Analysis Overview
SHA256
4da55823fe1586a107c1f322a0ba71a41bed1574c9b6c3bf4c35abc74d5440f2
Threat Level: Known bad
The file 51a533f61f989589110a7556570979e0N was found to be: Known bad.
Malicious Activity Summary
Floxif, Floodfix
Detects Floxif payload
ACProtect 1.3x - 1.4x DLL software
UPX packed file
Loads dropped DLL
Enumerates connected drives
Drops file in Program Files directory
Unsigned PE
System Location Discovery: System Language Discovery
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-14 18:58
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-14 18:58
Reported
2024-09-14 19:00
Platform
win7-20240903-en
Max time kernel
119s
Max time network
119s
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\51a533f61f989589110a7556570979e0N.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 |
| 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\51a533f61f989589110a7556570979e0N.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\51a533f61f989589110a7556570979e0N.exe | N/A |
| File created | C:\Program Files\Common Files\System\symsrv.dll | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.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\51a533f61f989589110a7556570979e0N.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\SoundRec\protocol\StdFileEditing\server\ = "sndrec32.exe" | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\SoundRec\protocol\StdExecute\server | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\SoundRec | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\SoundRec\protocol | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\SoundRec\protocol\StdExecute | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\SoundRec\protocol\StdExecute\server\ = "sndrec32.exe" | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\SoundRec\protocol\StdFileEditing\server | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\SoundRec\protocol\StdFileEditing | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe
"C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe"
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 | 198.58.118.167:80 | www.aieov.com | tcp |
| US | 198.58.118.167:80 | www.aieov.com | tcp |
| US | 198.58.118.167:80 | www.aieov.com | tcp |
| US | 198.58.118.167:80 | www.aieov.com | tcp |
| US | 198.58.118.167:80 | www.aieov.com | tcp |
| US | 198.58.118.167:80 | www.aieov.com | tcp |
Files
\Program Files\Common Files\System\symsrv.dll
| MD5 | 7574cf2c64f35161ab1292e2f532aabf |
| SHA1 | 14ba3fa927a06224dfe587014299e834def4644f |
| SHA256 | de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085 |
| SHA512 | 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab |
memory/2168-3-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2168-5-0x0000000001008000-0x000000000100B000-memory.dmp
memory/2168-11-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2168-12-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2168-13-0x0000000001000000-0x0000000001023000-memory.dmp
memory/2168-16-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2168-19-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2168-22-0x0000000010000000-0x0000000010030000-memory.dmp
C:\Program Files\Common Files\System\symsrv.dll.000
| MD5 | 1130c911bf5db4b8f7cf9b6f4b457623 |
| SHA1 | 48e734c4bc1a8b5399bff4954e54b268bde9d54c |
| SHA256 | eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1 |
| SHA512 | 94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0 |
memory/2168-25-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2168-28-0x0000000010000000-0x0000000010030000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-14 18:58
Reported
2024-09-14 19:00
Platform
win10v2004-20240802-en
Max time kernel
116s
Max time network
100s
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\51a533f61f989589110a7556570979e0N.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 |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\e: | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.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\51a533f61f989589110a7556570979e0N.exe | N/A |
| File created | \??\c:\program files\common files\system\symsrv.dll.000 | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.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\51a533f61f989589110a7556570979e0N.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\SoundRec\protocol | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\SoundRec\protocol\StdExecute | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\SoundRec\protocol\StdExecute\server\ = "sndrec32.exe" | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\SoundRec\protocol\StdFileEditing\server | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\SoundRec\protocol\StdFileEditing | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\SoundRec\protocol\StdFileEditing\server\ = "sndrec32.exe" | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\SoundRec\protocol\StdExecute\server | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\SoundRec | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe
"C:\Users\Admin\AppData\Local\Temp\51a533f61f989589110a7556570979e0N.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5isohu.com | udp |
| US | 8.8.8.8:53 | www.aieov.com | udp |
| US | 45.33.20.235:80 | www.aieov.com | tcp |
| US | 8.8.8.8:53 | 235.20.33.45.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5isohu.com | udp |
| US | 45.33.20.235:80 | www.aieov.com | tcp |
| US | 8.8.8.8:53 | 5isohu.com | udp |
| US | 45.33.20.235:80 | www.aieov.com | tcp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5isohu.com | udp |
| US | 45.33.20.235:80 | www.aieov.com | tcp |
| US | 8.8.8.8:53 | 5isohu.com | udp |
| US | 45.33.20.235:80 | www.aieov.com | tcp |
| US | 45.33.20.235:80 | www.aieov.com | tcp |
| US | 8.8.8.8:53 | 5isohu.com | 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 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.140.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
C:\Program Files\Common Files\System\symsrv.dll
| MD5 | 7574cf2c64f35161ab1292e2f532aabf |
| SHA1 | 14ba3fa927a06224dfe587014299e834def4644f |
| SHA256 | de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085 |
| SHA512 | 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab |
memory/972-4-0x0000000010000000-0x0000000010030000-memory.dmp
memory/972-6-0x0000000001008000-0x000000000100B000-memory.dmp
memory/972-12-0x0000000001000000-0x0000000001023000-memory.dmp
memory/972-15-0x0000000010000000-0x0000000010030000-memory.dmp
memory/972-16-0x0000000010000000-0x0000000010030000-memory.dmp
memory/972-21-0x0000000010000000-0x0000000010030000-memory.dmp
C:\Program Files\Common Files\System\symsrv.dll.000
| MD5 | 1130c911bf5db4b8f7cf9b6f4b457623 |
| SHA1 | 48e734c4bc1a8b5399bff4954e54b268bde9d54c |
| SHA256 | eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1 |
| SHA512 | 94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0 |
memory/972-26-0x0000000010000000-0x0000000010030000-memory.dmp
memory/972-32-0x0000000010000000-0x0000000010030000-memory.dmp