Malware Analysis Report

2024-12-07 04:19

Sample ID 241113-v8625awjav
Target b6bdaa9ba610cf8b232e7b07e084ac3992fc4c85bce279c8d8d12f722bffb172N.exe
SHA256 b6bdaa9ba610cf8b232e7b07e084ac3992fc4c85bce279c8d8d12f722bffb172
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

b6bdaa9ba610cf8b232e7b07e084ac3992fc4c85bce279c8d8d12f722bffb172

Threat Level: Known bad

The file b6bdaa9ba610cf8b232e7b07e084ac3992fc4c85bce279c8d8d12f722bffb172N.exe was found to be: Known bad.

Malicious Activity Summary

healer discovery dropper evasion trojan

Modifies Windows Defender Real-time Protection settings

Healer

Healer family

Detects Healer an antivirus disabler dropper

Checks computer location settings

Loads dropped DLL

Windows security modification

Executes dropped EXE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 17:40

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 17:40

Reported

2024-11-13 17:43

Platform

win7-20240903-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b6bdaa9ba610cf8b232e7b07e084ac3992fc4c85bce279c8d8d12f722bffb172N.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
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
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "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
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Windows\Temp\1.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features 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\b6bdaa9ba610cf8b232e7b07e084ac3992fc4c85bce279c8d8d12f722bffb172N.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\b6bdaa9ba610cf8b232e7b07e084ac3992fc4c85bce279c8d8d12f722bffb172N.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Temp\1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b6bdaa9ba610cf8b232e7b07e084ac3992fc4c85bce279c8d8d12f722bffb172N.exe

"C:\Users\Admin\AppData\Local\Temp\b6bdaa9ba610cf8b232e7b07e084ac3992fc4c85bce279c8d8d12f722bffb172N.exe"

C:\Windows\Temp\1.exe

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

Network

N/A

Files

memory/1728-1-0x00000000009D0000-0x0000000000AD0000-memory.dmp

memory/1728-3-0x0000000000400000-0x000000000081C000-memory.dmp

memory/1728-2-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1728-4-0x00000000025C0000-0x0000000002618000-memory.dmp

memory/1728-5-0x0000000004B70000-0x0000000004BC6000-memory.dmp

memory/1728-6-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-41-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-7-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-59-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-69-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-9-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-11-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-13-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-15-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-17-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-19-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-21-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-23-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-25-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-27-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-29-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-31-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-33-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-35-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-37-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-39-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-43-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-45-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-53-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-67-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-65-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-63-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-61-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-57-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-55-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-51-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-49-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-47-0x0000000004B70000-0x0000000004BC1000-memory.dmp

memory/1728-2134-0x00000000024B0000-0x00000000024BA000-memory.dmp

C:\Windows\Temp\1.exe

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

memory/1728-2143-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1728-2142-0x0000000000400000-0x000000000081C000-memory.dmp

memory/6256-2144-0x000007FEF5FD3000-0x000007FEF5FD4000-memory.dmp

memory/6256-2145-0x0000000000A80000-0x0000000000A8A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 17:40

Reported

2024-11-13 17:43

Platform

win10v2004-20241007-en

Max time kernel

77s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b6bdaa9ba610cf8b232e7b07e084ac3992fc4c85bce279c8d8d12f722bffb172N.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\b6bdaa9ba610cf8b232e7b07e084ac3992fc4c85bce279c8d8d12f722bffb172N.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\b6bdaa9ba610cf8b232e7b07e084ac3992fc4c85bce279c8d8d12f722bffb172N.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\b6bdaa9ba610cf8b232e7b07e084ac3992fc4c85bce279c8d8d12f722bffb172N.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Temp\1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b6bdaa9ba610cf8b232e7b07e084ac3992fc4c85bce279c8d8d12f722bffb172N.exe

"C:\Users\Admin\AppData\Local\Temp\b6bdaa9ba610cf8b232e7b07e084ac3992fc4c85bce279c8d8d12f722bffb172N.exe"

C:\Windows\Temp\1.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2316 -ip 2316

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2316 -s 1316

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp

Files

memory/2316-1-0x0000000000910000-0x0000000000A10000-memory.dmp

memory/2316-2-0x0000000002480000-0x00000000024CC000-memory.dmp

memory/2316-3-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2316-4-0x0000000000400000-0x000000000081C000-memory.dmp

memory/2316-5-0x00000000026A0000-0x00000000026F8000-memory.dmp

memory/2316-6-0x0000000004FD0000-0x0000000005574000-memory.dmp

memory/2316-7-0x0000000004E40000-0x0000000004E96000-memory.dmp

memory/2316-63-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-71-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-69-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-67-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-65-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-61-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-59-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-57-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-55-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-53-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-49-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-47-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-45-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-41-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-39-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-37-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-35-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-33-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-31-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-27-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-23-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-21-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-19-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-17-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-15-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-12-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-9-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-8-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-51-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-43-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-29-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-25-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-13-0x0000000004E40000-0x0000000004E91000-memory.dmp

memory/2316-2137-0x0000000005720000-0x000000000572A000-memory.dmp

memory/2316-2136-0x0000000000910000-0x0000000000A10000-memory.dmp

C:\Windows\Temp\1.exe

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

memory/4772-2150-0x00000000004D0000-0x00000000004DA000-memory.dmp

memory/4772-2151-0x00007FFF2A143000-0x00007FFF2A145000-memory.dmp

memory/2316-2154-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2316-2153-0x0000000002480000-0x00000000024CC000-memory.dmp

memory/2316-2155-0x0000000000400000-0x000000000081C000-memory.dmp