Malware Analysis Report

2024-12-07 04:19

Sample ID 241113-v91lqswfjh
Target 41dd805c772fa2a8af39c77518dcce158efcf3a9b4b6bd56f0f4978e20dfa82d.exe
SHA256 41dd805c772fa2a8af39c77518dcce158efcf3a9b4b6bd56f0f4978e20dfa82d
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

41dd805c772fa2a8af39c77518dcce158efcf3a9b4b6bd56f0f4978e20dfa82d

Threat Level: Known bad

The file 41dd805c772fa2a8af39c77518dcce158efcf3a9b4b6bd56f0f4978e20dfa82d.exe was found to be: Known bad.

Malicious Activity Summary

healer discovery dropper evasion trojan

Modifies Windows Defender Real-time Protection settings

Healer family

Detects Healer an antivirus disabler dropper

Healer

Loads dropped DLL

Windows security modification

Executes dropped EXE

Checks computer location settings

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 17:42

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 17:42

Reported

2024-11-13 17:44

Platform

win7-20241023-en

Max time kernel

24s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\41dd805c772fa2a8af39c77518dcce158efcf3a9b4b6bd56f0f4978e20dfa82d.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

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:\Windows\Temp\1.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Windows\Temp\1.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Windows\Temp\1.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Windows\Temp\1.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Windows\Temp\1.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Windows\Temp\1.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\Temp\1.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features C:\Windows\Temp\1.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Windows\Temp\1.exe N/A

Enumerates physical storage devices

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\41dd805c772fa2a8af39c77518dcce158efcf3a9b4b6bd56f0f4978e20dfa82d.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Temp\1.exe N/A
N/A N/A C:\Windows\Temp\1.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\41dd805c772fa2a8af39c77518dcce158efcf3a9b4b6bd56f0f4978e20dfa82d.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Temp\1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\41dd805c772fa2a8af39c77518dcce158efcf3a9b4b6bd56f0f4978e20dfa82d.exe

"C:\Users\Admin\AppData\Local\Temp\41dd805c772fa2a8af39c77518dcce158efcf3a9b4b6bd56f0f4978e20dfa82d.exe"

C:\Windows\Temp\1.exe

"C:\Windows\Temp\1.exe"

Network

N/A

Files

memory/2244-1-0x0000000000C60000-0x0000000000D60000-memory.dmp

memory/2244-3-0x0000000000400000-0x000000000081C000-memory.dmp

memory/2244-2-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2244-4-0x0000000000400000-0x000000000081C000-memory.dmp

memory/2244-5-0x00000000025E0000-0x0000000002638000-memory.dmp

memory/2244-6-0x0000000004C30000-0x0000000004C86000-memory.dmp

memory/2244-8-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-10-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-18-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-22-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-26-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-28-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-34-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-38-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-36-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-32-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-16-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-30-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-14-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-24-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-48-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-20-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-12-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-7-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-70-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-41-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-46-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-54-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-64-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-68-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-66-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-62-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-60-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-58-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-56-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-52-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-50-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-44-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-42-0x0000000004C30000-0x0000000004C81000-memory.dmp

memory/2244-2135-0x0000000002390000-0x000000000239A000-memory.dmp

\Windows\Temp\1.exe

MD5 7e93bacbbc33e6652e147e7fe07572a0
SHA1 421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256 850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512 250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

memory/10068-2143-0x000007FEF5003000-0x000007FEF5004000-memory.dmp

memory/2244-2146-0x0000000000C60000-0x0000000000D60000-memory.dmp

memory/2244-2145-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2244-2144-0x0000000000400000-0x000000000081C000-memory.dmp

memory/10068-2147-0x0000000000FD0000-0x0000000000FDA000-memory.dmp

memory/10068-2148-0x000007FEF5003000-0x000007FEF5004000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 17:42

Reported

2024-11-13 17:44

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\41dd805c772fa2a8af39c77518dcce158efcf3a9b4b6bd56f0f4978e20dfa82d.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

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\DisableOnAccessProtection = "1" C:\Windows\Temp\1.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Windows\Temp\1.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Windows\Temp\1.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Windows\Temp\1.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Windows\Temp\1.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Windows\Temp\1.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\41dd805c772fa2a8af39c77518dcce158efcf3a9b4b6bd56f0f4978e20dfa82d.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\Temp\1.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Windows\Temp\1.exe N/A

Enumerates physical storage devices

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\41dd805c772fa2a8af39c77518dcce158efcf3a9b4b6bd56f0f4978e20dfa82d.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Temp\1.exe N/A
N/A N/A C:\Windows\Temp\1.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\41dd805c772fa2a8af39c77518dcce158efcf3a9b4b6bd56f0f4978e20dfa82d.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Temp\1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\41dd805c772fa2a8af39c77518dcce158efcf3a9b4b6bd56f0f4978e20dfa82d.exe

"C:\Users\Admin\AppData\Local\Temp\41dd805c772fa2a8af39c77518dcce158efcf3a9b4b6bd56f0f4978e20dfa82d.exe"

C:\Windows\Temp\1.exe

"C:\Windows\Temp\1.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1656 -ip 1656

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1656 -s 1408

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 101.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp

Files

memory/1656-1-0x0000000000BE0000-0x0000000000CE0000-memory.dmp

memory/1656-2-0x0000000000B80000-0x0000000000BCC000-memory.dmp

memory/1656-3-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1656-4-0x0000000000400000-0x000000000081C000-memory.dmp

memory/1656-5-0x0000000002A80000-0x0000000002AD8000-memory.dmp

memory/1656-6-0x0000000005050000-0x00000000055F4000-memory.dmp

memory/1656-7-0x0000000004F70000-0x0000000004FC6000-memory.dmp

memory/1656-29-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-31-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-71-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-69-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-67-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-63-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-59-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-57-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-55-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-53-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-51-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-49-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-47-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-45-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-43-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-39-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-37-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-35-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-33-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-27-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-25-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-23-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-21-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-19-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-17-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-15-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-13-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-65-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-61-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-41-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-11-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-9-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-8-0x0000000004F70000-0x0000000004FC1000-memory.dmp

memory/1656-2136-0x0000000005030000-0x000000000503A000-memory.dmp

C:\Windows\Temp\1.exe

MD5 7e93bacbbc33e6652e147e7fe07572a0
SHA1 421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256 850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512 250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

memory/1656-2149-0x0000000000BE0000-0x0000000000CE0000-memory.dmp

memory/5888-2151-0x00007FFD65993000-0x00007FFD65995000-memory.dmp

memory/5888-2150-0x00000000001B0000-0x00000000001BA000-memory.dmp

memory/1656-2154-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1656-2153-0x0000000000B80000-0x0000000000BCC000-memory.dmp

memory/1656-2155-0x0000000000400000-0x000000000081C000-memory.dmp