Malware Analysis Report

2024-12-07 11:32

Sample ID 241113-w5qreawnht
Target 208cb2e968fa1a58f8c3bf06f528c23039fca5d580db73bf03b7f407f547d685.exe
SHA256 208cb2e968fa1a58f8c3bf06f528c23039fca5d580db73bf03b7f407f547d685
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

208cb2e968fa1a58f8c3bf06f528c23039fca5d580db73bf03b7f407f547d685

Threat Level: Known bad

The file 208cb2e968fa1a58f8c3bf06f528c23039fca5d580db73bf03b7f407f547d685.exe was found to be: Known bad.

Malicious Activity Summary

healer discovery dropper evasion persistence trojan

Modifies Windows Defender Real-time Protection settings

Detects Healer an antivirus disabler dropper

Healer

Healer family

Windows security modification

Executes dropped EXE

Adds Run key to start application

Program crash

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 18:30

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 18:30

Reported

2024-11-13 18:32

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

97s

Command Line

"C:\Users\Admin\AppData\Local\Temp\208cb2e968fa1a58f8c3bf06f528c23039fca5d580db73bf03b7f407f547d685.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\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\268969931.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\268969931.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\268969931.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\161367079.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\161367079.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\161367079.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\268969931.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\161367079.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\161367079.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\161367079.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\268969931.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\161367079.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\268969931.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\161367079.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\161367079.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\268969931.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\208cb2e968fa1a58f8c3bf06f528c23039fca5d580db73bf03b7f407f547d685.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\IXP000.TMP\268969931.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\208cb2e968fa1a58f8c3bf06f528c23039fca5d580db73bf03b7f407f547d685.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\161367079.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\161367079.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\268969931.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\208cb2e968fa1a58f8c3bf06f528c23039fca5d580db73bf03b7f407f547d685.exe

"C:\Users\Admin\AppData\Local\Temp\208cb2e968fa1a58f8c3bf06f528c23039fca5d580db73bf03b7f407f547d685.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\161367079.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\161367079.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\268969931.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\268969931.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3620 -ip 3620

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3620 -s 1080

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 66.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\161367079.exe

MD5 2b71f4b18ac8214a2bff547b6ce2f64f
SHA1 b8f2f25139a7b2e8d5e8fbc024eb5cac518bc6a5
SHA256 f7eedf3aec775a62c265d1652686b30a8a45a953523e2fb3cfc1fac3c6a66fbc
SHA512 33518eff768610bf54f9888d9d0d746b0c3500dc5f2b8fd5f1641d5a264f657a8311b40364f70932512581183b244fec3feb535e21c13e0ec8adec9994175177

memory/5028-7-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

memory/5028-8-0x0000000002380000-0x000000000239A000-memory.dmp

memory/5028-9-0x0000000074AE0000-0x0000000075290000-memory.dmp

memory/5028-11-0x0000000004F40000-0x0000000004F58000-memory.dmp

memory/5028-10-0x0000000004970000-0x0000000004F14000-memory.dmp

memory/5028-23-0x0000000004F40000-0x0000000004F53000-memory.dmp

memory/5028-39-0x0000000004F40000-0x0000000004F53000-memory.dmp

memory/5028-37-0x0000000004F40000-0x0000000004F53000-memory.dmp

memory/5028-40-0x0000000074AE0000-0x0000000075290000-memory.dmp

memory/5028-35-0x0000000004F40000-0x0000000004F53000-memory.dmp

memory/5028-33-0x0000000004F40000-0x0000000004F53000-memory.dmp

memory/5028-31-0x0000000004F40000-0x0000000004F53000-memory.dmp

memory/5028-29-0x0000000004F40000-0x0000000004F53000-memory.dmp

memory/5028-27-0x0000000004F40000-0x0000000004F53000-memory.dmp

memory/5028-25-0x0000000004F40000-0x0000000004F53000-memory.dmp

memory/5028-21-0x0000000004F40000-0x0000000004F53000-memory.dmp

memory/5028-19-0x0000000004F40000-0x0000000004F53000-memory.dmp

memory/5028-17-0x0000000004F40000-0x0000000004F53000-memory.dmp

memory/5028-15-0x0000000004F40000-0x0000000004F53000-memory.dmp

memory/5028-13-0x0000000004F40000-0x0000000004F53000-memory.dmp

memory/5028-12-0x0000000004F40000-0x0000000004F53000-memory.dmp

memory/5028-41-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

memory/5028-42-0x0000000074AE0000-0x0000000075290000-memory.dmp

memory/5028-44-0x0000000074AE0000-0x0000000075290000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\268969931.exe

MD5 75729bf4a351a061db945a6270bb0f89
SHA1 1f62610503899b6df5c3375b0cc80faa6d923554
SHA256 aec087ce8e57d89b836d7e235b6edb9b9b67b00102d9b2c7245cca134b0868b7
SHA512 6da97d68b0dd122f1a2c11e5c4652b452168b012771c936d7f9ffbb5558414d0bd309604cb1ab99fe4b32cdd8132fa7b7b6970e45239feb05c70c2dbf09d72ac

memory/3620-49-0x0000000002E00000-0x0000000002F00000-memory.dmp

memory/3620-50-0x0000000002CB0000-0x0000000002CDD000-memory.dmp

memory/3620-51-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3620-80-0x0000000002E00000-0x0000000002F00000-memory.dmp

memory/3620-82-0x0000000002CB0000-0x0000000002CDD000-memory.dmp

memory/3620-81-0x0000000000400000-0x0000000002B9B000-memory.dmp

memory/3620-83-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3620-86-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3620-85-0x0000000000400000-0x0000000002B9B000-memory.dmp