Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
01/09/2024, 02:15
General
- Target c0681ce8cf65f989fd87729bffb353ae615fa8e40b52ff85741e7a191ef93959.exe
- Size 135KB
- Sample240901-cpnsbsygnc
- SHA256 c0681ce8cf65f989fd87729bffb353ae615fa8e40b52ff85741e7a191ef93959
Malware Config
Signatures
- Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
- Detects Floxif payload 1 IoCs
- Blocks application from running via registry modification 1 IoCs
Adds application to list of disallowed applications.
- Disables RegEdit via registry modification 1 IoCs
- Disables Task Manager via registry modification
- Disables cmd.exe use via registry modification 1 IoCs
- 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 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 10 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\c0681ce8cf65f989fd87729bffb353ae615fa8e40b52ff85741e7a191ef93959.exe"C:\Users\Admin\AppData\Local\Temp\c0681ce8cf65f989fd87729bffb353ae615fa8e40b52ff85741e7a191ef93959.exe"1⤵
- Blocks application from running via registry modification
- Disables RegEdit via registry modification
- Disables cmd.exe use via registry modification
- 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
symsrv.dll.000
memory/3964-16-0x0000000000400000-0x000000000043D000-memory.dmp
memory/3964-11-0x0000000075835000-0x0000000075836000-memory.dmp
memory/3964-12-0x0000000075820000-0x0000000075883000-memory.dmp
memory/3964-15-0x0000000075820000-0x0000000075883000-memory.dmp
memory/3964-0-0x0000000000400000-0x000000000043D000-memory.dmp
memory/3964-17-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3964-20-0x0000000075820000-0x0000000075883000-memory.dmp
memory/3964-25-0x0000000075820000-0x0000000075883000-memory.dmp
memory/3964-27-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3964-4-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3964-33-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3964-45-0x0000000010000000-0x0000000010030000-memory.dmp