Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-02-2025 07:02

General

  • Target

    2025-02-07_c4fe8232dd4d2892c36e61dc670f7f6b_bkransomware_floxif.exe

  • Size

    2.8MB

  • MD5

    c4fe8232dd4d2892c36e61dc670f7f6b

  • SHA1

    486f1730ccd9dc74ab5075ebe419f4ba82a6d4ff

  • SHA256

    3517969d20bf8c6158789b1639bbd609485d561fd65bf1b4e61fe70b9eeb3f87

  • SHA512

    48e03e0b52baa6ae52d80f8792a2bbaf07f7a86ba952af67a8a7157183accf1732ab5cd08ef1aa397009dccc591e4ab30766bdb3bbc113f642f48d1c67b6083f

  • SSDEEP

    49152:Q62LbFE2IgmACVcRF93LkEt4afabs5cSBvApu7uxAaWq+/hip9FNq2ViaCjuymgX:Q6CbAgmAC+RDLkI4afabsTmKux+sU2VC

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
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-02-07_c4fe8232dd4d2892c36e61dc670f7f6b_bkransomware_floxif.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-07_c4fe8232dd4d2892c36e61dc670f7f6b_bkransomware_floxif.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2100

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2100-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2100-5-0x000000000043B000-0x000000000043E000-memory.dmp

    Filesize

    12KB

  • memory/2100-6-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB