Analysis
- max time kernel
144s - max time network
115s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
07/09/2024, 12:26
General
- Target Trojan.Hooker.ATA_virussign.com_78e6638c1efebd6dbd0968d112f8e43e.exe
- Size 6.3MB
- Sample240907-pmhjravclc
- SHA256 e40e040b7604a94d6f9db5175e1a1cc4eb762c035c90ba49f952e723a9c8258a
Malware Config
Signatures
- 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
- UPX packed file 6 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 1 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.
- Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 3 IoCs
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Trojan.Hooker.ATA_virussign.com_78e6638c1efebd6dbd0968d112f8e43e.exe"C:\Users\Admin\AppData\Local\Temp\Trojan.Hooker.ATA_virussign.com_78e6638c1efebd6dbd0968d112f8e43e.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
symsrv.dll
memory/2604-4-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2604-6-0x0000000000D61000-0x0000000000D62000-memory.dmp
memory/2604-11-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2604-12-0x0000000000D60000-0x000000000139D000-memory.dmp
memory/2604-15-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2604-25-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2604-37-0x0000000010000000-0x0000000010030000-memory.dmp