Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
24/12/2024, 18:24
General
- Target 2024-12-24_35e233a289c290ee5ee457d64efe7cec_floxif_icedid.exe
- Size 1.1MB
- Sample241224-w112kstlez
- SHA256 f8a0151f1ad3586afe8977411d13e99e10c29f2582292a9a6391e55a2974162a
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
- Downloads MZ/PE file
- 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.
- UPX packed file 6 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 8 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of SetWindowsHookEx 9 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-12-24_35e233a289c290ee5ee457d64efe7cec_floxif_icedid.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-24_35e233a289c290ee5ee457d64efe7cec_floxif_icedid.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 FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
symsrv.dll
symsrv.dll.000
memory/4232-4-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4232-6-0x0000000000465000-0x0000000000468000-memory.dmp
memory/4232-14-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4232-22-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4232-25-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4232-31-0x0000000010000000-0x0000000010030000-memory.dmp