Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
04/06/2026, 14:24
General
- Target 2026-06-04_e1ab1336ec40b214109ff0e54cf4c721_elex_floxif_stop.exe
- Size 478KB
- Sample260604-rq3efahs6m
- SHA256 35b84a8e7735439fe4aca33b4f5a79f19e5176e1a119f8a854c2fe512e769561
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.
- Executes dropped EXE 2 IoCs
- 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.
- Network Service Discovery 1 TTPs 8 IoCs
Attempt to gather information on host's network.
- 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 10 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: LoadsDriver 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-06-04_e1ab1336ec40b214109ff0e54cf4c721_elex_floxif_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-04_e1ab1336ec40b214109ff0e54cf4c721_elex_floxif_stop.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 WriteProcessMemory
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C:\Windows\SysWOW64\arp.exearp -a2⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\arp.exearp -s 10.127.0.1 2d-0c-a4-cb-a2-fb2⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\arp.exearp -s 10.127.255.255 aa-dd-15-48-be-2c2⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\arp.exearp -s 224.0.0.22 c1-6a-31-22-34-c12⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\arp.exearp -s 224.0.0.251 e2-8b-22-7b-5b-282⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\arp.exearp -s 224.0.0.252 a2-2a-e6-1b-01-162⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\arp.exearp -s 239.255.255.250 df-5c-74-98-e2-e02⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\arp.exearp -s 255.255.255.255 7b-4e-e8-0f-e6-942⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\arp.exearp -d2⤵
- System Location Discovery: System Language Discovery
-
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C:\Users\Admin\AppData\Local\Temp\bjkhx.sysC:\Users\Admin\AppData\Local\Temp\bjkhx.sys1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\kbjlh.sysC:\Users\Admin\AppData\Local\Temp\kbjlh.sys1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
symsrv.dll
bjkhx.sys
memory/572-4-0x0000000010000000-0x0000000010033000-memory.dmp
memory/572-10-0x0000000010000000-0x0000000010033000-memory.dmp
memory/572-11-0x0000000010000000-0x0000000010033000-memory.dmp
memory/572-13-0x0000000076B53000-0x0000000076B54000-memory.dmp
memory/572-15-0x0000000076B40000-0x0000000076BA4000-memory.dmp
memory/572-16-0x0000000010000000-0x0000000010033000-memory.dmp