Analysis Overview
SHA256
8c84110b6de408ddc9d9e1b13bfb487543a75d8b4423581652bbfb85ed87acd5
Threat Level: Known bad
The file 2024-09-14_748da875840f2e2c2690b830edfd7397_avoslocker_cobalt-strike_floxif was found to be: Known bad.
Malicious Activity Summary
Floxif, Floodfix
Detects Floxif payload
ACProtect 1.3x - 1.4x DLL software
Loads dropped DLL
UPX packed file
Enumerates connected drives
Drops file in Program Files directory
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-14 00:27
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-14 00:27
Reported
2024-09-14 00:29
Platform
win7-20240903-en
Max time kernel
119s
Max time network
120s
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\2024-09-14_748da875840f2e2c2690b830edfd7397_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\2024-09-14_748da875840f2e2c2690b830edfd7397_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\2024-09-14_748da875840f2e2c2690b830edfd7397_avoslocker_cobalt-strike_floxif.exe | N/A |
| File created | \??\c:\program files\common files\system\symsrv.dll.000 | C:\Users\Admin\AppData\Local\Temp\2024-09-14_748da875840f2e2c2690b830edfd7397_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\2024-09-14_748da875840f2e2c2690b830edfd7397_avoslocker_cobalt-strike_floxif.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-09-14_748da875840f2e2c2690b830edfd7397_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\2024-09-14_748da875840f2e2c2690b830edfd7397_avoslocker_cobalt-strike_floxif.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-09-14_748da875840f2e2c2690b830edfd7397_avoslocker_cobalt-strike_floxif.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-14_748da875840f2e2c2690b830edfd7397_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 | 45.33.18.44:80 | www.aieov.com | tcp |
Files
\Program Files\Common Files\System\symsrv.dll
| MD5 | 7574cf2c64f35161ab1292e2f532aabf |
| SHA1 | 14ba3fa927a06224dfe587014299e834def4644f |
| SHA256 | de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085 |
| SHA512 | 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab |
memory/1796-3-0x0000000010000000-0x0000000010030000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\log.txt
| MD5 | 642bdcf74f46548e175e40fa1aa93dcc |
| SHA1 | 0b830de84d7ce631dd079bb0ea828f4fbf51b3eb |
| SHA256 | fbce0ba5ed55bf684b830d20112d4b6e990b65e3f3cba2e876feffbff4706b48 |
| SHA512 | 7844ab738fabe3eb705b051b16c4a41425b997c9078db565a4d954245f1b874ae6fd12994ca929e4691640e68208a05d915117ba8c1b90671e40a3187d58f877 |
memory/1796-62-0x0000000010000000-0x0000000010030000-memory.dmp
memory/1796-61-0x0000000000C10000-0x0000000000CAA000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-14 00:27
Reported
2024-09-14 00:29
Platform
win10v2004-20240802-en
Max time kernel
94s
Max time network
98s
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\2024-09-14_748da875840f2e2c2690b830edfd7397_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\2024-09-14_748da875840f2e2c2690b830edfd7397_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\2024-09-14_748da875840f2e2c2690b830edfd7397_avoslocker_cobalt-strike_floxif.exe | N/A |
| File created | \??\c:\program files\common files\system\symsrv.dll.000 | C:\Users\Admin\AppData\Local\Temp\2024-09-14_748da875840f2e2c2690b830edfd7397_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\2024-09-14_748da875840f2e2c2690b830edfd7397_avoslocker_cobalt-strike_floxif.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-09-14_748da875840f2e2c2690b830edfd7397_avoslocker_cobalt-strike_floxif.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-09-14_748da875840f2e2c2690b830edfd7397_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\2024-09-14_748da875840f2e2c2690b830edfd7397_avoslocker_cobalt-strike_floxif.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-09-14_748da875840f2e2c2690b830edfd7397_avoslocker_cobalt-strike_floxif.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-14_748da875840f2e2c2690b830edfd7397_avoslocker_cobalt-strike_floxif.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.143.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5isohu.com | udp |
| US | 8.8.8.8:53 | www.aieov.com | udp |
| US | 45.33.30.197:80 | www.aieov.com | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.30.33.45.in-addr.arpa | udp |
| US | 45.33.30.197:80 | www.aieov.com | tcp |
| US | 8.8.8.8:53 | 5isohu.com | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.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/3644-3-0x0000000010000000-0x0000000010030000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\log.txt
| MD5 | 34016f993a003bcbd6a1fb09565b0e3f |
| SHA1 | ae8ba1021f7676655a59a92ed9f8de6766177229 |
| SHA256 | bc751beb9503d34f9b4731d3a611003f113176055efe2c71b7ba88b606ed0cb6 |
| SHA512 | d0c11d2206cf38fb97eac993a427dc609ed8bb0eccfabb03e72334d547e506e47981e036e18c43ac155a51609d2947499841fae431a0e6fd960b1b6c2dc80f92 |
C:\Users\Admin\AppData\Local\Temp\log.txt
| MD5 | 03266ed90753df0548ed588e4332a781 |
| SHA1 | 1105ad4627bf6a21cc08c692edf0e1e6b85c55a8 |
| SHA256 | 5cfd80aec5183eb4ee462ed0d0c0e4609cd798a3a1549b594822bebc662dcd51 |
| SHA512 | e94be3ee9ddc6d5534b62643d5a8de689764ab578205bb6818250650534790e246c6de6ba22b5dc503743736d03b05b49d9108fd0633a496278393e0bb0df3af |
memory/3644-65-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3644-63-0x0000000000990000-0x0000000000A2A000-memory.dmp