Analysis Overview
SHA256
4178834695d7a474e0f32c4460e6df08382b5db972bad15704453d0a3cd621e2
Threat Level: Known bad
The file 6639540418063f3317b273d87be5fa90N.exe was found to be: Known bad.
Malicious Activity Summary
Floxif, Floodfix
Detects Floxif payload
Event Triggered Execution: AppInit DLLs
Loads dropped DLL
Executes dropped EXE
ACProtect 1.3x - 1.4x DLL software
UPX packed file
Enumerates connected drives
Drops file in Program Files directory
System Location Discovery: System Language Discovery
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-15 15:32
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-15 15:32
Reported
2024-08-15 15:34
Platform
win10v2004-20240802-en
Max time kernel
104s
Max time network
104s
Command Line
Signatures
Floxif, Floodfix
Detects Floxif payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Event Triggered Execution: AppInit DLLs
ACProtect 1.3x - 1.4x DLL software
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\temp\ext36642\hotfix.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6639540418063f3317b273d87be5fa90N.exe | N/A |
| N/A | N/A | \??\c:\temp\ext36642\hotfix.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6639540418063f3317b273d87be5fa90N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6639540418063f3317b273d87be5fa90N.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
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\6639540418063f3317b273d87be5fa90N.exe | N/A |
| File created | \??\c:\program files\common files\system\symsrv.dll.000 | C:\Users\Admin\AppData\Local\Temp\6639540418063f3317b273d87be5fa90N.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\6639540418063f3317b273d87be5fa90N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\temp\ext36642\hotfix.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6639540418063f3317b273d87be5fa90N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6639540418063f3317b273d87be5fa90N.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\6639540418063f3317b273d87be5fa90N.exe | N/A |
| Token: SeDebugPrivilege | N/A | \??\c:\temp\ext36642\hotfix.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1372 wrote to memory of 3236 | N/A | C:\Users\Admin\AppData\Local\Temp\6639540418063f3317b273d87be5fa90N.exe | \??\c:\temp\ext36642\hotfix.exe |
| PID 1372 wrote to memory of 3236 | N/A | C:\Users\Admin\AppData\Local\Temp\6639540418063f3317b273d87be5fa90N.exe | \??\c:\temp\ext36642\hotfix.exe |
| PID 1372 wrote to memory of 3236 | N/A | C:\Users\Admin\AppData\Local\Temp\6639540418063f3317b273d87be5fa90N.exe | \??\c:\temp\ext36642\hotfix.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\6639540418063f3317b273d87be5fa90N.exe
"C:\Users\Admin\AppData\Local\Temp\6639540418063f3317b273d87be5fa90N.exe"
\??\c:\temp\ext36642\hotfix.exe
c:\temp\ext36642\hotfix.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5isohu.com | udp |
| US | 8.8.8.8:53 | www.aieov.com | udp |
| US | 45.33.23.183:80 | www.aieov.com | tcp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.23.33.45.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5isohu.com | udp |
| US | 45.33.23.183:80 | www.aieov.com | tcp |
| US | 8.8.8.8:53 | 5isohu.com | udp |
| US | 45.33.23.183:80 | www.aieov.com | tcp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
Files
memory/1372-0-0x0000000005000000-0x0000000005018000-memory.dmp
C:\Program Files\Common Files\System\symsrv.dll
| MD5 | 7574cf2c64f35161ab1292e2f532aabf |
| SHA1 | 14ba3fa927a06224dfe587014299e834def4644f |
| SHA256 | de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085 |
| SHA512 | 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab |
memory/1372-5-0x0000000010000000-0x0000000010030000-memory.dmp
memory/1372-9-0x0000000005000000-0x0000000005018000-memory.dmp
memory/1372-7-0x0000000005001000-0x0000000005002000-memory.dmp
C:\temp\ext36642\hotfix.exe
| MD5 | e1f9e0c91d35efd132f08aa53af8ed6c |
| SHA1 | c129eff999749dad700460e8f0d799d0c7863214 |
| SHA256 | 0451e69d256acf67745c3918180c0d376a1cbee803951cd57c48e289b5b6a4ae |
| SHA512 | 6883b7336a5c6c67e43849fa009b6a6d5a95b8b2a3490e306255aa3b809f567953233912a04138c2844864d8348a321da4ee895d3349ed1fd8bbb091c06cf353 |
memory/3236-26-0x0000000010000000-0x0000000010030000-memory.dmp
\??\c:\temp\ext36642\hotfix.inf
| MD5 | 639176bb485ffed1372c6f6b290c00cd |
| SHA1 | 92a71862ce7564f92a1b00fd988191e4bbf13175 |
| SHA256 | 2a2f1a38a91fe63ca0023413fc0e2d81aeb86e7bb811a7be114dd2f995e2523e |
| SHA512 | 83904cdf44b04454021f25b745d2b1292c69fe710d1457104ce3b011c0e025c34110015e39274227d3e177b59f8c7ece5b52d83b3ddaa2ed6b70963cfc5de043 |
C:\temp\ext36642\hotfix.exe.tmp
| MD5 | 7eefbd204e91845511210f64b6b2d229 |
| SHA1 | 1ef06b7d684dbc890e6ffa545430295ed92f59a7 |
| SHA256 | 8592495243340af9d21e096eea78e1cfe9d1b00a81e3bcbc866754c866f40e25 |
| SHA512 | 6e821bf3c6241ac29027b0e433c49f4819cf00ecf5ebdc2325c37ba6f6e9b2a3f5143046bf32f36c3e386ffbbb36315c2ae7512d2f4bee796bac871be989059f |
memory/1372-35-0x0000000005000000-0x0000000005018000-memory.dmp
memory/1372-38-0x0000000010000000-0x0000000010030000-memory.dmp
memory/1372-39-0x0000000005001000-0x0000000005002000-memory.dmp
memory/1372-40-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3236-41-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3236-46-0x0000000010000000-0x0000000010030000-memory.dmp
memory/1372-55-0x0000000005000000-0x0000000005018000-memory.dmp
memory/1372-56-0x0000000010000000-0x0000000010030000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-15 15:32
Reported
2024-08-15 15:34
Platform
win7-20240704-en
Max time kernel
13s
Max time network
19s
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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\temp\ext36642\hotfix.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6639540418063f3317b273d87be5fa90N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6639540418063f3317b273d87be5fa90N.exe | N/A |
| N/A | N/A | \??\c:\temp\ext36642\hotfix.exe | N/A |
| N/A | N/A | \??\c:\temp\ext36642\hotfix.exe | N/A |
| N/A | N/A | \??\c:\temp\ext36642\hotfix.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6639540418063f3317b273d87be5fa90N.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 |
Enumerates connected drives
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\6639540418063f3317b273d87be5fa90N.exe | N/A |
| File created | \??\c:\program files\common files\system\symsrv.dll.000 | C:\Users\Admin\AppData\Local\Temp\6639540418063f3317b273d87be5fa90N.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\6639540418063f3317b273d87be5fa90N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\temp\ext36642\hotfix.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6639540418063f3317b273d87be5fa90N.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\6639540418063f3317b273d87be5fa90N.exe | N/A |
| Token: SeRestorePrivilege | N/A | \??\c:\temp\ext36642\hotfix.exe | N/A |
| Token: SeRestorePrivilege | N/A | \??\c:\temp\ext36642\hotfix.exe | N/A |
| Token: SeRestorePrivilege | N/A | \??\c:\temp\ext36642\hotfix.exe | N/A |
| Token: SeRestorePrivilege | N/A | \??\c:\temp\ext36642\hotfix.exe | N/A |
| Token: SeRestorePrivilege | N/A | \??\c:\temp\ext36642\hotfix.exe | N/A |
| Token: SeRestorePrivilege | N/A | \??\c:\temp\ext36642\hotfix.exe | N/A |
| Token: SeRestorePrivilege | N/A | \??\c:\temp\ext36642\hotfix.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\6639540418063f3317b273d87be5fa90N.exe
"C:\Users\Admin\AppData\Local\Temp\6639540418063f3317b273d87be5fa90N.exe"
\??\c:\temp\ext36642\hotfix.exe
c:\temp\ext36642\hotfix.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/676-0-0x0000000005000000-0x0000000005018000-memory.dmp
\Program Files\Common Files\System\symsrv.dll
| MD5 | 7574cf2c64f35161ab1292e2f532aabf |
| SHA1 | 14ba3fa927a06224dfe587014299e834def4644f |
| SHA256 | de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085 |
| SHA512 | 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab |
memory/676-4-0x0000000010000000-0x0000000010030000-memory.dmp
memory/676-6-0x0000000005001000-0x0000000005002000-memory.dmp
memory/676-9-0x0000000005000000-0x0000000005018000-memory.dmp
\temp\ext36642\hotfix.exe
| MD5 | e1f9e0c91d35efd132f08aa53af8ed6c |
| SHA1 | c129eff999749dad700460e8f0d799d0c7863214 |
| SHA256 | 0451e69d256acf67745c3918180c0d376a1cbee803951cd57c48e289b5b6a4ae |
| SHA512 | 6883b7336a5c6c67e43849fa009b6a6d5a95b8b2a3490e306255aa3b809f567953233912a04138c2844864d8348a321da4ee895d3349ed1fd8bbb091c06cf353 |
\??\c:\temp\ext36642\hotfix.inf
| MD5 | 639176bb485ffed1372c6f6b290c00cd |
| SHA1 | 92a71862ce7564f92a1b00fd988191e4bbf13175 |
| SHA256 | 2a2f1a38a91fe63ca0023413fc0e2d81aeb86e7bb811a7be114dd2f995e2523e |
| SHA512 | 83904cdf44b04454021f25b745d2b1292c69fe710d1457104ce3b011c0e025c34110015e39274227d3e177b59f8c7ece5b52d83b3ddaa2ed6b70963cfc5de043 |
C:\temp\ext36642\hotfix.exe.tmp
| MD5 | 27769ab09f7b16ea958b71aa772ffc58 |
| SHA1 | 6809c31a9d194498d39365f32613e43c59766537 |
| SHA256 | a746d38dc99564420fd176714d69016f820c413db947eae29e37be5c261f0d84 |
| SHA512 | e7a702f099ba986cf2d11ebfc522f5401a17271871b8543f87fac07afbffa42d7593cccfb1fb52e4527829bd5e1370249360067d474e283ddd64b4b2e6d918c2 |
memory/676-37-0x0000000010000000-0x0000000010030000-memory.dmp
memory/676-38-0x0000000005001000-0x0000000005002000-memory.dmp
memory/676-39-0x0000000005000000-0x0000000005018000-memory.dmp
memory/2728-41-0x0000000001000000-0x000000000103F000-memory.dmp
memory/2728-42-0x0000000001000000-0x000000000103F000-memory.dmp
memory/676-49-0x0000000010000000-0x0000000010030000-memory.dmp
memory/676-50-0x0000000005000000-0x0000000005018000-memory.dmp