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Analysis
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max time kernel
93s -
max time network
101s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
28/09/2024, 10:44
General
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Target
2024-09-28_c29d2b34ea2e62b864897245e41f9a8b_avoslocker_cobalt-strike_floxif.exe
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Size
665KB
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MD5
c29d2b34ea2e62b864897245e41f9a8b
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SHA1
23367c39781b4819ad95fdc97ff7fb062110acf7
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SHA256
d3cacb7fdfff961c36eb22ae5ecfb75c91bdef9e219bb90ccdba1f7909a5dfbb
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SHA512
4a83b19b2c594fc732d03e86552f7ad9c14562982bca0bfb79fa0e0a3eeda74ad47eecbe304c09aecc3c8f0d70542a7dfe36030aca5ec8809dbd6f39fce1e098
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SSDEEP
12288:tHubXcOafJcLln5QwnVWqqPIBONhxsU/EbBjvrEH7lf:xurp90r/xsU/EhrEH7lf
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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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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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 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 2 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-28_c29d2b34ea2e62b864897245e41f9a8b_avoslocker_cobalt-strike_floxif.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-28_c29d2b34ea2e62b864897245e41f9a8b_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
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
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Filesize
6KB
MD5011fa861039916e3dac85d45c54d76e5
SHA1e98f5960e7e3db0a8c4cf26f0d30aa3f96b79ff4
SHA25620e831a47237a6078e38532ef3b267e2a003ee67201cf9047868e274783e557f
SHA5128f49f6d51de851ee7c2ba2b8fe7a70bff6481ef051815df19c5da3e918c73b92100af8511fed4c384326cefe185b9585508ca10238cc70be9f9665927b846eb5
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Filesize
192KB
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Filesize
616KB
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Filesize
192KB