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Analysis
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max time kernel
92s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
01/01/2025, 13:16
General
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Target
1e0f60f40d567e3a71c4eaee3deea7cd3520145f35e4614d80c4433d106f99f3N.exe
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Size
740KB
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MD5
bf0886b266d36fc2d2b477699b2d8500
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SHA1
c2165705f43dc1b9e79f7664460b8c66fbdc8fbf
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SHA256
1e0f60f40d567e3a71c4eaee3deea7cd3520145f35e4614d80c4433d106f99f3
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SHA512
b1e036dfb4cddc38eff1aa3080db87ff193f95b33bc0a12af5b8decb25ba50cfcade2f0d511eb6bd8a2921b601984b4cff6c7adf995e217836cd7a601365e4da
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SSDEEP
12288:DTyjXW+48qWywrU4kGFezOwsuJ5PIiww7F5DO3HYffnBjvrEH7u:fIXW/8yw1ezdlIsF5SXYHlrEH7u
Malware Config
Signatures
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Floxif family
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Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
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Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
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Detects Floxif payload 1 IoCs
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 1 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Drops file in Program Files directory 2 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 2 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\1e0f60f40d567e3a71c4eaee3deea7cd3520145f35e4614d80c4433d106f99f3N.exe"C:\Users\Admin\AppData\Local\Temp\1e0f60f40d567e3a71c4eaee3deea7cd3520145f35e4614d80c4433d106f99f3N.exe"1⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- 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 SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exeC:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Modify Registry
3Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
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Filesize
664KB
MD59f4ad2e1a21330ed5442d666e37a3b47
SHA1af241db65197924eab63e20fd481bbdd8aafb053
SHA256d895f7d839dedecac0558587ec722eb06ecf352399380aa6137052e1bc168783
SHA512c9763e0c148ac7ced9263256afaae6d08de6a6b42a688df91d2faf7973ae725da9ed74cd88f1393ce6aa96e8bd227da9c0c7421af2be21427c3d102bd7018dfb
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Filesize
192KB
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Filesize
4KB
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Filesize
192KB