defender Real-time Protection settings

Windows security modification

Executes dropped EXE

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 16:50

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 16:50

Reported

2024-11-13 16:52

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

99s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6243a8b6f209a94b25336405ffa4868b52cb0baf8d0724e2a02cd6e577410622.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\IXP000.TMP\153890220.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\IXP000.TMP\299562050.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\153890220.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\IXP000.TMP\153890220.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\IXP000.TMP\153890220.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\IXP000.TMP\299562050.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\IXP000.TMP\299562050.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\IXP000.TMP\299562050.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\IXP000.TMP\299562050.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\IXP000.TMP\153890220.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\IXP000.TMP\153890220.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\153890220.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\299562050.exe N/A

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\IXP000.TMP\153890220.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\153890220.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\299562050.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\6243a8b6f209a94b25336405ffa4868b52cb0baf8d0724e2a02cd6e577410622.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\6243a8b6f209a94b25336405ffa4868b52cb0baf8d0724e2a02cd6e577410622.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\153890220.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\299562050.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\153890220.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\299562050.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6243a8b6f209a94b25336405ffa4868b52cb0baf8d0724e2a02cd6e577410622.exe

"C:\Users\Admin\AppData\Local\Temp\6243a8b6f209a94b25336405ffa4868b52cb0baf8d0724e2a02cd6e577410622.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\153890220.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\153890220.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\299562050.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\299562050.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3980 -ip 3980

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3980 -s 1084

Network

Country Destination Domain Proto
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 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 72.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\153890220.exe

MD5 2b71f4b18ac8214a2bff547b6ce2f64f
SHA1 b8f2f25139a7b2e8d5e8fbc024eb5cac518bc6a5
SHA256 f7eedf3aec775a62c265d1652686b30a8a45a953523e2fb3cfc1fac3c6a66fbc
SHA512 33518eff768610bf54f9888d9d0d746b0c3500dc5f2b8fd5f1641d5a264f657a8311b40364f70932512581183b244fec3feb535e21c13e0ec8adec9994175177

memory/4332-7-0x0000000073E2E000-0x0000000073E2F000-memory.dmp

memory/4332-8-0x0000000002290000-0x00000000022AA000-memory.dmp

memory/4332-9-0x0000000073E20000-0x00000000745D0000-memory.dmp

memory/4332-10-0x0000000004B30000-0x00000000050D4000-memory.dmp

memory/4332-11-0x0000000004980000-0x0000000004998000-memory.dmp

memory/4332-12-0x0000000073E20000-0x00000000745D0000-memory.dmp

memory/4332-18-0x0000000004980000-0x0000000004993000-memory.dmp

memory/4332-40-0x0000000004980000-0x0000000004993000-memory.dmp

memory/4332-38-0x0000000004980000-0x0000000004993000-memory.dmp

memory/4332-36-0x0000000004980000-0x0000000004993000-memory.dmp

memory/4332-34-0x0000000004980000-0x0000000004993000-memory.dmp

memory/4332-41-0x0000000073E20000-0x00000000745D0000-memory.dmp

memory/4332-32-0x0000000004980000-0x0000000004993000-memory.dmp

memory/4332-30-0x0000000004980000-0x0000000004993000-memory.dmp

memory/4332-28-0x0000000004980000-0x0000000004993000-memory.dmp

memory/4332-26-0x0000000004980000-0x0000000004993000-memory.dmp

memory/4332-24-0x0000000004980000-0x0000000004993000-memory.dmp

memory/4332-22-0x0000000004980000-0x0000000004993000-memory.dmp

memory/4332-20-0x0000000004980000-0x0000000004993000-memory.dmp

memory/4332-16-0x0000000004980000-0x0000000004993000-memory.dmp

memory/4332-14-0x0000000004980000-0x0000000004993000-memory.dmp

memory/4332-13-0x0000000004980000-0x0000000004993000-memory.dmp

memory/4332-42-0x0000000073E2E000-0x0000000073E2F000-memory.dmp

memory/4332-43-0x0000000073E20000-0x00000000745D0000-memory.dmp

memory/4332-45-0x0000000073E20000-0x00000000745D0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\299562050.exe

MD5 bc4185435689ce5965498a8800b93900
SHA1 c3c7f555cd079247f629daa16c279426b222adc4
SHA256 489a927b79775f87508f9cbb3c3af0f683366a28111b2dc1c8a183ae87d289e8
SHA512 48c033b248401fd466a9d56e7274ca084c656fbe2fbe4cf5ea1f3ea08dadec9349138f6a3c9500e8f50d2600a93e4cc7dc6f4a940cee199704adfe39b14c3507

memory/3980-50-0x0000000002D00000-0x0000000002E00000-memory.dmp

memory/3980-51-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3980-80-0x0000000000400000-0x0000000002B9B000-memory.dmp

memory/3980-81-0x0000000002D00000-0x0000000002E00000-memory.dmp

memory/3980-83-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3980-82-0x0000000000400000-0x0000000002B9B000-memory.dmp

memory/3980-85-0x0000000000400000-0x0000000002B9B000-memory.dmp

memory/3980-86-0x0000000000400000-0x0000000000430000-memory.dmp