Analysis
- max time kernel
148s - max time network
138s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
20/07/2026, 05:40
General
- Target 2026-07-20_e32aa24db7bdd9c539f5b7e6de008256_elex_floxif_mimic_pay2key_wannacry.exe
- Size 1.1MB
- Sample260720-gc2wmsav7y
- SHA256 03148f7d886c4bb41011b042e82104a3ae77839e762c28e8bb9e38417fee4ac0
Malware Config
Signatures
- Family: Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
- Detects Floxif payload 1 IoCs
- UPX dump on OEP (original entry point) 6 IoCs
- 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 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
- Hide Artifacts: Hidden Files and Directories 1 TTPs 1 IoCs
- UPX packed file 6 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Program Files directory 2 IoCs
- Drops file in Windows directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- System Location Discovery: System Language Discovery 1 TTPs 2 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 use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
- Views/modifies file attributes 1 TTPs 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-07-20_e32aa24db7bdd9c539f5b7e6de008256_elex_floxif_mimic_pay2key_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-20_e32aa24db7bdd9c539f5b7e6de008256_elex_floxif_mimic_pay2key_wannacry.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\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c attrib +h "C:\Windows\Temp\CoolInstall"2⤵
- Hide Artifacts: Hidden Files and Directories
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\attrib.exeattrib +h "C:\Windows\Temp\CoolInstall"3⤵
- Views/modifies file attributes
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C:\Windows\Temp\CoolInstall\CoolInstall.exe"C:\Windows\Temp\CoolInstall\CoolInstall.exe"2⤵
- Executes dropped EXE
- Enumerates connected drives
- 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\system32\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\temp\GetPart.bat3⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\Temp\COOLIN~1\Bin\CxDir\x64\CxDir.exe"C:\Windows\Temp\COOLIN~1"\Bin\CxDir\x64\CxDir.exe -mohong4⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
symsrv.dll
symsrv.dll.000
CxDir.exe
CoolInstall.exe
CoolInstall.ini
GetPart.bat
GetPart.log
memory/4316-106-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4316-102-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4316-109-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4316-3-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4316-112-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4492-99-0x0000000000400000-0x0000000000410000-memory.dmp