Analysis
- max time kernel
132s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
16/08/2024, 14:32
General
- Target 2024-08-16_d2a063bd0be739f6e149fafffee4c702_floxif_mafia.exe
- Size 1.8MB
- Sample240816-rwallstcpn
- SHA256 748798b7ca71a3c290c7a273b922cd7c24744eb9ecf317c7006203f710f6b790
Malware Config
Signatures
- Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
- Detects Floxif payload 1 IoCs
- Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
- Loads dropped DLL 5 IoCs
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Drops file in Program Files directory 1 IoCs
- Program crash 2 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-08-16_d2a063bd0be739f6e149fafffee4c702_floxif_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2024-08-16_d2a063bd0be739f6e149fafffee4c702_floxif_mafia.exe"1⤵
- Loads dropped DLL
- 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 SetWindowsHookEx
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4340 -s 15042⤵
- Loads dropped DLL
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4340 -s 15122⤵
- Loads dropped DLL
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4340 -ip 43401⤵
- Loads dropped DLL
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4340 -ip 43401⤵
- Loads dropped DLL
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
symsrv.dll
memory/4340-4-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4340-6-0x00000000006C1000-0x00000000006C2000-memory.dmp
memory/4340-15-0x00000000006C0000-0x0000000000879000-memory.dmp
memory/4340-17-0x0000000010000000-0x0000000010030000-memory.dmp