Analysis Overview
SHA256
cbf8f2acc34ea14921d1eea9ace5d4210dd2dcefd88b6fafae703f534b0c754c
Threat Level: Known bad
The file 99c1e668a3a66c8f50bb8a82732dc0e0_NEIKI was found to be: Known bad.
Malicious Activity Summary
Detects Healer an antivirus disabler dropper
Healer
Modifies Windows Defender Real-time Protection settings
Windows security modification
Executes dropped EXE
Adds Run key to start application
Program crash
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-08 01:45
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
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Analysis: behavioral1
Detonation Overview
Submitted
2024-05-08 01:45
Reported
2024-05-08 01:47
Platform
win10v2004-20240419-en
Max time kernel
134s
Max time network
103s
Command Line
Signatures
Detects Healer an antivirus disabler dropper
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Healer
Modifies Windows Defender Real-time Protection settings
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\122546449.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\IXP000.TMP\122546449.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\IXP000.TMP\237727250.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\IXP000.TMP\237727250.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\122546449.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\IXP000.TMP\122546449.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\IXP000.TMP\122546449.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\IXP000.TMP\122546449.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\IXP000.TMP\237727250.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\IXP000.TMP\237727250.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\IXP000.TMP\237727250.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\122546449.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\237727250.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\122546449.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\237727250.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\122546449.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" | C:\Users\Admin\AppData\Local\Temp\99c1e668a3a66c8f50bb8a82732dc0e0_NEIKI.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\237727250.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\122546449.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\122546449.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\237727250.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\237727250.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\122546449.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\237727250.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\99c1e668a3a66c8f50bb8a82732dc0e0_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\99c1e668a3a66c8f50bb8a82732dc0e0_NEIKI.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\122546449.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\122546449.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\237727250.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\237727250.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3852 -ip 3852
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3852 -s 1076
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 58.99.105.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 139.53.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 77.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.251.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.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
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\122546449.exe
| MD5 | 3d10b67208452d7a91d7bd7066067676 |
| SHA1 | e6c3ab7b6da65c8cc7dd95351f118caf3a50248d |
| SHA256 | 5c8ae96739bd9454a59e92b5eb6965647030e87453f7c417dbd7d53ebd837302 |
| SHA512 | b86d5ff4f55c90922a890401ae4301da7e71eb5e546a82536073cc58780ce55585214cff39ec9b52f70704580ad36c1fa95ebee1515dd2e7ea313cb670f2b4df |
memory/744-7-0x000000007447E000-0x000000007447F000-memory.dmp
memory/744-8-0x00000000024A0000-0x00000000024BA000-memory.dmp
memory/744-10-0x0000000004DC0000-0x0000000005364000-memory.dmp
memory/744-9-0x0000000074470000-0x0000000074C20000-memory.dmp
memory/744-11-0x0000000002670000-0x0000000002688000-memory.dmp
memory/744-12-0x0000000074470000-0x0000000074C20000-memory.dmp
memory/744-28-0x0000000002670000-0x0000000002683000-memory.dmp
memory/744-40-0x0000000002670000-0x0000000002683000-memory.dmp
memory/744-38-0x0000000002670000-0x0000000002683000-memory.dmp
memory/744-36-0x0000000002670000-0x0000000002683000-memory.dmp
memory/744-34-0x0000000002670000-0x0000000002683000-memory.dmp
memory/744-32-0x0000000002670000-0x0000000002683000-memory.dmp
memory/744-30-0x0000000002670000-0x0000000002683000-memory.dmp
memory/744-18-0x0000000002670000-0x0000000002683000-memory.dmp
memory/744-41-0x0000000074470000-0x0000000074C20000-memory.dmp
memory/744-16-0x0000000002670000-0x0000000002683000-memory.dmp
memory/744-14-0x0000000002670000-0x0000000002683000-memory.dmp
memory/744-13-0x0000000002670000-0x0000000002683000-memory.dmp
memory/744-26-0x0000000002670000-0x0000000002683000-memory.dmp
memory/744-24-0x0000000002670000-0x0000000002683000-memory.dmp
memory/744-22-0x0000000002670000-0x0000000002683000-memory.dmp
memory/744-20-0x0000000002670000-0x0000000002683000-memory.dmp
memory/744-43-0x0000000074470000-0x0000000074C20000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\237727250.exe
| MD5 | 633cf81cffb453329374d6629d50e149 |
| SHA1 | 39395eb9884146a608e654b6c40159e57d0a7504 |
| SHA256 | ae50b2a4e2701b1ff5c7616d1183cfbd5444e0e8c37ef77fe85e9ba702e948fa |
| SHA512 | 458be077270a50326e758044a541064b64de5c4c7642728e0ea82dde86f427af917858acac21dcb8f06daeb4f333d005969606d7e009ca74600e33b5077a45db |
memory/3852-77-0x0000000000400000-0x0000000002B99000-memory.dmp