Analysis Overview
SHA256
e714557aa665651045795c747d9b0faec60863c27edd579c7d6ed75bb33b94f1
Threat Level: Known bad
The file ff519023357a9cc5bb731d798de2f6b6.bin was found to be: Known bad.
Malicious Activity Summary
BumbleBee
Suspicious use of NtCreateThreadExHideFromDebugger
Drops file in System32 directory
Unsigned PE
Checks processor information in registry
Enumerates system info in registry
Uses Task Scheduler COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-09-15 01:56
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-15 01:56
Reported
2023-09-15 01:59
Platform
win7-20230831-en
Max time kernel
140s
Max time network
149s
Command Line
Signatures
BumbleBee
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ff519023357a9cc5bb731d798de2f6b6.dll
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | v5b6ml4o0nq.life | udp |
| DE | 116.203.151.240:443 | v5b6ml4o0nq.life | tcp |
| DE | 116.203.151.240:443 | v5b6ml4o0nq.life | tcp |
| DE | 116.203.151.240:443 | v5b6ml4o0nq.life | tcp |
| DE | 116.203.151.240:443 | v5b6ml4o0nq.life | tcp |
Files
memory/2956-0-0x0000000001E20000-0x0000000001E99000-memory.dmp
memory/2956-1-0x00000000778F0000-0x0000000077A99000-memory.dmp
memory/2956-2-0x0000000001FB0000-0x00000000020BA000-memory.dmp
memory/2956-4-0x00000000778F0000-0x0000000077A99000-memory.dmp
memory/2956-5-0x0000000001FB0000-0x00000000020BA000-memory.dmp
memory/2956-6-0x0000000001FB0000-0x00000000020BA000-memory.dmp
memory/2956-7-0x0000000001E20000-0x0000000001E99000-memory.dmp
memory/2956-8-0x00000000778F0000-0x0000000077A99000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-09-15 01:56
Reported
2023-09-15 01:59
Platform
win10v2004-20230831-en
Max time kernel
144s
Max time network
155s
Command Line
Signatures
BumbleBee
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{EFFC5A7F-5C8D-447A-9371-72C2BFBFB39F}.catalogItem | C:\Windows\System32\svchost.exe | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Windows\System32\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\System32\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\System32\svchost.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Windows\System32\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Windows\System32\svchost.exe | N/A |
Uses Task Scheduler COM API
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ff519023357a9cc5bb731d798de2f6b6.dll
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.202.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | v5b6ml4o0nq.life | udp |
| DE | 116.203.151.240:443 | v5b6ml4o0nq.life | tcp |
| US | 8.8.8.8:53 | 240.151.203.116.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 | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.81.21.72.in-addr.arpa | udp |
| DE | 116.203.151.240:443 | v5b6ml4o0nq.life | tcp |
| US | 8.8.8.8:53 | 1.208.79.178.in-addr.arpa | udp |
| DE | 116.203.151.240:443 | v5b6ml4o0nq.life | tcp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| DE | 116.203.151.240:443 | v5b6ml4o0nq.life | tcp |
| US | 8.8.8.8:53 | 8.179.89.13.in-addr.arpa | udp |
Files
memory/1464-1-0x0000000002910000-0x0000000002989000-memory.dmp
memory/1464-3-0x0000000002AB0000-0x0000000002BBA000-memory.dmp
memory/1464-4-0x00007FFC0D610000-0x00007FFC0D805000-memory.dmp
memory/1464-2-0x0000000002AB0000-0x0000000002BBA000-memory.dmp
memory/1464-6-0x0000000002AB0000-0x0000000002BBA000-memory.dmp
memory/1464-7-0x00007FFC0D610000-0x00007FFC0D805000-memory.dmp
memory/1464-5-0x00007FFC0D610000-0x00007FFC0D805000-memory.dmp
memory/1464-8-0x00007FFC0D610000-0x00007FFC0D805000-memory.dmp
memory/1464-9-0x00007FFC0D610000-0x00007FFC0D805000-memory.dmp
memory/1464-10-0x00007FFC0D610000-0x00007FFC0D805000-memory.dmp
memory/1464-11-0x0000000002AB0000-0x0000000002BBA000-memory.dmp
memory/1464-18-0x0000000002910000-0x0000000002989000-memory.dmp
memory/1464-19-0x00007FFC0D610000-0x00007FFC0D805000-memory.dmp