Analysis
- max time kernel
118s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
16/08/2024, 16:29
General
- Target db923823ee014a9da6a791f370b03710N.exe
- Size 119KB
- Sample240816-tzkxvsvcnd
- SHA256 5bfccd03cb615069780a541061ecec29d1026be1278db68c8ac71503b1b1022b
Malware Config
Signatures
- Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
- Detected Nirsoft tools 1 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
- Detects Floxif payload 1 IoCs
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
- Loads dropped DLL 1 IoCs
- UPX packed file 5 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
- 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\db923823ee014a9da6a791f370b03710N.exe"C:\Users\Admin\AppData\Local\Temp\db923823ee014a9da6a791f370b03710N.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
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
symsrv.dll
memory/1820-0-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1820-5-0x0000000010000000-0x0000000010030000-memory.dmp
memory/1820-12-0x0000000076F75000-0x0000000076F76000-memory.dmp
memory/1820-13-0x0000000076F60000-0x0000000076FC3000-memory.dmp
memory/1820-16-0x0000000076F60000-0x0000000076FC3000-memory.dmp
memory/1820-17-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1820-18-0x0000000010000000-0x0000000010030000-memory.dmp
memory/1820-19-0x0000000076F60000-0x0000000076FC3000-memory.dmp