Analysis Overview
SHA256
7b0170e43cae7800348df79ca10f39aba701362f67fb54c6069828a6a8abb43c
Threat Level: Known bad
The file 2024-09-15_9969a56a674553b6e69beed6f6dff521_avoslocker_cobalt-strike_floxif was found to be: Known bad.
Malicious Activity Summary
Floxif, Floodfix
Detects Floxif payload
Loads dropped DLL
UPX packed file
ACProtect 1.3x - 1.4x DLL software
Enumerates connected drives
Drops file in Program Files directory
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-15 03:37
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-15 03:37
Reported
2024-09-15 03:40
Platform
win7-20240903-en
Max time kernel
122s
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\2024-09-15_9969a56a674553b6e69beed6f6dff521_avoslocker_cobalt-strike_floxif.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 |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\e: | C:\Users\Admin\AppData\Local\Temp\2024-09-15_9969a56a674553b6e69beed6f6dff521_avoslocker_cobalt-strike_floxif.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\2024-09-15_9969a56a674553b6e69beed6f6dff521_avoslocker_cobalt-strike_floxif.exe | N/A |
| File created | \??\c:\program files\common files\system\symsrv.dll.000 | C:\Users\Admin\AppData\Local\Temp\2024-09-15_9969a56a674553b6e69beed6f6dff521_avoslocker_cobalt-strike_floxif.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\2024-09-15_9969a56a674553b6e69beed6f6dff521_avoslocker_cobalt-strike_floxif.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-09-15_9969a56a674553b6e69beed6f6dff521_avoslocker_cobalt-strike_floxif.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-09-15_9969a56a674553b6e69beed6f6dff521_avoslocker_cobalt-strike_floxif.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-09-15_9969a56a674553b6e69beed6f6dff521_avoslocker_cobalt-strike_floxif.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-15_9969a56a674553b6e69beed6f6dff521_avoslocker_cobalt-strike_floxif.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 | 72.14.185.43:80 | www.aieov.com | tcp |
Files
memory/1732-3-0x0000000010000000-0x0000000010030000-memory.dmp
\Program Files\Common Files\System\symsrv.dll
| MD5 | 7574cf2c64f35161ab1292e2f532aabf |
| SHA1 | 14ba3fa927a06224dfe587014299e834def4644f |
| SHA256 | de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085 |
| SHA512 | 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab |
C:\Users\Admin\AppData\Local\Temp\log.txt
| MD5 | e6ed128e5f605fb4f32f9464b1ccb258 |
| SHA1 | 28879c1b58c9d92dc65b4c6fdc200f46730e5184 |
| SHA256 | e2dfba335de19d8ac78e685d47fbbbec23d420f6d1381c524ae49b3330fdb735 |
| SHA512 | 37913ef6946e3ef25dc631b148569fb7178e8b394b57ece658ee3280af912a0079bc660052c32c6d2f058e22c2657d9801d9cd32b4a26df672008c55ee8bac43 |
memory/1732-61-0x0000000000DC0000-0x0000000000E5A000-memory.dmp
memory/1732-63-0x0000000010000000-0x0000000010030000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-15 03:37
Reported
2024-09-15 03:40
Platform
win10v2004-20240802-en
Max time kernel
95s
Max time network
154s
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\2024-09-15_9969a56a674553b6e69beed6f6dff521_avoslocker_cobalt-strike_floxif.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 |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\e: | C:\Users\Admin\AppData\Local\Temp\2024-09-15_9969a56a674553b6e69beed6f6dff521_avoslocker_cobalt-strike_floxif.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\2024-09-15_9969a56a674553b6e69beed6f6dff521_avoslocker_cobalt-strike_floxif.exe | N/A |
| File created | \??\c:\program files\common files\system\symsrv.dll.000 | C:\Users\Admin\AppData\Local\Temp\2024-09-15_9969a56a674553b6e69beed6f6dff521_avoslocker_cobalt-strike_floxif.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\2024-09-15_9969a56a674553b6e69beed6f6dff521_avoslocker_cobalt-strike_floxif.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-09-15_9969a56a674553b6e69beed6f6dff521_avoslocker_cobalt-strike_floxif.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-09-15_9969a56a674553b6e69beed6f6dff521_avoslocker_cobalt-strike_floxif.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-09-15_9969a56a674553b6e69beed6f6dff521_avoslocker_cobalt-strike_floxif.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-09-15_9969a56a674553b6e69beed6f6dff521_avoslocker_cobalt-strike_floxif.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-15_9969a56a674553b6e69beed6f6dff521_avoslocker_cobalt-strike_floxif.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5isohu.com | udp |
| US | 8.8.8.8:53 | www.aieov.com | udp |
| US | 45.33.18.44:80 | www.aieov.com | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 44.18.33.45.in-addr.arpa | udp |
| US | 45.33.18.44:80 | www.aieov.com | tcp |
| US | 8.8.8.8:53 | 5isohu.com | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
Files
C:\Program Files\Common Files\System\symsrv.dll
| MD5 | 7574cf2c64f35161ab1292e2f532aabf |
| SHA1 | 14ba3fa927a06224dfe587014299e834def4644f |
| SHA256 | de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085 |
| SHA512 | 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab |
memory/1600-2-0x0000000010000000-0x0000000010030000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\log.txt
| MD5 | 276ebe1529126fcaa33fb297ea1e9ee2 |
| SHA1 | 3c6c901d9dc90ecd3044917c7ecf585ce3bc2e52 |
| SHA256 | 5e35c715b3f3ec95f9563221db17311a98c1c3045e1bf2463a67485b07f7c38e |
| SHA512 | 1964ae1718e76f6381d06e972743ed74eb981c7931618ec48f8082a0840fd4008891dc5056790cdf4aa6640df7a3980bba58a9933e9990658d0878fcdfaed965 |
memory/1600-63-0x0000000000D50000-0x0000000000DEA000-memory.dmp
memory/1600-65-0x0000000010000000-0x0000000010030000-memory.dmp