Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    09/08/2026, 06:40

General

  • Target
    2026-08-09_88970d5e57839d0d4a08e4a154f70ac1_coinminer_elex_floxif_mimic_pay2key_wannacry.exe
  • Size 3.4MB
  • Sample260809-hfgwbaseka
  • SHA256 74d5dbe4bac4875f924142f5dc44aba05e7d48230ecb8adeebf61130ed8a8ef5
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Floxif, Floodfix

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

  • Detects Floxif payload 1 IoCs
  • UPX dump on OEP (original entry point) 6 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 6 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-09_88970d5e57839d0d4a08e4a154f70ac1_coinminer_elex_floxif_mimic_pay2key_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-09_88970d5e57839d0d4a08e4a154f70ac1_coinminer_elex_floxif_mimic_pay2key_wannacry.exe"
    1⤵
    • Checks computer location settings
    • 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 WriteProcessMemory
    PID:3564
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\AnhdvBoot.bat" "
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3996
      • C:\Windows\SysWOW64\mode.com
        mode con lines=25 cols=90
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1816

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        symsrv.dll

        • Path C:\Program Files\Common Files\System\symsrv.dll
        • Size 67KB
        • SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AnhdvBoot.bat

        • Path C:\Users\Admin\AppData\Local\Temp\AnhdvBoot.bat
        • Size 9KB
        • SHA256 fc5b5be144ec802469783daa5e39350d4e97b31044ea6dbd1bf9df61ac2a2092
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3564-82-0x0000000075AD0000-0x0000000075B33000-memory.dmp

        memory/3564-72-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/3564-76-0x0000000075AE5000-0x0000000075AE6000-memory.dmp

        memory/3564-77-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/3564-4-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/3564-83-0x0000000075AD0000-0x0000000075B33000-memory.dmp

        memory/3564-84-0x0000000075AD0000-0x0000000075B33000-memory.dmp

        memory/3564-88-0x0000000075AD0000-0x0000000075B33000-memory.dmp

        memory/3564-89-0x0000000075AD0000-0x0000000075B33000-memory.dmp

        memory/3564-91-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/3564-94-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/3564-95-0x0000000075AD0000-0x0000000075B33000-memory.dmp