Malware Analysis Report

2024-11-15 09:56

Sample ID 241110-bvvmdsyrfn
Target a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55
SHA256 a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55
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

a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55

Threat Level: Known bad

The file a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55 was found to be: Known bad.

Malicious Activity Summary

healer discovery dropper evasion trojan

Healer

Detects Healer an antivirus disabler dropper

Healer family

Modifies Windows Defender Real-time Protection settings

Windows security modification

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 01:28

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 01:28

Reported

2024-11-10 01:30

Platform

win7-20240708-en

Max time kernel

120s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55.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
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
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
N/A N/A N/A N/A
N/A N/A N/A N/A

Healer

dropper healer

Healer family

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:\Users\Admin\AppData\Local\Temp\a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55.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\a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55.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\a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55.exe

"C:\Users\Admin\AppData\Local\Temp\a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55.exe"

Network

N/A

Files

memory/3032-1-0x0000000000C90000-0x0000000000D90000-memory.dmp

memory/3032-2-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3032-3-0x0000000000400000-0x0000000000830000-memory.dmp

memory/3032-4-0x0000000000400000-0x0000000000830000-memory.dmp

memory/3032-5-0x0000000000300000-0x000000000031A000-memory.dmp

memory/3032-6-0x0000000000A00000-0x0000000000A18000-memory.dmp

memory/3032-7-0x0000000000A00000-0x0000000000A12000-memory.dmp

memory/3032-8-0x0000000000A00000-0x0000000000A12000-memory.dmp

memory/3032-10-0x0000000000A00000-0x0000000000A12000-memory.dmp

memory/3032-12-0x0000000000A00000-0x0000000000A12000-memory.dmp

memory/3032-19-0x0000000000A00000-0x0000000000A12000-memory.dmp

memory/3032-22-0x0000000000A00000-0x0000000000A12000-memory.dmp

memory/3032-26-0x0000000000A00000-0x0000000000A12000-memory.dmp

memory/3032-34-0x0000000000A00000-0x0000000000A12000-memory.dmp

memory/3032-32-0x0000000000A00000-0x0000000000A12000-memory.dmp

memory/3032-30-0x0000000000A00000-0x0000000000A12000-memory.dmp

memory/3032-28-0x0000000000A00000-0x0000000000A12000-memory.dmp

memory/3032-24-0x0000000000A00000-0x0000000000A12000-memory.dmp

memory/3032-20-0x0000000000A00000-0x0000000000A12000-memory.dmp

memory/3032-16-0x0000000000A00000-0x0000000000A12000-memory.dmp

memory/3032-14-0x0000000000A00000-0x0000000000A12000-memory.dmp

memory/3032-35-0x0000000000C90000-0x0000000000D90000-memory.dmp

memory/3032-36-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3032-38-0x0000000000400000-0x0000000000830000-memory.dmp

memory/3032-39-0x0000000000400000-0x0000000000430000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 01:28

Reported

2024-11-10 01:31

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55.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
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
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
N/A N/A N/A N/A
N/A N/A N/A N/A

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\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55.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\a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55.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\a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55.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\a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55.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\a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55.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\a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55.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\a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55.exe

"C:\Users\Admin\AppData\Local\Temp\a9236a2cd011b2b3e935cf01c955c514bacd618cb9fd13b6c88b3957b88d7e55.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3704 -ip 3704

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3704 -s 952

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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 75.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/3704-1-0x0000000000830000-0x0000000000930000-memory.dmp

memory/3704-2-0x0000000002560000-0x000000000258D000-memory.dmp

memory/3704-3-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3704-4-0x0000000000400000-0x0000000000830000-memory.dmp

memory/3704-5-0x0000000002740000-0x000000000275A000-memory.dmp

memory/3704-6-0x00000000050E0000-0x0000000005684000-memory.dmp

memory/3704-7-0x0000000002A90000-0x0000000002AA8000-memory.dmp

memory/3704-35-0x0000000002A90000-0x0000000002AA2000-memory.dmp

memory/3704-33-0x0000000002A90000-0x0000000002AA2000-memory.dmp

memory/3704-31-0x0000000002A90000-0x0000000002AA2000-memory.dmp

memory/3704-29-0x0000000002A90000-0x0000000002AA2000-memory.dmp

memory/3704-27-0x0000000002A90000-0x0000000002AA2000-memory.dmp

memory/3704-25-0x0000000002A90000-0x0000000002AA2000-memory.dmp

memory/3704-23-0x0000000002A90000-0x0000000002AA2000-memory.dmp

memory/3704-21-0x0000000002A90000-0x0000000002AA2000-memory.dmp

memory/3704-19-0x0000000002A90000-0x0000000002AA2000-memory.dmp

memory/3704-17-0x0000000002A90000-0x0000000002AA2000-memory.dmp

memory/3704-15-0x0000000002A90000-0x0000000002AA2000-memory.dmp

memory/3704-13-0x0000000002A90000-0x0000000002AA2000-memory.dmp

memory/3704-11-0x0000000002A90000-0x0000000002AA2000-memory.dmp

memory/3704-9-0x0000000002A90000-0x0000000002AA2000-memory.dmp

memory/3704-8-0x0000000002A90000-0x0000000002AA2000-memory.dmp

memory/3704-36-0x0000000000830000-0x0000000000930000-memory.dmp

memory/3704-37-0x0000000002560000-0x000000000258D000-memory.dmp

memory/3704-38-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3704-42-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3704-41-0x0000000000400000-0x0000000000830000-memory.dmp