Overview

overview

10

Static

static

5

2026-08-13...ar.exe

windows10-2004-x64

10

2026-08-13...ar.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    13/08/2026, 14:54

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General

  • Target
    2026-08-13_c5d187a7f73af3199152fbe56d2f8ef6_amadey_cobalt-strike_elex_floxif_icedid_luca-stealer_njrat_stealc_vidar.exe
  • Size 6.4MB
  • Sample260813-r99mvsbf42
  • SHA256 13e7327cf961a1400fce641371f35ba6c414ef8cf2c6405a6bf3e7257d0e7bb6
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
backdoordiscoveryfloxifspywarestealertrojanupx

Malware Config

Signatures

  • Family: Floxif, Floodfix

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

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

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • 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.

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

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

  • 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.

    discovery
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-13_c5d187a7f73af3199152fbe56d2f8ef6_amadey_cobalt-strike_elex_floxif_icedid_luca-stealer_njrat_stealc_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-13_c5d187a7f73af3199152fbe56d2f8ef6_amadey_cobalt-strike_elex_floxif_icedid_luca-stealer_njrat_stealc_vidar.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
    • Suspicious use of WriteProcessMemory
    PID:3036
    • C:\Users\Admin\AppData\Local\Temp\geek64.exe
      C:\Users\Admin\AppData\Local\Temp\geek64.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2516

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
        Submit Download

        symsrv.dll.000
        • Path C:\Program Files\Common Files\System\symsrv.dll.000
        • Size 114B
        • SHA256 aefc503b1ed462d7b6280228a7b5b710792273b78934426f88325341ac5b5a92
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        geek64.exe
        • Path C:\Users\Admin\AppData\Local\Temp\geek64.exe
        • Size 3.5MB
        • SHA256 96aa5f89be605d248c4da8042cbeb322927907a48c0e888399ee4e840b59ee8d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3036-3-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/3036-11-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/3036-15-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/3036-27-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/3036-30-0x0000000010000000-0x0000000010030000-memory.dmp
        Download