Analysis
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max time kernel
94s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
18-12-2024 12:29
General
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Target
2024-12-18_e4c9ea8ed24132d138ffd29ec592ba42_bkransomware_floxif.exe
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Size
4.7MB
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MD5
e4c9ea8ed24132d138ffd29ec592ba42
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SHA1
35ef024eecdc51996b821d2b029335a666289bea
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SHA256
78b3086b693d9ee9072c37e587e8b5df7819d5b6c154b663c1fabdcf437331c5
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SHA512
0c6fa6f54fad4b4fc550895ca5e6c292edc37db20a40ffd7237b6fd761e9f7a2ac49b88eea4ad17528e6e94a7fae64570c0210013ec8969ab176c525218507ab
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SSDEEP
98304:kBe40bl9dRPenSX5gSoCg0DHDB1dE46V3u/k:h3Nenqg8L/k
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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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
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Loads dropped DLL 1 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 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Drops file in Program Files directory 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
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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.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-12-18_e4c9ea8ed24132d138ffd29ec592ba42_bkransomware_floxif.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-18_e4c9ea8ed24132d138ffd29ec592ba42_bkransomware_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
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 12402⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3576 -ip 35761⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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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
4.8MB