Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    08-01-2025 23:56

General

  • Target

    Nexol.exe

  • Size

    400KB

  • MD5

    452a78e8f8426755df51232f79625d03

  • SHA1

    77ef222547c42d9c022f39e1ba1ef14295e2fd71

  • SHA256

    6260e990f752752a447c4fa2d65de92c6c793a9b725c55794c9e03270c143b47

  • SHA512

    546432493e592a86c3b05dd9ad2c0a9fb0d46f2523d3b9f36a8cb14a972a05ac6bc1686ca08bac987642c9b864df7f0772f7536738ab459dd2ef1d54106982e0

  • SSDEEP

    6144:80bS4ZyK0FboqEMJYYPN/6Ur3uZEqRryQml3khxPZ61yV4MWYguHOsvOX5LR4T6s:80b9ATBNPLuZUiZW84QguHjeRgP

Score
10/10

Malware Config

Extracted

Family

lumma

C2

https://robinsharez.shop/api

https://handscreamny.shop/api

https://chipdonkeruz.shop/api

https://versersleep.shop/api

https://crowdwarek.shop/api

https://apporholis.shop/api

https://femalsabler.shop/api

https://soundtappysk.shop/api

Signatures

  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Lumma family
  • .NET Reactor proctector 1 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Suspicious use of SetThreadContext 2 IoCs
  • Program crash 1 IoCs
  • 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 use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Nexol.exe
    "C:\Users\Admin\AppData\Local\Temp\Nexol.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3252
    • C:\Users\Admin\AppData\Local\Temp\Nexol.exe
      "C:\Users\Admin\AppData\Local\Temp\Nexol.exe"
      2⤵
        PID:2460
      • C:\Users\Admin\AppData\Local\Temp\Nexol.exe
        "C:\Users\Admin\AppData\Local\Temp\Nexol.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        PID:2324
      • C:\Users\Admin\AppData\Local\Temp\Nexol.exe
        "C:\Users\Admin\AppData\Local\Temp\Nexol.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        PID:2524
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3252 -s 824
        2⤵
        • Program crash
        PID:4968
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3252 -ip 3252
      1⤵
        PID:4424

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2324-5-0x0000000000400000-0x000000000045B000-memory.dmp

        Filesize

        364KB

      • memory/2324-7-0x0000000000400000-0x000000000045B000-memory.dmp

        Filesize

        364KB

      • memory/2324-13-0x0000000000400000-0x000000000045B000-memory.dmp

        Filesize

        364KB

      • memory/2524-12-0x0000000000400000-0x000000000045B000-memory.dmp

        Filesize

        364KB

      • memory/3252-0-0x00000000748EE000-0x00000000748EF000-memory.dmp

        Filesize

        4KB

      • memory/3252-1-0x0000000000130000-0x000000000019A000-memory.dmp

        Filesize

        424KB

      • memory/3252-2-0x00000000051B0000-0x0000000005756000-memory.dmp

        Filesize

        5.6MB

      • memory/3252-3-0x00000000748E0000-0x0000000075091000-memory.dmp

        Filesize

        7.7MB

      • memory/3252-11-0x00000000748E0000-0x0000000075091000-memory.dmp

        Filesize

        7.7MB

      • memory/3252-14-0x00000000748E0000-0x0000000075091000-memory.dmp

        Filesize

        7.7MB