Analysis
- max time kernel
82s - max time network
118s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
23/08/2024, 18:06
General
- Target e3c28f42eeab8f11fc1e8a03f42bdc30N.dll
- Size 955KB
- Sample240823-wpzdlsybmd
- SHA256 b50231c62bb8b1e8aadf8b8935355fe36ef9426ae3a21cbec3219b6a398ee44e
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
- 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 4 IoCs
- UPX packed file 4 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Program Files directory 1 IoCs
- Program crash 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.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e3c28f42eeab8f11fc1e8a03f42bdc30N.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e3c28f42eeab8f11fc1e8a03f42bdc30N.dll,#12⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 7163⤵
- Loads dropped DLL
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1944 -ip 19441⤵
- Loads dropped DLL
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
symsrv.dll
memory/1944-7-0x0000000000EB0000-0x0000000000EE0000-memory.dmp
memory/1944-6-0x0000000000EB0000-0x0000000000EE0000-memory.dmp
memory/1944-13-0x0000000000EB0000-0x0000000000EE0000-memory.dmp
memory/1944-11-0x0000000010000000-0x00000000100DF000-memory.dmp