Analysis
- max time kernel
150s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
14/10/2026, 01:27
General
- Target 2026-10-13_f27d68238e2d0c1c0c4fd26f5d72ec2b_cobalt-strike_elex_floxif_icedid_luca-stealer_njrat_swisyn_vidar.exe
- Size 390KB
- Sample261014-bveaeaea64
- SHA256 6d54419c46fa4df1a171491814d7da87e40046cf1bf5da341b5c45e5f83af7d3
Malware Config
Signatures
- Family: Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
- Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs
- Detects Floxif payload 1 IoCs
- UPX dump on OEP (original entry point) 3 IoCs
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
- Executes dropped EXE 6 IoCs
- Loads dropped DLL 1 IoCs
- Adds Run key to start application 2 TTPs 4 IoCs
- Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Drops file in System32 directory 2 IoCs
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Program Files directory 1 IoCs
- Drops file in Windows directory 5 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 12 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-10-13_f27d68238e2d0c1c0c4fd26f5d72ec2b_cobalt-strike_elex_floxif_icedid_luca-stealer_njrat_swisyn_vidar.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-13_f27d68238e2d0c1c0c4fd26f5d72ec2b_cobalt-strike_elex_floxif_icedid_luca-stealer_njrat_swisyn_vidar.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\users\admin\appdata\local\temp\2026-10-13_f27d68238e2d0c1c0c4fd26f5d72ec2b_cobalt-strike_elex_floxif_icedid_luca-stealer_njrat_swisyn_vidar.exec:\users\admin\appdata\local\temp\2026-10-13_f27d68238e2d0c1c0c4fd26f5d72ec2b_cobalt-strike_elex_floxif_icedid_luca-stealer_njrat_swisyn_vidar.exe2⤵
- Executes dropped EXE
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C:\Windows\Resources\Themes\icsys.icn.exeC:\Windows\Resources\Themes\icsys.icn.exe2⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\themes\explorer.exec:\windows\resources\themes\explorer.exe3⤵
- Modifies visibility of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe SE4⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\svchost.exec:\windows\resources\svchost.exe5⤵
- Modifies visibility of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe PR6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Replay Monitor
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Downloads
symsrv.dll
2026-10-13_f27d68238e2d0c1c0c4fd26f5d72ec2b_cobalt-strike_elex_floxif_icedid_luca-stealer_njrat_swisyn_vidar.exe
C7C0123CCD8.tmp
icsys.icn.exe
spoolsv.exe
svchost.exe
explorer.exe
memory/968-57-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2264-58-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2292-29-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2292-63-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3288-5-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3288-0-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3288-62-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3288-61-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3728-20-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3728-59-0x0000000000400000-0x000000000041F000-memory.dmp
memory/4488-64-0x0000000000400000-0x000000000041F000-memory.dmp