Analysis Overview
SHA256
b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f
Threat Level: Known bad
The file b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f was found to be: Known bad.
Malicious Activity Summary
Detects Healer an antivirus disabler dropper
Modifies Windows Defender Real-time Protection settings
Healer
Detects executables embedding registry key / value combination indicative of disabling Windows Defender features
Windows security modification
Launches sc.exe
Program crash
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-04 01:51
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
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Analysis: behavioral2
Detonation Overview
Submitted
2024-05-04 01:51
Reported
2024-05-04 01:54
Platform
win10v2004-20240419-en
Max time kernel
133s
Max time network
102s
Command Line
Signatures
Detects Healer an antivirus disabler dropper
| Description | Indicator | Process | Target |
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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\DisableRealtimeMonitoring = "1" | C:\Users\Admin\AppData\Local\Temp\b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f.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\b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection | C:\Users\Admin\AppData\Local\Temp\b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f.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\b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f.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\b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f.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\b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f.exe | N/A |
Detects executables embedding registry key / value combination indicative of disabling Windows Defender features
| Description | Indicator | Process | Target |
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Windows security modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features | C:\Users\Admin\AppData\Local\Temp\b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" | C:\Users\Admin\AppData\Local\Temp\b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f.exe | N/A |
Launches sc.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\sc.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f.exe
"C:\Users\Admin\AppData\Local\Temp\b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4052 -ip 4052
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4052 -s 884
C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
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 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.251.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
Files
memory/4052-1-0x0000000000510000-0x0000000000610000-memory.dmp
memory/4052-3-0x0000000000400000-0x0000000000430000-memory.dmp
memory/4052-2-0x00000000020E0000-0x000000000210D000-memory.dmp
memory/4052-4-0x0000000000400000-0x00000000004CD000-memory.dmp
memory/4052-5-0x00000000023D0000-0x00000000023EA000-memory.dmp
memory/4052-6-0x0000000004CA0000-0x0000000005244000-memory.dmp
memory/4052-7-0x0000000004BA0000-0x0000000004BB8000-memory.dmp
memory/4052-27-0x0000000004BA0000-0x0000000004BB3000-memory.dmp
memory/4052-33-0x0000000004BA0000-0x0000000004BB3000-memory.dmp
memory/4052-31-0x0000000004BA0000-0x0000000004BB3000-memory.dmp
memory/4052-29-0x0000000004BA0000-0x0000000004BB3000-memory.dmp
memory/4052-25-0x0000000004BA0000-0x0000000004BB3000-memory.dmp
memory/4052-23-0x0000000004BA0000-0x0000000004BB3000-memory.dmp
memory/4052-21-0x0000000004BA0000-0x0000000004BB3000-memory.dmp
memory/4052-35-0x0000000004BA0000-0x0000000004BB3000-memory.dmp
memory/4052-19-0x0000000004BA0000-0x0000000004BB3000-memory.dmp
memory/4052-18-0x0000000004BA0000-0x0000000004BB3000-memory.dmp
memory/4052-15-0x0000000004BA0000-0x0000000004BB3000-memory.dmp
memory/4052-13-0x0000000004BA0000-0x0000000004BB3000-memory.dmp
memory/4052-11-0x0000000004BA0000-0x0000000004BB3000-memory.dmp
memory/4052-9-0x0000000004BA0000-0x0000000004BB3000-memory.dmp
memory/4052-8-0x0000000004BA0000-0x0000000004BB3000-memory.dmp
memory/4052-38-0x0000000000400000-0x00000000004CD000-memory.dmp
memory/4052-39-0x0000000000400000-0x0000000000430000-memory.dmp
memory/4052-40-0x00000000020E0000-0x000000000210D000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-04 01:51
Reported
2024-05-04 01:54
Platform
win7-20240215-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
Detects Healer an antivirus disabler dropper
| Description | Indicator | Process | Target |
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Healer
Modifies Windows Defender Real-time Protection settings
| 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\b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" | C:\Users\Admin\AppData\Local\Temp\b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" | C:\Users\Admin\AppData\Local\Temp\b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" | C:\Users\Admin\AppData\Local\Temp\b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" | C:\Users\Admin\AppData\Local\Temp\b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection | C:\Users\Admin\AppData\Local\Temp\b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f.exe | N/A |
Detects executables embedding registry key / value combination indicative of disabling Windows Defender features
| Description | Indicator | Process | Target |
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Windows security modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features | C:\Users\Admin\AppData\Local\Temp\b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" | C:\Users\Admin\AppData\Local\Temp\b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f.exe
"C:\Users\Admin\AppData\Local\Temp\b1f32f0f87a005e43c6e2a02991c465234987aa76046e5a5002714a50098f08f.exe"
Network
Files
memory/1268-1-0x0000000000540000-0x0000000000640000-memory.dmp
memory/1268-2-0x00000000002A0000-0x00000000002CD000-memory.dmp
memory/1268-3-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1268-4-0x0000000000400000-0x00000000004CD000-memory.dmp
memory/1268-5-0x0000000000390000-0x00000000003AA000-memory.dmp
memory/1268-6-0x0000000000520000-0x0000000000538000-memory.dmp
memory/1268-12-0x0000000000520000-0x0000000000533000-memory.dmp
memory/1268-7-0x0000000000520000-0x0000000000533000-memory.dmp
memory/1268-20-0x0000000000520000-0x0000000000533000-memory.dmp
memory/1268-8-0x0000000000520000-0x0000000000533000-memory.dmp
memory/1268-30-0x0000000000520000-0x0000000000533000-memory.dmp
memory/1268-14-0x0000000000520000-0x0000000000533000-memory.dmp
memory/1268-18-0x0000000000520000-0x0000000000533000-memory.dmp
memory/1268-26-0x0000000000520000-0x0000000000533000-memory.dmp
memory/1268-34-0x0000000000520000-0x0000000000533000-memory.dmp
memory/1268-32-0x0000000000520000-0x0000000000533000-memory.dmp
memory/1268-28-0x0000000000520000-0x0000000000533000-memory.dmp
memory/1268-24-0x0000000000520000-0x0000000000533000-memory.dmp
memory/1268-22-0x0000000000520000-0x0000000000533000-memory.dmp
memory/1268-16-0x0000000000520000-0x0000000000533000-memory.dmp
memory/1268-10-0x0000000000520000-0x0000000000533000-memory.dmp
memory/1268-35-0x0000000000540000-0x0000000000640000-memory.dmp
memory/1268-38-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1268-37-0x00000000002A0000-0x00000000002CD000-memory.dmp
memory/1268-36-0x0000000000400000-0x00000000004CD000-memory.dmp