Malware Analysis Report

2024-10-16 03:40

Sample ID 241001-z2fzksvard
Target 5dcc9208a404599d97c20ba8552c65b6419d72be3e68aa6e0cef3017e2a02c3eN
SHA256 5dcc9208a404599d97c20ba8552c65b6419d72be3e68aa6e0cef3017e2a02c3e
Tags
healer discovery dropper evasion 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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

5dcc9208a404599d97c20ba8552c65b6419d72be3e68aa6e0cef3017e2a02c3e

Threat Level: Known bad

The file 5dcc9208a404599d97c20ba8552c65b6419d72be3e68aa6e0cef3017e2a02c3eN was found to be: Known bad.

Malicious Activity Summary

healer discovery dropper evasion trojan

Detects Healer an antivirus disabler dropper

Healer

Modifies Windows Defender Real-time Protection settings

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-01 21:12

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-01 21:12

Reported

2024-10-01 21:14

Platform

win7-20240903-en

Max time kernel

17s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5dcc9208a404599d97c20ba8552c65b6419d72be3e68aa6e0cef3017e2a02c3eN.exe"

Signatures

Detects Healer an antivirus disabler dropper

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

Healer

dropper healer

Modifies Windows Defender Real-time Protection settings

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1656 set thread context of 2900 N/A C:\Users\Admin\AppData\Local\Temp\5dcc9208a404599d97c20ba8552c65b6419d72be3e68aa6e0cef3017e2a02c3eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

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\5dcc9208a404599d97c20ba8552c65b6419d72be3e68aa6e0cef3017e2a02c3eN.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1656 wrote to memory of 2900 N/A C:\Users\Admin\AppData\Local\Temp\5dcc9208a404599d97c20ba8552c65b6419d72be3e68aa6e0cef3017e2a02c3eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1656 wrote to memory of 2900 N/A C:\Users\Admin\AppData\Local\Temp\5dcc9208a404599d97c20ba8552c65b6419d72be3e68aa6e0cef3017e2a02c3eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1656 wrote to memory of 2900 N/A C:\Users\Admin\AppData\Local\Temp\5dcc9208a404599d97c20ba8552c65b6419d72be3e68aa6e0cef3017e2a02c3eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1656 wrote to memory of 2900 N/A C:\Users\Admin\AppData\Local\Temp\5dcc9208a404599d97c20ba8552c65b6419d72be3e68aa6e0cef3017e2a02c3eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1656 wrote to memory of 2900 N/A C:\Users\Admin\AppData\Local\Temp\5dcc9208a404599d97c20ba8552c65b6419d72be3e68aa6e0cef3017e2a02c3eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1656 wrote to memory of 2900 N/A C:\Users\Admin\AppData\Local\Temp\5dcc9208a404599d97c20ba8552c65b6419d72be3e68aa6e0cef3017e2a02c3eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1656 wrote to memory of 2900 N/A C:\Users\Admin\AppData\Local\Temp\5dcc9208a404599d97c20ba8552c65b6419d72be3e68aa6e0cef3017e2a02c3eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1656 wrote to memory of 2900 N/A C:\Users\Admin\AppData\Local\Temp\5dcc9208a404599d97c20ba8552c65b6419d72be3e68aa6e0cef3017e2a02c3eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1656 wrote to memory of 2900 N/A C:\Users\Admin\AppData\Local\Temp\5dcc9208a404599d97c20ba8552c65b6419d72be3e68aa6e0cef3017e2a02c3eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5dcc9208a404599d97c20ba8552c65b6419d72be3e68aa6e0cef3017e2a02c3eN.exe

"C:\Users\Admin\AppData\Local\Temp\5dcc9208a404599d97c20ba8552c65b6419d72be3e68aa6e0cef3017e2a02c3eN.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

"C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AppLaunch.exe"

Network

N/A

Files

memory/1656-0-0x0000000000423000-0x0000000000425000-memory.dmp

memory/2900-1-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2900-3-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2900-7-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/2900-10-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2900-9-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2900-11-0x00000000746AE000-0x00000000746AF000-memory.dmp

memory/2900-12-0x00000000746AE000-0x00000000746AF000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-01 21:12

Reported

2024-10-01 21:14

Platform

win10v2004-20240802-en

Max time kernel

95s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5dcc9208a404599d97c20ba8552c65b6419d72be3e68aa6e0cef3017e2a02c3eN.exe"

Signatures

Detects Healer an antivirus disabler dropper

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

Healer

dropper 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:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4896 set thread context of 2888 N/A C:\Users\Admin\AppData\Local\Temp\5dcc9208a404599d97c20ba8552c65b6419d72be3e68aa6e0cef3017e2a02c3eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

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\5dcc9208a404599d97c20ba8552c65b6419d72be3e68aa6e0cef3017e2a02c3eN.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5dcc9208a404599d97c20ba8552c65b6419d72be3e68aa6e0cef3017e2a02c3eN.exe

"C:\Users\Admin\AppData\Local\Temp\5dcc9208a404599d97c20ba8552c65b6419d72be3e68aa6e0cef3017e2a02c3eN.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

"C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AppLaunch.exe"

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 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/4896-0-0x0000000000423000-0x0000000000425000-memory.dmp

memory/2888-1-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2888-6-0x00000000744BE000-0x00000000744BF000-memory.dmp

memory/2888-7-0x00000000744BE000-0x00000000744BF000-memory.dmp