Malware Analysis Report

2024-10-24 19:58

Sample ID 231105-lbwepadf7v
Target NEAS.e0da7ed93e63d80657a0787ccd039540.exe
SHA256 40e31ff37267b644f9c69c7dda5e1fad3e9f45fe3afb6b27fc284e6df2274ee4
Tags
healer 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

40e31ff37267b644f9c69c7dda5e1fad3e9f45fe3afb6b27fc284e6df2274ee4

Threat Level: Known bad

The file NEAS.e0da7ed93e63d80657a0787ccd039540.exe was found to be: Known bad.

Malicious Activity Summary

healer dropper evasion trojan

Detects Healer an antivirus disabler dropper

Healer

Modifies Windows Defender Real-time Protection settings

Suspicious use of SetThreadContext

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-11-05 09:22

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-05 09:22

Reported

2023-11-05 09:24

Platform

win7-20231020-en

Max time kernel

117s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.e0da7ed93e63d80657a0787ccd039540.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
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
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
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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2196 set thread context of 2272 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.e0da7ed93e63d80657a0787ccd039540.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

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 2196 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.e0da7ed93e63d80657a0787ccd039540.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2196 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.e0da7ed93e63d80657a0787ccd039540.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2196 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.e0da7ed93e63d80657a0787ccd039540.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2196 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.e0da7ed93e63d80657a0787ccd039540.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2196 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.e0da7ed93e63d80657a0787ccd039540.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2196 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.e0da7ed93e63d80657a0787ccd039540.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2196 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.e0da7ed93e63d80657a0787ccd039540.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2196 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.e0da7ed93e63d80657a0787ccd039540.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2196 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.e0da7ed93e63d80657a0787ccd039540.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2196 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.e0da7ed93e63d80657a0787ccd039540.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2196 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.e0da7ed93e63d80657a0787ccd039540.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2196 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.e0da7ed93e63d80657a0787ccd039540.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2196 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.e0da7ed93e63d80657a0787ccd039540.exe C:\Windows\SysWOW64\WerFault.exe
PID 2196 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.e0da7ed93e63d80657a0787ccd039540.exe C:\Windows\SysWOW64\WerFault.exe
PID 2196 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.e0da7ed93e63d80657a0787ccd039540.exe C:\Windows\SysWOW64\WerFault.exe
PID 2196 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.e0da7ed93e63d80657a0787ccd039540.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.e0da7ed93e63d80657a0787ccd039540.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.e0da7ed93e63d80657a0787ccd039540.exe"

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

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 92

Network

N/A

Files

memory/2272-0-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2272-1-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2272-2-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2272-3-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2272-4-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/2272-5-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2272-7-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2272-9-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2272-10-0x0000000073B00000-0x00000000741EE000-memory.dmp

memory/2272-11-0x0000000073B00000-0x00000000741EE000-memory.dmp

memory/2272-12-0x0000000073B00000-0x00000000741EE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-11-05 09:22

Reported

2023-11-05 09:24

Platform

win10v2004-20231025-en

Max time kernel

142s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.e0da7ed93e63d80657a0787ccd039540.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
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
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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2660 set thread context of 2676 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.e0da7ed93e63d80657a0787ccd039540.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

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\NEAS.e0da7ed93e63d80657a0787ccd039540.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.e0da7ed93e63d80657a0787ccd039540.exe"

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

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2660 -ip 2660

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2660 -s 276

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 39.142.81.104.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 138.175.53.84.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 121.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 163.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 14.173.189.20.in-addr.arpa udp

Files

memory/2676-0-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2676-1-0x0000000074F80000-0x0000000075730000-memory.dmp

memory/2676-2-0x0000000074F80000-0x0000000075730000-memory.dmp

memory/2676-4-0x0000000074F80000-0x0000000075730000-memory.dmp