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Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
05/05/2024, 00:34
General
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Target
2024-05-05_46117be399d6c9cda28a90eac4a560dc_bkransomware_floxif.exe
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Size
3.6MB
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MD5
46117be399d6c9cda28a90eac4a560dc
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SHA1
92a08e390cacc10500a4ef99ea69142c94a6d96a
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SHA256
e4aa59cadd3b9ec0eb55d96fa4a1e2d44eb8b0f654c342c1ec9f0d7fbf1405ce
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SHA512
a6bcb7a05cd708b59f5abc612a558eb636731baaca47b8ea0448648c4f14cdcc400631c9f492941940704f04b2f9acca17074d550af55ded2951fffb8949662e
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SSDEEP
98304:gt4aYo4EQz0pscuHh3OFumPPrzgpkFLOAkGkzdnEVomFHKnPwX:gBBM2vFPrzgOFLOyomFHKnPwX
Malware Config
Signatures
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UPX dump on OEP (original entry point) 3 IoCs
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Modifies AppInit DLL entries 2 TTPs
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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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Suspicious behavior: EnumeratesProcesses 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-05_46117be399d6c9cda28a90eac4a560dc_bkransomware_floxif.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-05_46117be399d6c9cda28a90eac4a560dc_bkransomware_floxif.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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
192KB
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Filesize
192KB
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Filesize
3.6MB