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Analysis

  • max time kernel
    93s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/12/2024, 16:24

General

  • Target

    2024-12-18_ce8a175e281ed9bc496f3348d1c8b897_bkransomware_floxif_karagany.exe

  • Size

    158KB

  • MD5

    ce8a175e281ed9bc496f3348d1c8b897

  • SHA1

    c46c2563270ccdaa51c092b01469af01024cabd5

  • SHA256

    d0637693a40dc33c8be055e12dca88f3a5fbf95f70668731ac88a6ea5435e158

  • SHA512

    30ef455289f9fdf2c342b7a7b8b1b888ee1c0121b84af6f51ae8a55f838e99d92bd5961d290f67d39b1af32961a0156a701ca804daf30469571f0890a179afd7

  • SSDEEP

    3072:++FqyRmksskykQ4SR2lQBV+UdE+rECWp7hKUzp7:rpmFskNuBV+UdvrEFp7hKO

Malware Config

Signatures

  • Floxif family
  • Floxif, Floodfix

    Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

  • Detects Floxif payload 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 1 IoCs
  • 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.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-18_ce8a175e281ed9bc496f3348d1c8b897_bkransomware_floxif_karagany.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-18_ce8a175e281ed9bc496f3348d1c8b897_bkransomware_floxif_karagany.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:5076

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Common Files\System\symsrv.dll

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/5076-2-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/5076-6-0x0000000000711000-0x0000000000712000-memory.dmp

    Filesize

    4KB

  • memory/5076-7-0x0000000000710000-0x000000000072A000-memory.dmp

    Filesize

    104KB

  • memory/5076-9-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB