Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
04/06/2026, 22:22
General
- Target 2026-06-04_d1451ed0d36a45a431e37afa0dad6832_amadey_elex_floxif_remcos_smoke-loader.exe
- Size 660KB
- Sample260604-2aaplagt2s
- SHA256 8e4e7a4b3a59164cf0a1cbb5285f576a385b31caa9e69e3792975451c697e018
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) 5 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 5 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.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-06-04_d1451ed0d36a45a431e37afa0dad6832_amadey_elex_floxif_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-04_d1451ed0d36a45a431e37afa0dad6832_amadey_elex_floxif_remcos_smoke-loader.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 FindShellTrayWindow
- Suspicious use of SendNotifyMessage
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x00000000000004EC 0x00000000000004E81⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
symsrv.dll
symsrv.dll.000
memory/2144-4-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2144-11-0x0000000076DE3000-0x0000000076DE4000-memory.dmp
memory/2144-13-0x0000000076DD0000-0x0000000076E34000-memory.dmp
memory/2144-14-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2144-16-0x0000000076DD0000-0x0000000076E34000-memory.dmp
memory/2144-18-0x0000000076DD0000-0x0000000076E34000-memory.dmp
memory/2144-21-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2144-23-0x0000000076DD0000-0x0000000076E34000-memory.dmp
memory/2144-24-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2144-36-0x0000000076DD0000-0x0000000076E34000-memory.dmp