Malware Analysis Report

2024-11-15 09:56

Sample ID 241110-btt98swgng
Target a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5
SHA256 a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5
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

a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5

Threat Level: Known bad

The file a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5 was found to be: Known bad.

Malicious Activity Summary

healer discovery dropper evasion trojan

Healer

Healer family

Modifies Windows Defender Real-time Protection settings

Detects Healer an antivirus disabler dropper

Windows security modification

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 01:26

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 01:26

Reported

2024-11-10 01:29

Platform

win7-20240903-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5.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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5.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\a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5.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\a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5.exe

"C:\Users\Admin\AppData\Local\Temp\a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5.exe"

Network

N/A

Files

memory/2088-1-0x0000000000230000-0x0000000000330000-memory.dmp

memory/2088-2-0x00000000003A0000-0x00000000003CD000-memory.dmp

memory/2088-3-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2088-4-0x0000000000400000-0x0000000000807000-memory.dmp

memory/2088-5-0x00000000020E0000-0x00000000020FA000-memory.dmp

memory/2088-6-0x0000000002280000-0x0000000002298000-memory.dmp

memory/2088-7-0x0000000002280000-0x0000000002293000-memory.dmp

memory/2088-8-0x0000000002280000-0x0000000002293000-memory.dmp

memory/2088-10-0x0000000002280000-0x0000000002293000-memory.dmp

memory/2088-12-0x0000000002280000-0x0000000002293000-memory.dmp

memory/2088-14-0x0000000002280000-0x0000000002293000-memory.dmp

memory/2088-16-0x0000000002280000-0x0000000002293000-memory.dmp

memory/2088-22-0x0000000002280000-0x0000000002293000-memory.dmp

memory/2088-34-0x0000000002280000-0x0000000002293000-memory.dmp

memory/2088-32-0x0000000002280000-0x0000000002293000-memory.dmp

memory/2088-30-0x0000000002280000-0x0000000002293000-memory.dmp

memory/2088-28-0x0000000002280000-0x0000000002293000-memory.dmp

memory/2088-26-0x0000000002280000-0x0000000002293000-memory.dmp

memory/2088-24-0x0000000002280000-0x0000000002293000-memory.dmp

memory/2088-20-0x0000000002280000-0x0000000002293000-memory.dmp

memory/2088-18-0x0000000002280000-0x0000000002293000-memory.dmp

memory/2088-35-0x0000000000230000-0x0000000000330000-memory.dmp

memory/2088-36-0x00000000003A0000-0x00000000003CD000-memory.dmp

memory/2088-37-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2088-40-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2088-39-0x0000000000400000-0x0000000000807000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 01:26

Reported

2024-11-10 01:29

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5.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
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5.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\a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5.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\a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5.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\a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5.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\a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5.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\a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5.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\a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5.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\a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5.exe

"C:\Users\Admin\AppData\Local\Temp\a83b45aed9486eb485de33e7adb4974ea2cb8f51a9bf7fcf1c7c89140442c7a5.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1540 -ip 1540

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1540 -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 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

memory/1540-1-0x0000000000B10000-0x0000000000C10000-memory.dmp

memory/1540-2-0x0000000000AB0000-0x0000000000ADD000-memory.dmp

memory/1540-3-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1540-4-0x0000000000400000-0x0000000000807000-memory.dmp

memory/1540-5-0x0000000002650000-0x000000000266A000-memory.dmp

memory/1540-6-0x0000000004FA0000-0x0000000005544000-memory.dmp

memory/1540-7-0x0000000002A80000-0x0000000002A98000-memory.dmp

memory/1540-13-0x0000000002A80000-0x0000000002A93000-memory.dmp

memory/1540-35-0x0000000002A80000-0x0000000002A93000-memory.dmp

memory/1540-34-0x0000000002A80000-0x0000000002A93000-memory.dmp

memory/1540-31-0x0000000002A80000-0x0000000002A93000-memory.dmp

memory/1540-30-0x0000000002A80000-0x0000000002A93000-memory.dmp

memory/1540-27-0x0000000002A80000-0x0000000002A93000-memory.dmp

memory/1540-25-0x0000000002A80000-0x0000000002A93000-memory.dmp

memory/1540-23-0x0000000002A80000-0x0000000002A93000-memory.dmp

memory/1540-21-0x0000000002A80000-0x0000000002A93000-memory.dmp

memory/1540-19-0x0000000002A80000-0x0000000002A93000-memory.dmp

memory/1540-17-0x0000000002A80000-0x0000000002A93000-memory.dmp

memory/1540-15-0x0000000002A80000-0x0000000002A93000-memory.dmp

memory/1540-11-0x0000000002A80000-0x0000000002A93000-memory.dmp

memory/1540-9-0x0000000002A80000-0x0000000002A93000-memory.dmp

memory/1540-8-0x0000000002A80000-0x0000000002A93000-memory.dmp

memory/1540-36-0x0000000000B10000-0x0000000000C10000-memory.dmp

memory/1540-37-0x0000000000AB0000-0x0000000000ADD000-memory.dmp

memory/1540-38-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1540-42-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1540-41-0x0000000000400000-0x0000000000807000-memory.dmp