Analysis Overview
SHA256
bf12d7893c50c8135f7da7ce8b7fa57d84e279e01558fafa331a2f4b9d06149e
Threat Level: Known bad
The file bf12d7893c50c8135f7da7ce8b7fa57d84e279e01558fafa331a2f4b9d06149e was found to be: Known bad.
Malicious Activity Summary
Floxif, Floodfix
Detects Floxif payload
UPX packed file
ACProtect 1.3x - 1.4x DLL software
Loads dropped DLL
Enumerates connected drives
Drops file in System32 directory
Drops file in Program Files directory
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
2024-07-28 03:43
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-28 03:43
Reported
2024-07-28 03:46
Platform
win7-20240705-en
Max time kernel
148s
Max time network
125s
Command Line
Signatures
Floxif, Floodfix
Detects Floxif payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
ACProtect 1.3x - 1.4x DLL software
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bf12d7893c50c8135f7da7ce8b7fa57d84e279e01558fafa331a2f4b9d06149e.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\e: | C:\Users\Admin\AppData\Local\Temp\bf12d7893c50c8135f7da7ce8b7fa57d84e279e01558fafa331a2f4b9d06149e.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Common Files\System\symsrv.dll | C:\Users\Admin\AppData\Local\Temp\bf12d7893c50c8135f7da7ce8b7fa57d84e279e01558fafa331a2f4b9d06149e.exe | N/A |
| File created | \??\c:\program files\common files\system\symsrv.dll.000 | C:\Users\Admin\AppData\Local\Temp\bf12d7893c50c8135f7da7ce8b7fa57d84e279e01558fafa331a2f4b9d06149e.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\bf12d7893c50c8135f7da7ce8b7fa57d84e279e01558fafa331a2f4b9d06149e.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\bf12d7893c50c8135f7da7ce8b7fa57d84e279e01558fafa331a2f4b9d06149e.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 588 wrote to memory of 2316 | N/A | C:\Users\Admin\AppData\Local\Temp\bf12d7893c50c8135f7da7ce8b7fa57d84e279e01558fafa331a2f4b9d06149e.exe | C:\Windows\splwow64.exe |
| PID 588 wrote to memory of 2316 | N/A | C:\Users\Admin\AppData\Local\Temp\bf12d7893c50c8135f7da7ce8b7fa57d84e279e01558fafa331a2f4b9d06149e.exe | C:\Windows\splwow64.exe |
| PID 588 wrote to memory of 2316 | N/A | C:\Users\Admin\AppData\Local\Temp\bf12d7893c50c8135f7da7ce8b7fa57d84e279e01558fafa331a2f4b9d06149e.exe | C:\Windows\splwow64.exe |
| PID 588 wrote to memory of 2316 | N/A | C:\Users\Admin\AppData\Local\Temp\bf12d7893c50c8135f7da7ce8b7fa57d84e279e01558fafa331a2f4b9d06149e.exe | C:\Windows\splwow64.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\bf12d7893c50c8135f7da7ce8b7fa57d84e279e01558fafa331a2f4b9d06149e.exe
"C:\Users\Admin\AppData\Local\Temp\bf12d7893c50c8135f7da7ce8b7fa57d84e279e01558fafa331a2f4b9d06149e.exe"
C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 5isohu.com | udp |
| US | 8.8.8.8:53 | www.aieov.com | udp |
| US | 45.33.2.79:80 | www.aieov.com | tcp |
| US | 45.33.2.79:80 | www.aieov.com | tcp |
| US | 45.33.2.79:80 | www.aieov.com | tcp |
| US | 45.33.2.79:80 | www.aieov.com | tcp |
| US | 45.33.2.79:80 | www.aieov.com | tcp |
| US | 45.33.2.79:80 | www.aieov.com | tcp |
Files
memory/588-3-0x0000000010000000-0x0000000010030000-memory.dmp
\Program Files\Common Files\System\symsrv.dll
| MD5 | 7574cf2c64f35161ab1292e2f532aabf |
| SHA1 | 14ba3fa927a06224dfe587014299e834def4644f |
| SHA256 | de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085 |
| SHA512 | 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab |
memory/588-12-0x0000000010000000-0x0000000010030000-memory.dmp
memory/588-11-0x0000000000400000-0x0000000000B93000-memory.dmp
memory/588-16-0x0000000010000000-0x0000000010030000-memory.dmp
memory/588-15-0x0000000000400000-0x0000000000B93000-memory.dmp
memory/588-20-0x0000000010000000-0x0000000010030000-memory.dmp
memory/588-19-0x0000000000400000-0x0000000000B93000-memory.dmp
memory/588-24-0x0000000010000000-0x0000000010030000-memory.dmp
memory/588-23-0x0000000000400000-0x0000000000B93000-memory.dmp
C:\Program Files\Common Files\System\symsrv.dll.000
| MD5 | 1130c911bf5db4b8f7cf9b6f4b457623 |
| SHA1 | 48e734c4bc1a8b5399bff4954e54b268bde9d54c |
| SHA256 | eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1 |
| SHA512 | 94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0 |
memory/588-28-0x0000000010000000-0x0000000010030000-memory.dmp
memory/588-27-0x0000000000400000-0x0000000000B93000-memory.dmp
memory/588-32-0x0000000010000000-0x0000000010030000-memory.dmp
memory/588-31-0x0000000000400000-0x0000000000B93000-memory.dmp
memory/588-33-0x0000000000400000-0x0000000000B93000-memory.dmp
memory/588-35-0x0000000000400000-0x0000000000B93000-memory.dmp
memory/588-37-0x0000000000400000-0x0000000000B93000-memory.dmp
memory/588-39-0x0000000000400000-0x0000000000B93000-memory.dmp
memory/588-41-0x0000000000400000-0x0000000000B93000-memory.dmp
memory/588-43-0x0000000000400000-0x0000000000B93000-memory.dmp
memory/588-45-0x0000000000400000-0x0000000000B93000-memory.dmp
memory/588-47-0x0000000000400000-0x0000000000B93000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-28 03:43
Reported
2024-07-28 03:46
Platform
win10v2004-20240704-en
Max time kernel
143s
Max time network
130s
Command Line
Signatures
Floxif, Floodfix
Detects Floxif payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
ACProtect 1.3x - 1.4x DLL software
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bf12d7893c50c8135f7da7ce8b7fa57d84e279e01558fafa331a2f4b9d06149e.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\e: | C:\Users\Admin\AppData\Local\Temp\bf12d7893c50c8135f7da7ce8b7fa57d84e279e01558fafa331a2f4b9d06149e.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\system32\FxsTmp\fxsB0C2.tmp | C:\Windows\splwow64.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | \??\c:\program files\common files\system\symsrv.dll.000 | C:\Users\Admin\AppData\Local\Temp\bf12d7893c50c8135f7da7ce8b7fa57d84e279e01558fafa331a2f4b9d06149e.exe | N/A |
| File created | C:\Program Files\Common Files\System\symsrv.dll | C:\Users\Admin\AppData\Local\Temp\bf12d7893c50c8135f7da7ce8b7fa57d84e279e01558fafa331a2f4b9d06149e.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\bf12d7893c50c8135f7da7ce8b7fa57d84e279e01558fafa331a2f4b9d06149e.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\bf12d7893c50c8135f7da7ce8b7fa57d84e279e01558fafa331a2f4b9d06149e.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3640 wrote to memory of 5084 | N/A | C:\Users\Admin\AppData\Local\Temp\bf12d7893c50c8135f7da7ce8b7fa57d84e279e01558fafa331a2f4b9d06149e.exe | C:\Windows\splwow64.exe |
| PID 3640 wrote to memory of 5084 | N/A | C:\Users\Admin\AppData\Local\Temp\bf12d7893c50c8135f7da7ce8b7fa57d84e279e01558fafa331a2f4b9d06149e.exe | C:\Windows\splwow64.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\bf12d7893c50c8135f7da7ce8b7fa57d84e279e01558fafa331a2f4b9d06149e.exe
"C:\Users\Admin\AppData\Local\Temp\bf12d7893c50c8135f7da7ce8b7fa57d84e279e01558fafa331a2f4b9d06149e.exe"
C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5isohu.com | udp |
| US | 8.8.8.8:53 | www.aieov.com | udp |
| US | 45.33.2.79:80 | www.aieov.com | tcp |
| US | 8.8.8.8:53 | 79.2.33.45.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5isohu.com | udp |
| US | 45.33.2.79:80 | www.aieov.com | tcp |
| US | 8.8.8.8:53 | 5isohu.com | udp |
| US | 45.33.2.79:80 | www.aieov.com | tcp |
| US | 8.8.8.8:53 | 5isohu.com | udp |
| US | 45.33.2.79:80 | www.aieov.com | tcp |
| US | 45.33.2.79:80 | www.aieov.com | tcp |
| US | 8.8.8.8:53 | 5isohu.com | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 45.33.2.79:80 | www.aieov.com | tcp |
| US | 8.8.8.8:53 | 5isohu.com | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
Files
C:\Program Files\Common Files\System\symsrv.dll
| MD5 | 7574cf2c64f35161ab1292e2f532aabf |
| SHA1 | 14ba3fa927a06224dfe587014299e834def4644f |
| SHA256 | de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085 |
| SHA512 | 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab |
memory/3640-4-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3640-13-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3640-12-0x0000000000400000-0x0000000000B93000-memory.dmp
memory/3640-19-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3640-18-0x0000000000400000-0x0000000000B93000-memory.dmp
C:\Program Files\Common Files\System\symsrv.dll.000
| MD5 | 1130c911bf5db4b8f7cf9b6f4b457623 |
| SHA1 | 48e734c4bc1a8b5399bff4954e54b268bde9d54c |
| SHA256 | eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1 |
| SHA512 | 94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0 |
memory/3640-25-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3640-26-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3640-24-0x0000000000400000-0x0000000000B93000-memory.dmp
memory/3640-30-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3640-29-0x0000000000400000-0x0000000000B93000-memory.dmp
memory/3640-31-0x0000000000400000-0x0000000000B93000-memory.dmp
memory/3640-33-0x0000000000400000-0x0000000000B93000-memory.dmp
memory/3640-35-0x0000000000400000-0x0000000000B93000-memory.dmp
memory/3640-37-0x0000000000400000-0x0000000000B93000-memory.dmp
memory/3640-39-0x0000000000400000-0x0000000000B93000-memory.dmp
memory/3640-41-0x0000000000400000-0x0000000000B93000-memory.dmp
memory/3640-42-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3640-43-0x0000000000400000-0x0000000000B93000-memory.dmp
memory/3640-45-0x0000000000400000-0x0000000000B93000-memory.dmp
memory/3640-47-0x0000000000400000-0x0000000000B93000-memory.dmp
memory/3640-49-0x0000000000400000-0x0000000000B93000-memory.dmp