Analysis
- max time kernel
119s - max time network
120s - platform
windows7_x64 - resource
win7-20240903-en - resource tags
- submitted
14/09/2024, 00:27
General
- Target 2024-09-14_748da875840f2e2c2690b830edfd7397_avoslocker_cobalt-strike_floxif.exe
- Size 665KB
- Sample240914-arvmjsxhkh
- SHA256 8c84110b6de408ddc9d9e1b13bfb487543a75d8b4423581652bbfb85ed87acd5
Score
10/10
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.
- Loads dropped DLL 1 IoCs
- UPX packed file 3 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 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-09-14_748da875840f2e2c2690b830edfd7397_avoslocker_cobalt-strike_floxif.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-14_748da875840f2e2c2690b830edfd7397_avoslocker_cobalt-strike_floxif.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
log.txt
symsrv.dll
memory/1796-3-0x0000000010000000-0x0000000010030000-memory.dmp
memory/1796-62-0x0000000010000000-0x0000000010030000-memory.dmp
memory/1796-61-0x0000000000C10000-0x0000000000CAA000-memory.dmp