Analysis
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max time kernel
142s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
22-12-2024 15:21
General
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Target
2024-12-22_438513d384da72eb7a6003ab4a2b2c7e_floxif_mafia.exe
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Size
266KB
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MD5
438513d384da72eb7a6003ab4a2b2c7e
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SHA1
c17ea2b5d61266710e120742ffad21e03a01bfb3
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SHA256
c3de3078bfff92642d99055c9f5c3bc86942b71ed87062900e5d411b9234b949
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SHA512
c1908e7b8d58244943a02a0a11e919fe6417354168d4dfe33a3800e3c32e9536482eb59d5c8b9c6beab0482bd3d81a03cd38283be2f502549dd19d29b4cf1c43
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SSDEEP
6144:qWBak3njoH1qs8r+1i5W/4QpAtwBV+UdvrEFp7hKhL8:1/joHr8r+1i5q4Qp6wBjvrEH7B
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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Detects Floxif payload 1 IoCs
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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.
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL 2 IoCs
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Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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UPX packed file 5 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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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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Modifies registry class 1 IoCs
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Opens file in notepad (likely ransom note) 1 IoCs
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-12-22_438513d384da72eb7a6003ab4a2b2c7e_floxif_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-22_438513d384da72eb7a6003ab4a2b2c7e_floxif_mafia.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\HWID.txt2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Opens file in notepad (likely ransom note)
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
271B
MD573517c75bd448c1cfe227e4a1d1ab9fd
SHA1889ba585978a2ec00074d9381e4a9b9a8693cadd
SHA2563560d4489744190ebab9987c5d42bc0eb818fbca54aa23aa5d044c4af53a8a79
SHA512624324a6d171e9ffacb1865836c421c944196728ef164ca15d7b8ca88f2eecd9f90942c2b8196f82003270c885573344ca3b0d0e7e4b1033f747e4bb9cbc50ca
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
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Filesize
192KB
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Filesize
192KB
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Filesize
192KB
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Filesize
4KB
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Filesize
1.2MB
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Filesize
192KB