Analysis
- max time kernel
107s - max time network
108s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
20/08/2024, 02:07
General
- Target aff09c8a9c9f3525ef9dcb8a76016f70N.exe
- Size 181KB
- Sample240820-cj79saydkd
- SHA256 6190530cc987519e57c6cc74ec38635b17ce4988c5b90c2053ec14f8b13bbc54
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 4 IoCs
- UPX packed file 6 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
- System Location Discovery: System Language Discovery 1 TTPs 2 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 2 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\aff09c8a9c9f3525ef9dcb8a76016f70N.exe"C:\Users\Admin\AppData\Local\Temp\aff09c8a9c9f3525ef9dcb8a76016f70N.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 WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\aff09c8a9c9f3525ef9dcb8a76016f70N.exe-deleter2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
symsrv.dll
memory/704-14-0x00000000005E0000-0x0000000000610000-memory.dmp
memory/704-15-0x0000000000400000-0x000000000042E000-memory.dmp
memory/704-21-0x00000000005E0000-0x0000000000610000-memory.dmp
memory/704-22-0x0000000000400000-0x000000000042E000-memory.dmp
memory/3368-0-0x0000000000400000-0x000000000042E000-memory.dmp
memory/3368-8-0x00000000020B0000-0x00000000020E0000-memory.dmp
memory/3368-7-0x00000000020B0000-0x00000000020E0000-memory.dmp
memory/3368-10-0x0000000000401000-0x0000000000404000-memory.dmp
memory/3368-23-0x00000000020B0000-0x00000000020E0000-memory.dmp
memory/3368-24-0x0000000000400000-0x000000000042E000-memory.dmp