Analysis
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max time kernel
94s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
20-12-2024 05:39
General
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Target
2024-12-20_f8e7ab0abf32df3b50c45c79bae1e0d7_bkransomware_floxif.exe
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Size
4.7MB
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MD5
f8e7ab0abf32df3b50c45c79bae1e0d7
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SHA1
b1df16d73bf6ece473d3c6e07babe1644e32548d
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SHA256
f4849503b703f578cb2ba822a3aca7cc63b8106e13ea18797c94cf211b9b0bde
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SHA512
395e634437df7ef87543676c0775af1a05f1dc3332ba1d62f9a45fb03aac1ab9bcb6b2cd31b7f72e1c72a25e083fc437ccef373e1e4ca441b5c58bf11d01a89e
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SSDEEP
98304:kBe40bl9dRPenSX5BSoC90DHDB1dE46V3u/Q:h3NenJ98L/Q
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\2024-12-20_f8e7ab0abf32df3b50c45c79bae1e0d7_bkransomware_floxif.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-20_f8e7ab0abf32df3b50c45c79bae1e0d7_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 792 -s 12642⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 792 -ip 7921⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
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