Analysis
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max time kernel
117s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
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submitted
12-12-2024 05:23
General
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Target
2024-12-12_4ba01fb6736d7eba31916e90603e7399_bkransomware_floxif.exe
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Size
12.4MB
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MD5
4ba01fb6736d7eba31916e90603e7399
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SHA1
e658379e9433f9de520bc52d2d2e4fb473434eee
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SHA256
98e17929bd89d7ec162b1ef16be8c101bdd6b50a4bc301be3e66f839e3c6ef18
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SHA512
0cadd43dec996186767b19f1d3c73f9ab5658fe71ed26d74438e5857c94a993f38cb928bf535680960359a4840da54952cf067e7e33885daa600db8d5fd1c54e
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SSDEEP
98304:NrHqmH10K96SwYIctkdjDDAOfDQter0vobgKznixRuaa5lQTQYbMAiOWqfnPoR6V:NlEXYkda+fziq5lQQYbMAimgeXSg9
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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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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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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UPX packed file 5 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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Modifies system certificate store 2 TTPs 3 IoCs
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Suspicious behavior: EnumeratesProcesses 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of FindShellTrayWindow 1 IoCs
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Suspicious use of SendNotifyMessage 1 IoCs
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Suspicious use of SetWindowsHookEx 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-12-12_4ba01fb6736d7eba31916e90603e7399_bkransomware_floxif.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-12_4ba01fb6736d7eba31916e90603e7399_bkransomware_floxif.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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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
192KB
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Filesize
12.5MB
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Filesize
192KB
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Filesize
12.5MB