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Analysis
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max time kernel
119s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
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submitted
03/09/2024, 00:45
General
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Target
2024-09-03_ba389f5c4cfa433b4a62de51794e4b9e_avoslocker_cobalt-strike_floxif.exe
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Size
660KB
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MD5
ba389f5c4cfa433b4a62de51794e4b9e
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SHA1
e8c31c6003003409f8545cf68c3ca890cd085e8e
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SHA256
3d6ff8ba4149bf7f277131f048a93a059cdf6a28a68b369372aa2753eb64aa4a
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SHA512
52b46a139b5622a52f0d557138c77fe8da876b28e0fc5e38e505b35e4d38f2eb1725dc57bf0ecb680314220048ff1255d0aa6007b97b5b08db489a001f323b03
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SSDEEP
12288:QElbu0JN6R2TZsz1jxrMnVWqqPIBONhxsUzMi4BjvrEH7x/F:QElbdjLeX/xsUzvKrEH75F
Malware Config
Signatures
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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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UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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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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Drops file in Program Files directory 2 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 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-03_ba389f5c4cfa433b4a62de51794e4b9e_avoslocker_cobalt-strike_floxif.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-03_ba389f5c4cfa433b4a62de51794e4b9e_avoslocker_cobalt-strike_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
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD5b74e5cef97e9af3cfe6d97fb69996fa3
SHA1c4fe03f9f0e8c6739825efc136c7d10d654e0fb7
SHA256a6295b4a95261d307deca48d778e3edb657652cda92fce98d342689c7b96e8a8
SHA512fd530af5eddb011ded9036d73d4b550ce4b446505059924301ca30403c3f6e5af2ab8246180fa9e965d89ec45a4d85d755ac561bde5ee25833d7450f3e5a8809
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Filesize
4KB
MD5ea649ebd28d0e3e7e17e11961e47e608
SHA1e4182b62ac81230386cc828e872a04a8461ba3bf
SHA256a041e19fffbfb48407480ac3629f2498ffac54fe12b91f7502c8f58ffc111c93
SHA512f34c2ab26313758a16766ae99923ca3a3be7623b132be906b4e4248a24f6c1804d2ee51b916c07106854761d8bc2b51f2b30bd0a031569dc4bf5969278cc3778
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
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Filesize
192KB
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Filesize
608KB
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Filesize
192KB