Analysis Overview
SHA256
a9eb5ab4d1a0f7d8c44e0fda59e083fcff3ee4bbb70acdd4f4ece58aad22aab0
Threat Level: Known bad
The file a9eb5ab4d1a0f7d8c44e0fda59e083fcff3ee4bbb70acdd4f4ece58aad22aab0N was found to be: Known bad.
Malicious Activity Summary
Floxif family
Detects Floxif payload
Event Triggered Execution: AppInit DLLs
ACProtect 1.3x - 1.4x DLL software
Network Service Discovery
UPX packed file
Unsigned PE
Program crash
System Location Discovery: System Language Discovery
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-09 16:22
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
2024-11-09 16:22
Reported
2024-11-09 16:24
Platform
win7-20240903-en
Max time kernel
118s
Max time network
118s
Command Line
Signatures
Event Triggered Execution: AppInit DLLs
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 |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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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\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 |
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 |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\arp.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\arp.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\arp.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\arp.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\arp.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\arp.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\arp.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\a9eb5ab4d1a0f7d8c44e0fda59e083fcff3ee4bbb70acdd4f4ece58aad22aab0N.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a9eb5ab4d1a0f7d8c44e0fda59e083fcff3ee4bbb70acdd4f4ece58aad22aab0N.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1940 -s 272
C:\Windows\SysWOW64\arp.exe
arp -a
C:\Windows\SysWOW64\arp.exe
arp -s 10.127.0.1 fd-2d-f3-1d-df-a9
C:\Windows\SysWOW64\arp.exe
arp -s 10.127.255.255 d7-47-2a-f2-ab-06
C:\Windows\SysWOW64\arp.exe
arp -s 136.243.76.170 65-72-40-a2-3e-e2
C:\Windows\SysWOW64\arp.exe
arp -s 224.0.0.22 b7-c4-d2-6d-94-e4
C:\Windows\SysWOW64\arp.exe
arp -s 224.0.0.251 5f-c1-5b-0f-b2-f3
C:\Windows\SysWOW64\arp.exe
arp -s 224.0.0.252 1d-f7-d7-b3-d0-02
C:\Windows\SysWOW64\arp.exe
arp -s 239.255.255.250 bd-e3-4f-45-6c-86
C:\Windows\SysWOW64\arp.exe
arp -s 255.255.255.255 7d-49-e4-99-11-61
Network
Files
memory/1940-0-0x0000000010000000-0x0000000010033000-memory.dmp
memory/2756-1-0x0000000010000000-0x0000000010033000-memory.dmp
memory/2756-3-0x0000000010000000-0x0000000010033000-memory.dmp
memory/1940-5-0x0000000010000000-0x0000000010033000-memory.dmp
memory/2736-13-0x0000000010000000-0x0000000010033000-memory.dmp
memory/2896-12-0x0000000010000000-0x0000000010033000-memory.dmp
memory/2752-11-0x0000000010000000-0x0000000010033000-memory.dmp
memory/2820-10-0x0000000010000000-0x0000000010033000-memory.dmp
memory/2728-9-0x0000000010000000-0x0000000010033000-memory.dmp
memory/2900-8-0x0000000010000000-0x0000000010033000-memory.dmp
memory/532-7-0x0000000010000000-0x0000000010033000-memory.dmp
memory/2600-6-0x0000000010000000-0x0000000010033000-memory.dmp
memory/2896-15-0x0000000010000000-0x0000000010033000-memory.dmp
memory/2752-17-0x0000000010000000-0x0000000010033000-memory.dmp
memory/2600-22-0x0000000010000000-0x0000000010033000-memory.dmp
memory/2736-21-0x0000000010000000-0x0000000010033000-memory.dmp
memory/2820-20-0x0000000010000000-0x0000000010033000-memory.dmp
memory/2728-23-0x0000000010000000-0x0000000010033000-memory.dmp
memory/532-27-0x0000000010000000-0x0000000010033000-memory.dmp
memory/2900-25-0x0000000010000000-0x0000000010033000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-09 16:22
Reported
2024-11-09 16:24
Platform
win10v2004-20241007-en
Max time kernel
96s
Max time network
96s
Command Line
Signatures
Event Triggered Execution: AppInit DLLs
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 |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | 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\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 |
| 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 |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a9eb5ab4d1a0f7d8c44e0fda59e083fcff3ee4bbb70acdd4f4ece58aad22aab0N.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a9eb5ab4d1a0f7d8c44e0fda59e083fcff3ee4bbb70acdd4f4ece58aad22aab0N.dll,#1
C:\Windows\SysWOW64\arp.exe
arp -a
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3776 -ip 3776
C:\Windows\SysWOW64\arp.exe
arp -s 10.127.0.1 fd-2d-f3-1d-df-a9
C:\Windows\SysWOW64\arp.exe
arp -s 10.127.255.255 d7-47-2a-f2-ab-06
C:\Windows\SysWOW64\arp.exe
arp -s 37.27.61.180 65-72-40-a2-3e-e2
C:\Windows\SysWOW64\arp.exe
arp -s 224.0.0.22 b7-c4-d2-6d-94-e4
C:\Windows\SysWOW64\arp.exe
arp -s 224.0.0.251 5f-c1-5b-0f-b2-f3
C:\Windows\SysWOW64\arp.exe
arp -s 224.0.0.252 1d-f7-d7-b3-d0-02
C:\Windows\SysWOW64\arp.exe
arp -s 239.255.255.250 bd-e3-4f-45-6c-86
C:\Windows\SysWOW64\arp.exe
arp -s 255.255.255.255 7d-49-e4-99-11-61
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3776 -s 700
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 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
Files
memory/3776-0-0x0000000010000000-0x0000000010033000-memory.dmp
memory/3776-2-0x0000000010000000-0x0000000010033000-memory.dmp