Analysis
- max time kernel
150s - max time network
109s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
13/09/2026, 05:56
General
- Target 2026-09-12_17181cc51df114dc21dd0a370c024e2d_cobalt-strike_elex_floxif_icedid_swisyn_vidar.exe
- Size 654KB
- Sample260913-gng1lsvsbx
- SHA256 2da4d409271c97dd2c63daa2c12aeceda39910e6d0a81d42e832180d164ce8c7
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) 19 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 8 IoCs
- Loads dropped DLL 12 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 19 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Program Files directory 2 IoCs
- Drops file in Windows directory 6 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 9 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 behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 8 IoCs
- Suspicious use of SetWindowsHookEx 18 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-09-12_17181cc51df114dc21dd0a370c024e2d_cobalt-strike_elex_floxif_icedid_swisyn_vidar.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-12_17181cc51df114dc21dd0a370c024e2d_cobalt-strike_elex_floxif_icedid_swisyn_vidar.exe"1⤵
- 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:\users\admin\appdata\local\temp\2026-09-12_17181cc51df114dc21dd0a370c024e2d_cobalt-strike_elex_floxif_icedid_swisyn_vidar.exec:\users\admin\appdata\local\temp\2026-09-12_17181cc51df114dc21dd0a370c024e2d_cobalt-strike_elex_floxif_icedid_swisyn_vidar.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- 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\2026-09-12_17181cc51df114dc21dd0a370c024e2d_cobalt-strike_elex_floxif_icedid_swisyn_vidar.exec:\users\admin\appdata\local\temp\2026-09-12_17181cc51df114dc21dd0a370c024e2d_cobalt-strike_elex_floxif_icedid_swisyn_vidar.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Windows\Resources\Themes\icsys.icn.exeC:\Windows\Resources\Themes\icsys.icn.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Windows\Resources\Themes\icsys.icn.exeC:\Windows\Resources\Themes\icsys.icn.exe2⤵
- Executes dropped EXE
- 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: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- 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
- Loads dropped DLL
- 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 AdjustPrivilegeToken
- 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
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- 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
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- 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
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1AppInit DLLs
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1AppInit DLLs
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
symsrv.dll
2026-09-12_17181cc51df114dc21dd0a370c024e2d_cobalt-strike_elex_floxif_icedid_swisyn_vidar.exe.tmp
2026-09-12_17181cc51df114dc21dd0a370c024e2d_cobalt-strike_elex_floxif_icedid_swisyn_vidar.exe
770B6A47D0.tmp
explorer.exe
icsys.icn.exe
spoolsv.exe
svchost.exe
memory/1116-114-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1116-0-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1292-50-0x0000000010000000-0x0000000010030000-memory.dmp
memory/1292-57-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1292-56-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2000-51-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2000-60-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2000-9-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2000-15-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2416-108-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2416-109-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2416-76-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2956-32-0x0000000002530000-0x0000000002560000-memory.dmp
memory/2956-44-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2956-33-0x0000000002530000-0x0000000002560000-memory.dmp
memory/2956-31-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2956-45-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3336-112-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3336-36-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3336-113-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3336-96-0x0000000002DA0000-0x0000000002DBF000-memory.dmp
memory/3336-97-0x0000000010000000-0x0000000010030000-memory.dmp
memory/5044-131-0x0000000000400000-0x000000000041F000-memory.dmp
memory/5044-115-0x0000000010000000-0x0000000010030000-memory.dmp
memory/5044-89-0x0000000010000000-0x0000000010030000-memory.dmp
memory/5648-111-0x0000000010000000-0x0000000010030000-memory.dmp
memory/5648-65-0x0000000010000000-0x0000000010030000-memory.dmp
memory/5648-116-0x0000000010000000-0x0000000010030000-memory.dmp
memory/5648-130-0x0000000000400000-0x000000000041F000-memory.dmp
memory/6108-105-0x0000000000400000-0x000000000041F000-memory.dmp
memory/6108-106-0x0000000010000000-0x0000000010030000-memory.dmp
memory/6108-101-0x0000000010000000-0x0000000010030000-memory.dmp