Malware Analysis Report

2024-10-16 03:51

Sample ID 240507-zhay8aeg81
Target 2b43e25a7dccb9cc67de6756e29b86b0_NEIKI
SHA256 1268bf4ecb4df18a18e265cf7498ec0c0e3f30c580abed8d233e30ab0eb59a12
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

1268bf4ecb4df18a18e265cf7498ec0c0e3f30c580abed8d233e30ab0eb59a12

Threat Level: Known bad

The file 2b43e25a7dccb9cc67de6756e29b86b0_NEIKI was found to be: Known bad.

Malicious Activity Summary

healer dropper evasion trojan

Detects Healer an antivirus disabler dropper

Healer

Modifies Windows Defender Real-time Protection settings

Windows security modification

Program crash

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-07 20:42

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-05-07 20:42

Reported

2024-05-07 20:45

Platform

win7-20231129-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2b43e25a7dccb9cc67de6756e29b86b0_NEIKI.exe"

Signatures

Detects Healer an antivirus disabler dropper

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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\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\2b43e25a7dccb9cc67de6756e29b86b0_NEIKI.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\2b43e25a7dccb9cc67de6756e29b86b0_NEIKI.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\2b43e25a7dccb9cc67de6756e29b86b0_NEIKI.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\2b43e25a7dccb9cc67de6756e29b86b0_NEIKI.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\2b43e25a7dccb9cc67de6756e29b86b0_NEIKI.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\2b43e25a7dccb9cc67de6756e29b86b0_NEIKI.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\2b43e25a7dccb9cc67de6756e29b86b0_NEIKI.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\2b43e25a7dccb9cc67de6756e29b86b0_NEIKI.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2b43e25a7dccb9cc67de6756e29b86b0_NEIKI.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2b43e25a7dccb9cc67de6756e29b86b0_NEIKI.exe

"C:\Users\Admin\AppData\Local\Temp\2b43e25a7dccb9cc67de6756e29b86b0_NEIKI.exe"

Network

N/A

Files

memory/2360-1-0x0000000002C60000-0x0000000002D60000-memory.dmp

memory/2360-2-0x0000000000220000-0x000000000024D000-memory.dmp

memory/2360-3-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2360-4-0x0000000000370000-0x000000000038A000-memory.dmp

memory/2360-5-0x0000000002C30000-0x0000000002C48000-memory.dmp

memory/2360-13-0x0000000002C30000-0x0000000002C43000-memory.dmp

memory/2360-33-0x0000000002C30000-0x0000000002C43000-memory.dmp

memory/2360-34-0x0000000000400000-0x0000000002B9B000-memory.dmp

memory/2360-31-0x0000000002C30000-0x0000000002C43000-memory.dmp

memory/2360-29-0x0000000002C30000-0x0000000002C43000-memory.dmp

memory/2360-27-0x0000000002C30000-0x0000000002C43000-memory.dmp

memory/2360-25-0x0000000002C30000-0x0000000002C43000-memory.dmp

memory/2360-23-0x0000000002C30000-0x0000000002C43000-memory.dmp

memory/2360-21-0x0000000002C30000-0x0000000002C43000-memory.dmp

memory/2360-19-0x0000000002C30000-0x0000000002C43000-memory.dmp

memory/2360-17-0x0000000002C30000-0x0000000002C43000-memory.dmp

memory/2360-15-0x0000000002C30000-0x0000000002C43000-memory.dmp

memory/2360-11-0x0000000002C30000-0x0000000002C43000-memory.dmp

memory/2360-9-0x0000000002C30000-0x0000000002C43000-memory.dmp

memory/2360-7-0x0000000002C30000-0x0000000002C43000-memory.dmp

memory/2360-6-0x0000000002C30000-0x0000000002C43000-memory.dmp

memory/2360-38-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2360-36-0x0000000000400000-0x0000000002B9B000-memory.dmp

memory/2360-37-0x0000000000220000-0x000000000024D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-07 20:42

Reported

2024-05-07 20:45

Platform

win10v2004-20240426-en

Max time kernel

143s

Max time network

109s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2b43e25a7dccb9cc67de6756e29b86b0_NEIKI.exe"

Signatures

Detects Healer an antivirus disabler dropper

Description Indicator Process Target
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Healer

dropper 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\2b43e25a7dccb9cc67de6756e29b86b0_NEIKI.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\2b43e25a7dccb9cc67de6756e29b86b0_NEIKI.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\2b43e25a7dccb9cc67de6756e29b86b0_NEIKI.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\2b43e25a7dccb9cc67de6756e29b86b0_NEIKI.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\2b43e25a7dccb9cc67de6756e29b86b0_NEIKI.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\2b43e25a7dccb9cc67de6756e29b86b0_NEIKI.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\2b43e25a7dccb9cc67de6756e29b86b0_NEIKI.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\2b43e25a7dccb9cc67de6756e29b86b0_NEIKI.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2b43e25a7dccb9cc67de6756e29b86b0_NEIKI.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2b43e25a7dccb9cc67de6756e29b86b0_NEIKI.exe

"C:\Users\Admin\AppData\Local\Temp\2b43e25a7dccb9cc67de6756e29b86b0_NEIKI.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2636 -ip 2636

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2636 -s 968

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
NL 23.62.61.155:443 www.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 155.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 100.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/2636-1-0x0000000002D80000-0x0000000002E80000-memory.dmp

memory/2636-3-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2636-2-0x0000000002D00000-0x0000000002D2D000-memory.dmp

memory/2636-4-0x0000000004DA0000-0x0000000004DBA000-memory.dmp

memory/2636-5-0x0000000007420000-0x00000000079C4000-memory.dmp

memory/2636-6-0x0000000007280000-0x0000000007298000-memory.dmp

memory/2636-7-0x0000000000400000-0x0000000002B9B000-memory.dmp

memory/2636-35-0x0000000007280000-0x0000000007293000-memory.dmp

memory/2636-33-0x0000000007280000-0x0000000007293000-memory.dmp

memory/2636-31-0x0000000007280000-0x0000000007293000-memory.dmp

memory/2636-29-0x0000000007280000-0x0000000007293000-memory.dmp

memory/2636-27-0x0000000007280000-0x0000000007293000-memory.dmp

memory/2636-25-0x0000000007280000-0x0000000007293000-memory.dmp

memory/2636-23-0x0000000007280000-0x0000000007293000-memory.dmp

memory/2636-21-0x0000000007280000-0x0000000007293000-memory.dmp

memory/2636-19-0x0000000007280000-0x0000000007293000-memory.dmp

memory/2636-17-0x0000000007280000-0x0000000007293000-memory.dmp

memory/2636-15-0x0000000007280000-0x0000000007293000-memory.dmp

memory/2636-13-0x0000000007280000-0x0000000007293000-memory.dmp

memory/2636-11-0x0000000007280000-0x0000000007293000-memory.dmp

memory/2636-9-0x0000000007280000-0x0000000007293000-memory.dmp

memory/2636-8-0x0000000007280000-0x0000000007293000-memory.dmp

memory/2636-39-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2636-37-0x0000000000400000-0x0000000002B9B000-memory.dmp