Analysis Overview
SHA256
c752543b00c8e06ef4226e0867ba9614d8ea7496b344e5d81d3fcf99b1b80568
Threat Level: Known bad
The file 2024-09-16_504f6b94159653a22d8ca825867d34ac_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
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
2024-09-16 00:35
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-16 00:35
Reported
2024-09-16 00:37
Platform
win10v2004-20240802-en
Max time kernel
93s
Max time network
150s
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\2024-09-16_504f6b94159653a22d8ca825867d34ac_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\2024-09-16_504f6b94159653a22d8ca825867d34ac_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\2024-09-16_504f6b94159653a22d8ca825867d34ac_avoslocker_cobalt-strike_floxif.exe | N/A |
| File created | \??\c:\program files\common files\system\symsrv.dll.000 | C:\Users\Admin\AppData\Local\Temp\2024-09-16_504f6b94159653a22d8ca825867d34ac_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\2024-09-16_504f6b94159653a22d8ca825867d34ac_avoslocker_cobalt-strike_floxif.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-09-16_504f6b94159653a22d8ca825867d34ac_avoslocker_cobalt-strike_floxif.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-09-16_504f6b94159653a22d8ca825867d34ac_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\2024-09-16_504f6b94159653a22d8ca825867d34ac_avoslocker_cobalt-strike_floxif.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-09-16_504f6b94159653a22d8ca825867d34ac_avoslocker_cobalt-strike_floxif.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-16_504f6b94159653a22d8ca825867d34ac_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 | 209.205.72.20.in-addr.arpa | 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 | 44.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 235.20.33.45.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| 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 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| NL | 52.111.243.31:443 | tcp | |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
Files
C:\Program Files\Common Files\System\symsrv.dll
| MD5 | 7574cf2c64f35161ab1292e2f532aabf |
| SHA1 | 14ba3fa927a06224dfe587014299e834def4644f |
| SHA256 | de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085 |
| SHA512 | 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab |
memory/4820-2-0x0000000010000000-0x0000000010030000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\log.txt
| MD5 | 6b4bb6a990b676895613fdeaf7ffb4de |
| SHA1 | 7f47de21d72cf37a17418be072230abcda387d96 |
| SHA256 | e4d8ff415ebdb955d747433861073fea61a0b976dd7705840881d201f1eec7ba |
| SHA512 | 917ac841e752ed62f60af3da157ee152b8730bd0635d5bcaf3bf813694fd4221dab6d09d1285a6d8fcf9c79d580183cf4ebd32ef530b78fc5bcfaf2a0f51f300 |
memory/4820-63-0x0000000000220000-0x00000000002BA000-memory.dmp
memory/4820-65-0x0000000010000000-0x0000000010030000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-16 00:35
Reported
2024-09-16 00:37
Platform
win7-20240903-en
Max time kernel
122s
Max time network
127s
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\2024-09-16_504f6b94159653a22d8ca825867d34ac_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\2024-09-16_504f6b94159653a22d8ca825867d34ac_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\2024-09-16_504f6b94159653a22d8ca825867d34ac_avoslocker_cobalt-strike_floxif.exe | N/A |
| File created | \??\c:\program files\common files\system\symsrv.dll.000 | C:\Users\Admin\AppData\Local\Temp\2024-09-16_504f6b94159653a22d8ca825867d34ac_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\2024-09-16_504f6b94159653a22d8ca825867d34ac_avoslocker_cobalt-strike_floxif.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-09-16_504f6b94159653a22d8ca825867d34ac_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\2024-09-16_504f6b94159653a22d8ca825867d34ac_avoslocker_cobalt-strike_floxif.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-09-16_504f6b94159653a22d8ca825867d34ac_avoslocker_cobalt-strike_floxif.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-16_504f6b94159653a22d8ca825867d34ac_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 | 45.33.23.183:80 | www.aieov.com | tcp |
Files
\Program Files\Common Files\System\symsrv.dll
| MD5 | 7574cf2c64f35161ab1292e2f532aabf |
| SHA1 | 14ba3fa927a06224dfe587014299e834def4644f |
| SHA256 | de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085 |
| SHA512 | 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab |
memory/468-3-0x0000000010000000-0x0000000010030000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\log.txt
| MD5 | de3ef7d4d86df5118a8bd8e82430ce5c |
| SHA1 | 24bc48bd10d0b697419a5821ae67a4121d7c5971 |
| SHA256 | b23fa92dd0fde867503be24bf0880eb048d65244ccd4597d7ae4263f1cfbe301 |
| SHA512 | f064cacb9a7beee72320a8c2ca49f3b1c0c4306e54532d463e628e84339bd8542819c22f0388ecbce3249c4f6a11af9ab6db631080bfb03a70b49bf7f41f4f1d |
C:\Users\Admin\AppData\Local\Temp\log.txt
| MD5 | f8fbb85cb6ee150e52b379e74708b613 |
| SHA1 | 9aac20be8545d8a96a366e0b7c218cbbf9e92416 |
| SHA256 | 4a097e388d2d426fbb7b91d57236d3dd3ff79252e0e93fc28fbe496fc923aa43 |
| SHA512 | fc229ae35a5883dd752e5b41f48679162778879c093d38a413435d47ad825bd2bf3041472c6ac71daf9e33e3087fd95a74a959ac6764e6d1d665f1f53661233e |
memory/468-61-0x0000000000D80000-0x0000000000E1A000-memory.dmp
memory/468-63-0x0000000010000000-0x0000000010030000-memory.dmp