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Analysis
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max time kernel
121s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20240903-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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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 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-28_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
3KB
MD575ccff06be45b0ef060a1292aa791e4f
SHA1f07a36e313d233864db84c6735555c7f3367d693
SHA256e053f7583779ab05edc8f1daab31f691bc6192c8d1ee421a791d717b477e2841
SHA512d867cd9db96c809856777aa9835241d3e116881db3ff2e0b9286c8e8f597ba3cf3c7471337e6834a07e7be4ec4242a1eebe6f230db7f7d0084781bd927545ab9
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Filesize
6KB
MD59bc5bd52dd18559d4ee0489eb22d8558
SHA18db3d6cd634de00bcfbfb3ecd2928fbbb18a2453
SHA256439bab84ffa4d73d1b8048923db8d5112794e43e344b0eb8b56c9c1f2981282a
SHA5129b4dac063ddd128c7318b49387f164601f2822058fe968e068c60cb0cc58d45120c1634230c13802ab74325a39efefc604d8fc24c395c541fd9a0c340a963ebf
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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
616KB