Analysis

  • max time kernel
    149s
  • max time network
    94s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    25/05/2026, 15:22

General

  • Target
    2026-05-25_e3c781b9e81c9be721a9ad020f4a844a_amadey_elex_floxif_poet-rat_remcos_smoke-loader_stop.exe
  • Size 3.6MB
  • Sample260525-sr5fvsct8r
  • SHA256 a5e90e77fffd8ed2e7e4c8f368ada8adae8748e5e9311e5ed9f830e447348eca
  • 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
  • Custom signature
    UPX dump on OEP (original entry point) 5 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • UPX packed file 5 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 2 IoCs

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

  • Modifies data under HKEY_USERS 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 10 IoCs
  • Suspicious use of SendNotifyMessage 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-25_e3c781b9e81c9be721a9ad020f4a844a_amadey_elex_floxif_poet-rat_remcos_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-25_e3c781b9e81c9be721a9ad020f4a844a_amadey_elex_floxif_poet-rat_remcos_smoke-loader_stop.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4012
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
    1⤵
    • Modifies data under HKEY_USERS
    PID:572
  • C:\Users\Admin\AppData\Local\Temp\2026-05-25_e3c781b9e81c9be721a9ad020f4a844a_amadey_elex_floxif_poet-rat_remcos_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-25_e3c781b9e81c9be721a9ad020f4a844a_amadey_elex_floxif_poet-rat_remcos_smoke-loader_stop.exe" /autostart
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:6088

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

        network.log

        • Path C:\Users\Admin\AppData\Local\Google\Google+ Auto Backup\network.log
        • Size 463B
        • SHA256 8c9907c0adc2deb9afeddf47fa358a1ed8e59e6d15dbac92329825d532126b00
        • MD5 SHA1 SHA512 TLSH

        wiatrace.log

        • Path C:\Windows\Debug\WIA\wiatrace.log
        • Size 591B
        • SHA256 e295927556a6478f4adbe1620d9c360919c71d223991b27101eb78b3e8b2a35e
        • MD5 SHA1 SHA512 TLSH

        memory/4012-4-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4012-9-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/6088-12-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/6088-17-0x0000000010000000-0x0000000010030000-memory.dmp