Analysis

  • max time kernel
    94s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 19:36

General

  • Target

    caf3e8726cd74745ce9ef88b9e80dba6fcfc191e148b3201b9da1aad809146eaN.exe

  • Size

    360KB

  • MD5

    7b428800624502f04b3e37c1eee957b0

  • SHA1

    c5e31980f04080a4c7feeede0c3b850c78e4839e

  • SHA256

    caf3e8726cd74745ce9ef88b9e80dba6fcfc191e148b3201b9da1aad809146ea

  • SHA512

    5ea20e8f560980c7b9ea1b95859a89514419f5261ff825962cf91f1a1c5864b320499601fb2b1cb344e4491e665b1d105ac49774305f2f7b75c0cc4905ceee14

  • SSDEEP

    6144:a4qdlPDgRux4fC+2vCM/9TEs4BV+UdvrEFp7hKc0:a9dl7gi4fb2vZuTBjvrEH710

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
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • UPX packed file 3 IoCs

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

  • 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
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\caf3e8726cd74745ce9ef88b9e80dba6fcfc191e148b3201b9da1aad809146eaN.exe
    "C:\Users\Admin\AppData\Local\Temp\caf3e8726cd74745ce9ef88b9e80dba6fcfc191e148b3201b9da1aad809146eaN.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
    • Suspicious use of SetWindowsHookEx
    PID:5004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/5004-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/5004-6-0x0000000000406000-0x0000000000409000-memory.dmp

    Filesize

    12KB

  • memory/5004-12-0x0000000000400000-0x0000000000447000-memory.dmp

    Filesize

    284KB

  • memory/5004-15-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/5004-16-0x0000000000400000-0x0000000000447000-memory.dmp

    Filesize

    284KB