Analysis Overview
SHA256
dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6
Threat Level: Known bad
The file dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe was found to be: Known bad.
Malicious Activity Summary
Modifies Windows Defender Real-time Protection settings
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Checks BIOS information in registry
Identifies Wine through registry keys
Windows security modification
Suspicious use of NtSetInformationThreadHideFromDebugger
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-04 02:58
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-04 02:58
Reported
2024-11-04 03:01
Platform
win10v2004-20241007-en
Max time kernel
135s
Max time network
143s
Command Line
Signatures
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\DisableOnAccessProtection = "1" | C:\Users\Admin\AppData\Local\Temp\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.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\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.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\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection | C:\Users\Admin\AppData\Local\Temp\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.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\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.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\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe | N/A |
Identifies VirtualBox via ACPI registry values (likely anti-VM)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Local\Temp\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe | N/A |
Identifies Wine through registry keys
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine | C:\Users\Admin\AppData\Local\Temp\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features | C:\Users\Admin\AppData\Local\Temp\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" | C:\Users\Admin\AppData\Local\Temp\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe | N/A |
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\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe
"C:\Users\Admin\AppData\Local\Temp\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.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 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
Files
memory/3468-0-0x00000000005E0000-0x0000000000886000-memory.dmp
memory/3468-1-0x00000000005E0000-0x0000000000886000-memory.dmp
memory/3468-2-0x00000000005E0000-0x0000000000886000-memory.dmp
memory/3468-4-0x00000000005E0000-0x0000000000886000-memory.dmp
memory/3468-7-0x00000000005E0000-0x0000000000886000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-04 02:58
Reported
2024-11-04 03:01
Platform
win7-20240903-en
Max time kernel
122s
Max time network
124s
Command Line
Signatures
Modifies Windows Defender Real-time Protection settings
| 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\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" | C:\Users\Admin\AppData\Local\Temp\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" | C:\Users\Admin\AppData\Local\Temp\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" | C:\Users\Admin\AppData\Local\Temp\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection | C:\Users\Admin\AppData\Local\Temp\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" | C:\Users\Admin\AppData\Local\Temp\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe | N/A |
Identifies VirtualBox via ACPI registry values (likely anti-VM)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Local\Temp\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe | N/A |
Identifies Wine through registry keys
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine | C:\Users\Admin\AppData\Local\Temp\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features | C:\Users\Admin\AppData\Local\Temp\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" | C:\Users\Admin\AppData\Local\Temp\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe | N/A |
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\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe
"C:\Users\Admin\AppData\Local\Temp\dcb1c01555ff4e4abebfb41e0ab88f80f160ccdfad90dba7cf006155b2d928e6.exe"
Network
Files
memory/2720-0-0x0000000001130000-0x00000000013D6000-memory.dmp
memory/2720-1-0x0000000001130000-0x00000000013D6000-memory.dmp
memory/2720-2-0x0000000001130000-0x00000000013D6000-memory.dmp
memory/2720-4-0x0000000001130000-0x00000000013D6000-memory.dmp
memory/2720-6-0x0000000001130000-0x00000000013D6000-memory.dmp