Analysis
- max time kernel
150s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20250619-en - resource tags
- submitted
10/05/2026, 00:50
General
- Target 2026-05-10_c4997edca1e1cfd6c447d6be40445029_elex_floxif_wannacry.exe
- Size 1.2MB
- Sample260510-a7abjsav2j
- SHA256 b9811c515eec79453a769e5d2045bea25246d723233e1e17ce6378f361a638b0
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) 8 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.
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 3 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 8 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).
- 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 20 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-10_c4997edca1e1cfd6c447d6be40445029_elex_floxif_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-10_c4997edca1e1cfd6c447d6be40445029_elex_floxif_wannacry.exe"1⤵
- Checks computer location settings
- 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
-
C:\Users\Admin\AppData\Local\Temp\7zS48C03E37\BlueStacksInstaller.exe"C:\Users\Admin\AppData\Local\Temp\7zS48C03E37\BlueStacksInstaller.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\7zS48C03E37\BlueStacksInstaller.exe"C:\Users\Admin\AppData\Local\Temp\7zS48C03E37\BlueStacksInstaller.exe" "install" "2026-05-10_c4997edca1e1cfd6c447d6be40445029_elex_floxif_wannacry.exe" "null" "admin" "e8016a71-defc-4d7c-b551-b8be5d242a6b" "cb1c2e45-9df0-4c5c-8d18-92115203f3a0"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
symsrv.dll
symsrv.dll.000
BlueStacksMicroInstaller_4.240.0.1075.log
Logs.log
BlueStacksInstaller.exe
BlueStacksInstaller.exe.config
HD-Common-Native.dll
JSON.dll
i18n.en-US.txt
MachineID
VersionMachineId_4.240.0.1075
memory/3204-85-0x0000000075380000-0x00000000753E3000-memory.dmp
memory/3204-4-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3204-142-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3204-81-0x0000000075380000-0x00000000753E3000-memory.dmp
memory/3204-83-0x0000000075380000-0x00000000753E3000-memory.dmp
memory/3204-78-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3204-86-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3204-87-0x0000000075380000-0x00000000753E3000-memory.dmp
memory/3204-77-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3204-76-0x0000000075380000-0x00000000753E3000-memory.dmp
memory/3204-74-0x0000000075395000-0x0000000075396000-memory.dmp
memory/3204-123-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3204-105-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4760-99-0x000000001E470000-0x000000001E478000-memory.dmp
memory/4760-100-0x000000001B4E0000-0x000000001B518000-memory.dmp
memory/4760-101-0x000000001B4B0000-0x000000001B4BE000-memory.dmp
memory/4760-103-0x000000001F190000-0x000000001F1F8000-memory.dmp
memory/4760-107-0x0000000000DD0000-0x0000000000DDC000-memory.dmp
memory/5436-79-0x000000001B1E0000-0x000000001B1F0000-memory.dmp
memory/5436-62-0x00000000003F0000-0x0000000000494000-memory.dmp
memory/5436-70-0x000000001B1E0000-0x000000001B1F0000-memory.dmp
memory/5436-80-0x0000000000B10000-0x0000000000B1C000-memory.dmp