Analysis
- max time kernel
115s - max time network
110s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
16/08/2024, 05:37
General
- Target 8e64ac6dad3e1c2cbfb5a95bc67227a0N.exe
- Size 659KB
- Sample240816-gbdgnasclj
- SHA256 f2ca45e87d10973414c91834bbfc34ce41e8bc03069fd5f0ad85fa87bf4aa6e6
Malware Config
Signatures
- Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
- Detects Floxif payload 1 IoCs
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- UPX packed file 9 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\8e64ac6dad3e1c2cbfb5a95bc67227a0N.exe"C:\Users\Admin\AppData\Local\Temp\8e64ac6dad3e1c2cbfb5a95bc67227a0N.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\~sfx006D344889\±¸±Û ¹ø¿ª µµ¿ì¹Ì (x64).exe"C:\Users\Admin\AppData\Local\Temp\~sfx006D344889\±¸±Û ¹ø¿ª µµ¿ì¹Ì (x64).exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
symsrv.dll
symsrv.dll.000
GoogleTranslator.ini
Lang.txt
±¸±Û ¹ø¿ª µµ¿ì¹Ì (x64).exe
memory/2072-44-0x00000000755D0000-0x0000000075633000-memory.dmp
memory/2072-40-0x00000000755E5000-0x00000000755E6000-memory.dmp
memory/2072-41-0x00000000755D0000-0x0000000075633000-memory.dmp
memory/2072-0-0x0000000000400000-0x0000000000E3C000-memory.dmp
memory/2072-45-0x0000000000400000-0x0000000000E3C000-memory.dmp
memory/2072-46-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2072-48-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2072-53-0x00000000755D0000-0x0000000075633000-memory.dmp
memory/2072-4-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2072-57-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2072-61-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2072-73-0x0000000010000000-0x0000000010030000-memory.dmp