Analysis

  • max time kernel
    94s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-12-2024 06:52

General

  • Target

    b6311c0c5639cd7f95eb1c9b4d4ada6ccde92405e6623aa423fee7627a35b014.exe

  • Size

    807KB

  • MD5

    0638d118d7f167bae2743c00437eca98

  • SHA1

    8abf949f0736ad6e2ae1d7fd1c7f9592cbe39a32

  • SHA256

    b6311c0c5639cd7f95eb1c9b4d4ada6ccde92405e6623aa423fee7627a35b014

  • SHA512

    0d2c9e464a71e40ce5567d97576840145ec265b63d8552d9abb7362f2333c4f6e4052e13a1de293a03831552b9751e0177488abb9d2cd29d4f9fcd9169a6da4b

  • SSDEEP

    24576:tle7I3LbywJ/REBR6M70rRZoHSrS3J+mWrEH7O:/rbWwcR6pfoyrSZ+mM

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
  • 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.

  • 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\b6311c0c5639cd7f95eb1c9b4d4ada6ccde92405e6623aa423fee7627a35b014.exe
    "C:\Users\Admin\AppData\Local\Temp\b6311c0c5639cd7f95eb1c9b4d4ada6ccde92405e6623aa423fee7627a35b014.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3252

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/3252-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3252-6-0x0000000000F71000-0x0000000000F72000-memory.dmp

    Filesize

    4KB

  • memory/3252-7-0x0000000000F70000-0x0000000001028000-memory.dmp

    Filesize

    736KB

  • memory/3252-9-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB