Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
04/08/2026, 07:17
General
- Target 2026-08-04_53b2d240549cf85251a7e6db5e4ba2d2_elex_floxif_remcos_stop.exe
- Size 970KB
- Sample260804-h4qs5afb27
- SHA256 fbce0836d038072e01696dec960b148738913437472e8e9d5692d925f48a8301
Malware Config
Signatures
- Family: Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
- Detects Floxif payload 1 IoCs
- UPX dump on OEP (original entry point) 4 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 1 IoCs
- Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- UPX packed file 4 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Program Files directory 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.
- Checks SCSI registry key(s) 3 TTPs 4 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_53b2d240549cf85251a7e6db5e4ba2d2_elex_floxif_remcos_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_53b2d240549cf85251a7e6db5e4ba2d2_elex_floxif_remcos_stop.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
symsrv.dll
memory/4384-4-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4384-6-0x00000000007C0000-0x00000000007C1000-memory.dmp
memory/4384-14-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4384-13-0x0000000010000000-0x0000000010030000-memory.dmp