Analysis
- max time kernel
148s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
14/11/2026, 14:53
General
- Target 2026-11-13_448093166b0939a4ae0a785c118d9e51_agent-tesla_backswap_elex_floxif_stop.exe
- Size 800KB
- Sample261114-r9b2la1w2m
- SHA256 35cdd45c6a78c755ca92fa0cf1dc6423a1df05eb80e821cc17f4eec2f8b2116f
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
- Custom signatureUPX dump on OEP (original entry point) 6 IoCs
- Modifies AppInit DLL entries 1 TTPs
Modifies the AppInit_DLLs registry setting, allowing a specified DLL to be loaded automatically into almost every Windows process across reboots.
- 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).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- 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 behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-11-13_448093166b0939a4ae0a785c118d9e51_agent-tesla_backswap_elex_floxif_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-13_448093166b0939a4ae0a785c118d9e51_agent-tesla_backswap_elex_floxif_stop.exe"1⤵
- Modifies security service
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Reads the TCP/IP host and domain name from the registry
- 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
2026-11-13_448093166b0939a4ae0a785c118d9e51_agent-tesla_backswap_elex_floxif_stop.ini
FE60670448.tmp
memory/1096-4-0x0000000010000000-0x0000000010030000-memory.dmp
memory/1096-47-0x0000000010000000-0x0000000010030000-memory.dmp
memory/1096-51-0x0000000010000000-0x0000000010030000-memory.dmp
memory/1096-53-0x0000000010000000-0x0000000010030000-memory.dmp
memory/1096-54-0x0000000010000000-0x0000000010030000-memory.dmp