Analysis
- max time kernel
116s - max time network
95s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
11/11/2024, 10:42
General
- Target d44e65d6d8a8d40223b76136e0a3ab21c61ebd7eff2aa8eb89215fdb4ff09901N.exe
- Size 6.7MB
- Sample241111-mrwwtsyarn
- SHA256 d44e65d6d8a8d40223b76136e0a3ab21c61ebd7eff2aa8eb89215fdb4ff09901
Malware Config
Signatures
- Floxif family
- Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
- Detects Floxif payload 1 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.
- Loads dropped DLL 1 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 1 IoCs
- UPX packed file 7 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Program Files directory 2 IoCs
- 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\d44e65d6d8a8d40223b76136e0a3ab21c61ebd7eff2aa8eb89215fdb4ff09901N.exe"C:\Users\Admin\AppData\Local\Temp\d44e65d6d8a8d40223b76136e0a3ab21c61ebd7eff2aa8eb89215fdb4ff09901N.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
-
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
- Drops file in System32 directory
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
symsrv.dll
symsrv.dll.000
memory/456-28-0x0000000010000000-0x0000000010030000-memory.dmp
memory/456-31-0x0000000000400000-0x0000000000B92000-memory.dmp
memory/456-14-0x0000000000400000-0x0000000000B92000-memory.dmp
memory/456-22-0x0000000010000000-0x0000000010030000-memory.dmp
memory/456-21-0x0000000000400000-0x0000000000B92000-memory.dmp
memory/456-16-0x0000000010000000-0x0000000010030000-memory.dmp
memory/456-4-0x0000000010000000-0x0000000010030000-memory.dmp
memory/456-27-0x0000000000400000-0x0000000000B92000-memory.dmp
memory/456-29-0x0000000000400000-0x0000000000B92000-memory.dmp
memory/456-15-0x0000000010000000-0x0000000010030000-memory.dmp
memory/456-33-0x0000000000400000-0x0000000000B92000-memory.dmp
memory/456-35-0x0000000000400000-0x0000000000B92000-memory.dmp
memory/456-37-0x0000000000400000-0x0000000000B92000-memory.dmp
memory/456-40-0x0000000010000000-0x0000000010030000-memory.dmp
memory/456-39-0x0000000000400000-0x0000000000B92000-memory.dmp
memory/456-41-0x0000000000400000-0x0000000000B92000-memory.dmp
memory/456-43-0x0000000000400000-0x0000000000B92000-memory.dmp