Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
15/04/2026, 15:13
General
- Target 2026-04-15_9bf80c5cbc6e0fb92bbda380f989b86e_elex_floxif_remcos_stop.exe
- Size 970KB
- Sample260415-sl87vsdw3z
- SHA256 54a23d3fbc5cddbf0453a724c335ad61e80a71a7bcf8518c699edb493f9a773d
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
- 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\2026-04-15_9bf80c5cbc6e0fb92bbda380f989b86e_elex_floxif_remcos_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-15_9bf80c5cbc6e0fb92bbda380f989b86e_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/1424-4-0x0000000010000000-0x0000000010030000-memory.dmp
memory/1424-6-0x0000000000A80000-0x0000000000A81000-memory.dmp
memory/1424-12-0x0000000077523000-0x0000000077524000-memory.dmp
memory/1424-14-0x0000000077510000-0x0000000077574000-memory.dmp
memory/1424-15-0x0000000010000000-0x0000000010030000-memory.dmp
memory/1424-16-0x0000000010000000-0x0000000010030000-memory.dmp
memory/1424-17-0x0000000077510000-0x0000000077574000-memory.dmp