Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20250207-en -
resource tags
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submitted
07-02-2025 22:29
General
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Target
2025-02-07_376cfa73463e67d24b640f264f6e3c39_bkransomware_floxif.exe
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Size
776KB
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MD5
376cfa73463e67d24b640f264f6e3c39
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SHA1
84036632b492bd8ee2f2dad097f682e43f569bc2
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SHA256
3f2e22e05d7960109272774645cb9b39a2c49685f2f5d639caa53390f6bd444d
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SHA512
39aba4dfeb43b7bb3457caea8a3c18fffba77a4ea2995ade1da364b42f64b3a2b8a3872f35da71abf089138c10949ed1cb2f7ea9c48a2d3a0fe87dbb5aa4f8f5
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SSDEEP
12288:oPNLwHoy1CFMlutqDQF8oRrsau54823Kc1u2BjvrEH75:kLwIy1CFOPY8o9yXgKcNrEH75
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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Downloads MZ/PE file 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 10 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 9 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Drops file in Program Files directory 5 IoCs
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Program crash 2 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 2 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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System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
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Suspicious behavior: EnumeratesProcesses 6 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-02-07_376cfa73463e67d24b640f264f6e3c39_bkransomware_floxif.exe"C:\Users\Admin\AppData\Local\Temp\2025-02-07_376cfa73463e67d24b640f264f6e3c39_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 -pss -s 188 -p 4304 -ip 43041⤵
- Loads dropped DLL
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4304 -s 6241⤵
- Loads dropped DLL
- Program crash
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C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU5ODUiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODQ0NDQzNjAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0Nzk2ODU1OTgxIi8-PC9hcHA-PC9yZXF1ZXN0Pg1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2332 -s 5282⤵
- Loads dropped DLL
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2332 -ip 23321⤵
- Loads dropped DLL
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.2MB
MD5aecda427ee534a968b904dcaa379633d
SHA16bb892a07ce8a5746b7ea127579467539d8ef656
SHA256d935349c973d9d520bdd6a16111d7f02182058c5b8457b51b953ba848196f20b
SHA51223b4df6a7a5fdff41441542813ef54fc3bc5cf36b15db57d06c4756700757c0def3113aacecb011c92e5df6654e2d7c9c18c5eb842bdfe893621c5c936b8948b
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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
712KB
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Filesize
192KB
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Filesize
192KB
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Filesize
192KB
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Filesize
192KB
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Filesize
192KB