Analysis

  • max time kernel
    102s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-08-2024 17:31

General

  • Target

    a93578d11d9262aee7956e4ce47fc500N.exe

  • Size

    2.3MB

  • MD5

    a93578d11d9262aee7956e4ce47fc500

  • SHA1

    c6278ffafeef0f60b1d4b1ec118e4b7074f40440

  • SHA256

    8b07618925c21d30b8d1cb7819235cb46b0bb303d861cb05e44e7acf35dc677e

  • SHA512

    32928c16c0e253e4568af83f9f4197611e7850195fd28c0b287a18229c4efcaf4db0a760f6b26053270980c85fa2aa6d8128f5cece19c0171021bd98be87168e

  • SSDEEP

    49152:R1RIeZdIijEzjjuPLfXj7aVnLVh4HcvGd733iJtN0OE0Q6rPq+sm8YiH:R1RHdzitnXg

Malware Config

Signatures

  • 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.

  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 2 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a93578d11d9262aee7956e4ce47fc500N.exe
    "C:\Users\Admin\AppData\Local\Temp\a93578d11d9262aee7956e4ce47fc500N.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
    PID:628

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/628-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/628-5-0x0000000000403000-0x0000000000406000-memory.dmp

    Filesize

    12KB

  • memory/628-11-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/628-16-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/628-17-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB