Analysis Overview
SHA256
4a0db7af638dba033f0b2e4bde322e8f505b8823f24d9c5655745a6ab438b15d
Threat Level: Known bad
The file 4a0db7af638dba033f0b2e4bde322e8f505b8823f24d9c5655745a6ab438b15d was found to be: Known bad.
Malicious Activity Summary
Healer
Healer family
Detects Healer an antivirus disabler dropper
Modifies Windows Defender Real-time Protection settings
Executes dropped EXE
Windows security modification
Adds Run key to start application
Program crash
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-09 21:56
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
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Analysis: behavioral1
Detonation Overview
Submitted
2024-11-09 21:56
Reported
2024-11-09 21:59
Platform
win10v2004-20241007-en
Max time kernel
94s
Max time network
139s
Command Line
Signatures
Detects Healer an antivirus disabler dropper
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Healer
Healer family
Modifies Windows Defender Real-time Protection settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c10wa93.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\c10wa93.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\c10wa93.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1058OO.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1058OO.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1058OO.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1058OO.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\c10wa93.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\c10wa93.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\c10wa93.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1058OO.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1058OO.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1058OO.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c10wa93.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1058OO.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c10wa93.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c10wa93.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\4a0db7af638dba033f0b2e4bde322e8f505b8823f24d9c5655745a6ab438b15d.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\c10wa93.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\4a0db7af638dba033f0b2e4bde322e8f505b8823f24d9c5655745a6ab438b15d.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c10wa93.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1058OO.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1058OO.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c10wa93.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c10wa93.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1058OO.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c10wa93.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4a0db7af638dba033f0b2e4bde322e8f505b8823f24d9c5655745a6ab438b15d.exe
"C:\Users\Admin\AppData\Local\Temp\4a0db7af638dba033f0b2e4bde322e8f505b8823f24d9c5655745a6ab438b15d.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1058OO.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1058OO.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c10wa93.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c10wa93.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4812 -ip 4812
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4812 -s 1080
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1058OO.exe
| MD5 | 7e93bacbbc33e6652e147e7fe07572a0 |
| SHA1 | 421a7167da01c8da4dc4d5234ca3dd84e319e762 |
| SHA256 | 850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38 |
| SHA512 | 250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91 |
memory/1652-7-0x00007FFE75B93000-0x00007FFE75B95000-memory.dmp
memory/1652-8-0x0000000000780000-0x000000000078A000-memory.dmp
memory/1652-9-0x00007FFE75B93000-0x00007FFE75B95000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c10wa93.exe
| MD5 | c71311b2e2a54cc259841ca90ab54065 |
| SHA1 | 74b6266612a0d4228389880390baae62a180d33f |
| SHA256 | d9d8fd03a4cecf2fee653829f2339bbc0f71f4851f5b94b558f9f608dd22c905 |
| SHA512 | b58e289b122ad3bb72d60cea505df1ea5c2431ee3675db73b069eb2100303c5250dd75705fec8db991edb818324c1455633ad81f9ff507dbe8b2b05871834404 |
memory/4812-15-0x0000000002E30000-0x0000000002F30000-memory.dmp
memory/4812-16-0x0000000000400000-0x0000000000430000-memory.dmp
memory/4812-17-0x0000000000400000-0x0000000002B03000-memory.dmp
memory/4812-18-0x0000000004980000-0x000000000499A000-memory.dmp
memory/4812-19-0x00000000071E0000-0x0000000007784000-memory.dmp
memory/4812-20-0x0000000004C70000-0x0000000004C88000-memory.dmp
memory/4812-21-0x0000000004C70000-0x0000000004C82000-memory.dmp
memory/4812-22-0x0000000004C70000-0x0000000004C82000-memory.dmp
memory/4812-24-0x0000000004C70000-0x0000000004C82000-memory.dmp
memory/4812-26-0x0000000004C70000-0x0000000004C82000-memory.dmp
memory/4812-48-0x0000000004C70000-0x0000000004C82000-memory.dmp
memory/4812-46-0x0000000004C70000-0x0000000004C82000-memory.dmp
memory/4812-45-0x0000000004C70000-0x0000000004C82000-memory.dmp
memory/4812-42-0x0000000004C70000-0x0000000004C82000-memory.dmp
memory/4812-38-0x0000000004C70000-0x0000000004C82000-memory.dmp
memory/4812-37-0x0000000004C70000-0x0000000004C82000-memory.dmp
memory/4812-34-0x0000000004C70000-0x0000000004C82000-memory.dmp
memory/4812-32-0x0000000004C70000-0x0000000004C82000-memory.dmp
memory/4812-30-0x0000000004C70000-0x0000000004C82000-memory.dmp
memory/4812-40-0x0000000004C70000-0x0000000004C82000-memory.dmp
memory/4812-28-0x0000000004C70000-0x0000000004C82000-memory.dmp
memory/4812-49-0x0000000002E30000-0x0000000002F30000-memory.dmp
memory/4812-50-0x0000000000400000-0x0000000000430000-memory.dmp
memory/4812-51-0x0000000000400000-0x0000000002B03000-memory.dmp
memory/4812-53-0x0000000000400000-0x0000000002B03000-memory.dmp
memory/4812-54-0x0000000000400000-0x0000000000430000-memory.dmp