Overview

overview

10

Static

static

10

af8533814f...7a.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    18/09/2026, 04:26

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General

  • Target
    af8533814f06b44290ad45c667751dfc97d87cc025fe12e5b3f28b0a10630e7a.exe
  • Size 273KB
  • Sample260918-e2m3nsad79
  • SHA256 af8533814f06b44290ad45c667751dfc97d87cc025fe12e5b3f28b0a10630e7a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
discoverysfonepersistencespywarestealerworm

Malware Config

Signatures

  • Family: Sfone

    Sfone is a worm written in C++.

    wormsfone
  • Detects Sfone worm 2 IoCs
  • Checks computer location settings 2 TTPs 4 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 17 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 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 64 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\af8533814f06b44290ad45c667751dfc97d87cc025fe12e5b3f28b0a10630e7a.exe
    "C:\Users\Admin\AppData\Local\Temp\af8533814f06b44290ad45c667751dfc97d87cc025fe12e5b3f28b0a10630e7a.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4688
    • C:\Users\Admin\AppData\Local\Temp\af8533814f06b44290ad45c667751dfc97d87cc025fe12e5b3f28b0a10630e7a.exe
      "C:\Users\Admin\AppData\Local\Temp\af8533814f06b44290ad45c667751dfc97d87cc025fe12e5b3f28b0a10630e7a.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5016
      • C:\Users\Admin\AppData\Local\Temp\af8533814f06b44290ad45c667751dfc97d87cc025fe12e5b3f28b0a10630e7a.exe
        "C:\Users\Admin\AppData\Local\Temp\af8533814f06b44290ad45c667751dfc97d87cc025fe12e5b3f28b0a10630e7a.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3556
  • C:\Windows\mssrv.exe
    C:\Windows\mssrv.exe
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4604
    • C:\Windows\mssrv.exe
      "C:\Windows\mssrv.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2240
      • C:\Windows\mssrv.exe
        "C:\Windows\mssrv.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:3968
    • C:\Windows\mssrv.exe
      "C:\Windows\mssrv.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:4668

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        gay sleeping (Janette).zip.exe
        • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\gay sleeping (Janette).zip.exe
        • Size 463KB
        • SHA256 dd4af2cab48058bda0ad8da29c9d5135b4105ea01b8d6543afd5ffcf88589cd7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        mssrv.exe
        • Path C:\Windows\mssrv.exe
        • Size 168KB
        • SHA256 d1ce4551cf111fa30230417e258b67658950e1bc30715c85b8e243ca75216876
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        debug.txt
        • Path C:\debug.txt
        • Size 146B
        • SHA256 5f56bee55565418012b6160f7d42759f4e6f109160bfbccc57906c9ec2fe2d71
        • MD5 SHA1 SHA512 TLSH
        Submit Download