Analysis
- max time kernel
149s - max time network
130s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
25/05/2026, 12:18
General
- Target 2026-05-25_24d0302de5d5417518f38f2ac4f13557_amadey_elex_floxif_poet-rat_remcos_smoke-loader_stop.exe
- Size 3.6MB
- Sample260525-pgvxwsfv4r
- SHA256 c2f0d73f7a2013ad48920ecdd4a61ca4d00ae24bf80cb7138a83fa26bb1561fd
Malware Config
Signatures
- Family: Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
- Detects Floxif payload 1 IoCs
- Custom signatureUPX 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 2 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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.
- Modifies data under HKEY_USERS 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 10 IoCs
- Suspicious use of SendNotifyMessage 10 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-25_24d0302de5d5417518f38f2ac4f13557_amadey_elex_floxif_poet-rat_remcos_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-25_24d0302de5d5417518f38f2ac4f13557_amadey_elex_floxif_poet-rat_remcos_smoke-loader_stop.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService1⤵
- Modifies data under HKEY_USERS
-
C:\Users\Admin\AppData\Local\Temp\2026-05-25_24d0302de5d5417518f38f2ac4f13557_amadey_elex_floxif_poet-rat_remcos_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-25_24d0302de5d5417518f38f2ac4f13557_amadey_elex_floxif_poet-rat_remcos_smoke-loader_stop.exe" /autostart1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1AppInit DLLs
1Replay Monitor
Loading Replay Monitor...
Downloads
symsrv.dll
network.log
wiatrace.log
memory/416-12-0x0000000010000000-0x0000000010030000-memory.dmp
memory/416-18-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4456-4-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4456-9-0x0000000010000000-0x0000000010030000-memory.dmp