Malware Analysis Report

2024-10-24 19:57

Sample ID 231028-g4aw8seg4v
Target NEAS.9078cdef5aa55562d8ba2625e9abba00_JC.exe
SHA256 b9641a944f59cd20208b00e97e124ab35263ca8c54350d6a1f47954533f773c4
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

b9641a944f59cd20208b00e97e124ab35263ca8c54350d6a1f47954533f773c4

Threat Level: Known bad

The file NEAS.9078cdef5aa55562d8ba2625e9abba00_JC.exe was found to be: Known bad.

Malicious Activity Summary

healer dropper evasion trojan

Detects Healer an antivirus disabler dropper

Healer family

Healer

Modifies Windows Defender Real-time Protection settings

Windows security modification

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-10-28 06:21

Signatures

Detects Healer an antivirus disabler dropper

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

Healer family

healer

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-28 06:21

Reported

2023-10-28 06:23

Platform

win7-20231020-en

Max time kernel

120s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.9078cdef5aa55562d8ba2625e9abba00_JC.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
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\NEAS.9078cdef5aa55562d8ba2625e9abba00_JC.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\NEAS.9078cdef5aa55562d8ba2625e9abba00_JC.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\NEAS.9078cdef5aa55562d8ba2625e9abba00_JC.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\NEAS.9078cdef5aa55562d8ba2625e9abba00_JC.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\NEAS.9078cdef5aa55562d8ba2625e9abba00_JC.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\NEAS.9078cdef5aa55562d8ba2625e9abba00_JC.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\NEAS.9078cdef5aa55562d8ba2625e9abba00_JC.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\NEAS.9078cdef5aa55562d8ba2625e9abba00_JC.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\NEAS.9078cdef5aa55562d8ba2625e9abba00_JC.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.9078cdef5aa55562d8ba2625e9abba00_JC.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.9078cdef5aa55562d8ba2625e9abba00_JC.exe"

Network

N/A

Files

memory/2348-0-0x0000000000940000-0x000000000094A000-memory.dmp

memory/2348-1-0x000007FEF5290000-0x000007FEF5C7C000-memory.dmp

memory/2348-2-0x000007FEF5290000-0x000007FEF5C7C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-28 06:21

Reported

2023-10-28 06:23

Platform

win10v2004-20231020-en

Max time kernel

142s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.9078cdef5aa55562d8ba2625e9abba00_JC.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
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\NEAS.9078cdef5aa55562d8ba2625e9abba00_JC.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\NEAS.9078cdef5aa55562d8ba2625e9abba00_JC.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\NEAS.9078cdef5aa55562d8ba2625e9abba00_JC.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\NEAS.9078cdef5aa55562d8ba2625e9abba00_JC.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\NEAS.9078cdef5aa55562d8ba2625e9abba00_JC.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\NEAS.9078cdef5aa55562d8ba2625e9abba00_JC.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:\Users\Admin\AppData\Local\Temp\NEAS.9078cdef5aa55562d8ba2625e9abba00_JC.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\NEAS.9078cdef5aa55562d8ba2625e9abba00_JC.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.9078cdef5aa55562d8ba2625e9abba00_JC.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.9078cdef5aa55562d8ba2625e9abba00_JC.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 39.142.81.104.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 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 123.10.44.20.in-addr.arpa udp

Files

memory/3960-0-0x0000000000F80000-0x0000000000F8A000-memory.dmp

memory/3960-1-0x00007FFDF3B50000-0x00007FFDF4611000-memory.dmp

memory/3960-3-0x00007FFDF3B50000-0x00007FFDF4611000-memory.dmp