Analysis Overview
SHA256
a664e712da0b02b935330bfb4bb5a56ab8715f12a568399cdb2e9ac18e18e0f9
Threat Level: Known bad
The file 64079897271f633df0472383254febc0N was found to be: Known bad.
Malicious Activity Summary
Detects Floxif payload
Floxif family
Event Triggered Execution: AppInit DLLs
ACProtect 1.3x - 1.4x DLL software
UPX packed file
Network Service Discovery
Program crash
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-12 15:06
Signatures
Detects Floxif payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Floxif family
ACProtect 1.3x - 1.4x DLL software
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-12 15:06
Reported
2024-09-12 15:08
Platform
win7-20240903-en
Max time kernel
117s
Max time network
118s
Command Line
Signatures
Event Triggered Execution: AppInit DLLs
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 |
Network Service Discovery
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\arp.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\arp.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\arp.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\64079897271f633df0472383254febc0N.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\64079897271f633df0472383254febc0N.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 332
C:\Windows\SysWOW64\arp.exe
arp -a
Network
Files
memory/2664-0-0x0000000010000000-0x0000000010033000-memory.dmp
memory/2676-1-0x0000000010000000-0x0000000010033000-memory.dmp
memory/2676-3-0x0000000010000000-0x0000000010033000-memory.dmp
memory/2664-4-0x0000000010000000-0x0000000010033000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-12 15:06
Reported
2024-09-12 15:08
Platform
win10v2004-20240802-en
Max time kernel
94s
Max time network
104s
Command Line
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Network Service Discovery
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\arp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\arp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\arp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\arp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\arp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\arp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\arp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\arp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\arp.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\arp.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\arp.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\arp.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\arp.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\arp.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\arp.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\arp.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\arp.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\arp.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\64079897271f633df0472383254febc0N.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\64079897271f633df0472383254febc0N.dll,#1
C:\Windows\SysWOW64\arp.exe
arp -a
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 5036 -ip 5036
C:\Windows\SysWOW64\arp.exe
arp -s 10.127.0.1 6c-ab-37-f8-cd-b2
C:\Windows\SysWOW64\arp.exe
arp -s 10.127.255.255 a1-e9-67-5b-1e-c3
C:\Windows\SysWOW64\arp.exe
arp -s 37.27.61.180 85-f4-6d-e0-08-31
C:\Windows\SysWOW64\arp.exe
arp -s 224.0.0.22 8c-ca-77-4d-90-54
C:\Windows\SysWOW64\arp.exe
arp -s 224.0.0.251 82-91-a9-84-8d-86
C:\Windows\SysWOW64\arp.exe
arp -s 224.0.0.252 13-94-4c-4c-8f-a4
C:\Windows\SysWOW64\arp.exe
arp -s 239.255.255.250 71-36-52-a4-97-03
C:\Windows\SysWOW64\arp.exe
arp -s 255.255.255.255 f3-97-47-9d-fc-f5
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5036 -s 708
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.56.20.217.in-addr.arpa | udp |
Files
memory/5036-0-0x0000000010000000-0x0000000010033000-memory.dmp
memory/5036-2-0x0000000010000000-0x0000000010033000-memory.dmp