Analysis
- max time kernel
148s - max time network
133s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
08/08/2026, 15:42
General
- Target 2026-08-08_ad9731b24b044f064c86ce9b1d4a2f4c_agent-tesla_backswap_elex_floxif_remcos_stop.exe
- Size 884KB
- Sample260808-s5mszahn3s
- SHA256 ecd20ac39a75cea5b42a121697a910f7a44bbe674db3a2323d82e83d9265563a
Malware Config
Signatures
- Family: Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
- Modifies security service 2 TTPs 1 IoCs
- Detects Floxif payload 1 IoCs
- UPX dump on OEP (original entry point) 6 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 6 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Program Files directory 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 6 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-08_ad9731b24b044f064c86ce9b1d4a2f4c_agent-tesla_backswap_elex_floxif_remcos_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-08_ad9731b24b044f064c86ce9b1d4a2f4c_agent-tesla_backswap_elex_floxif_remcos_stop.exe"1⤵
- Modifies security service
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Persistence
Create or Modify System Process
1Windows Service
1Event Triggered Execution
1AppInit DLLs
1Privilege Escalation
Create or Modify System Process
1Windows Service
1Event Triggered Execution
1AppInit DLLs
1Replay Monitor
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Downloads
symsrv.dll
symsrv.dll.000
2026-08-08_ad9731b24b044f064c86ce9b1d4a2f4c_agent-tesla_backswap_elex_floxif_remcos_stop.ini
memory/5596-4-0x0000000010000000-0x0000000010030000-memory.dmp
memory/5596-56-0x0000000010000000-0x0000000010030000-memory.dmp
memory/5596-61-0x0000000010000000-0x0000000010030000-memory.dmp
memory/5596-64-0x0000000010000000-0x0000000010030000-memory.dmp
memory/5596-67-0x0000000010000000-0x0000000010030000-memory.dmp