Analysis

  • max time kernel
    144s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-01-2024 19:00

General

  • Target

    file.exe

  • Size

    727KB

  • MD5

    8b5cf3d102548da37888f34d3d468e27

  • SHA1

    823aa91b6e4ecf3bb68a2154a122e6a9ffc7bf89

  • SHA256

    3e8e1eae92427c05d36bbc665721382af5972780e0a7cd44e33f63684b1cf3e2

  • SHA512

    da525ea8b851739940fcce41fae69b4fa7942c21e2ac7fca79fd468e247c5ce0e8fc105a9288290ff79c064a5d200e7214f67ea070114da1fb335b152a5ac10b

  • SSDEEP

    12288:mh1Fk70TnvjcXHKkdNTYkpfxQmclBuFTEAtvqsuIGnyd30w4KA9LdX+/UwS0iSbq:Ak70Trc31dNckBxQmUBuFTEAtCsuI9d8

Score
10/10

Malware Config

Extracted

Family

lumma

C2

https://willpoweragreebokkskiew.site/api

https://braidfadefriendklypk.site/api

Signatures

  • Lumma Stealer

    An infostealer written in C++ first seen in August 2022.

  • .NET Reactor proctector 21 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2408
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:4072
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4072 -s 1240
          3⤵
          • Program crash
          PID:3068
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4072 -ip 4072
      1⤵
        PID:4324

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2408-38-0x0000000005340000-0x00000000053DF000-memory.dmp

        Filesize

        636KB

      • memory/2408-34-0x0000000005340000-0x00000000053DF000-memory.dmp

        Filesize

        636KB

      • memory/2408-1-0x0000000075140000-0x00000000758F0000-memory.dmp

        Filesize

        7.7MB

      • memory/2408-3-0x0000000002570000-0x0000000002580000-memory.dmp

        Filesize

        64KB

      • memory/2408-4-0x0000000004D90000-0x0000000005334000-memory.dmp

        Filesize

        5.6MB

      • memory/2408-5-0x0000000005340000-0x00000000053E6000-memory.dmp

        Filesize

        664KB

      • memory/2408-6-0x0000000002570000-0x0000000002580000-memory.dmp

        Filesize

        64KB

      • memory/2408-18-0x0000000005340000-0x00000000053DF000-memory.dmp

        Filesize

        636KB

      • memory/2408-0-0x0000000004CA0000-0x0000000004D46000-memory.dmp

        Filesize

        664KB

      • memory/2408-16-0x0000000005340000-0x00000000053DF000-memory.dmp

        Filesize

        636KB

      • memory/2408-24-0x0000000005340000-0x00000000053DF000-memory.dmp

        Filesize

        636KB

      • memory/2408-22-0x0000000005340000-0x00000000053DF000-memory.dmp

        Filesize

        636KB

      • memory/2408-14-0x0000000005340000-0x00000000053DF000-memory.dmp

        Filesize

        636KB

      • memory/2408-28-0x0000000005340000-0x00000000053DF000-memory.dmp

        Filesize

        636KB

      • memory/2408-32-0x0000000005340000-0x00000000053DF000-memory.dmp

        Filesize

        636KB

      • memory/2408-51-0x0000000075140000-0x00000000758F0000-memory.dmp

        Filesize

        7.7MB

      • memory/2408-42-0x0000000005340000-0x00000000053DF000-memory.dmp

        Filesize

        636KB

      • memory/2408-40-0x0000000005340000-0x00000000053DF000-memory.dmp

        Filesize

        636KB

      • memory/2408-20-0x0000000005340000-0x00000000053DF000-memory.dmp

        Filesize

        636KB

      • memory/2408-2-0x0000000002570000-0x0000000002580000-memory.dmp

        Filesize

        64KB

      • memory/2408-10-0x0000000005340000-0x00000000053DF000-memory.dmp

        Filesize

        636KB

      • memory/2408-59-0x00000000026C0000-0x00000000046C0000-memory.dmp

        Filesize

        32.0MB

      • memory/2408-26-0x0000000005340000-0x00000000053DF000-memory.dmp

        Filesize

        636KB

      • memory/2408-12-0x0000000005340000-0x00000000053DF000-memory.dmp

        Filesize

        636KB

      • memory/2408-36-0x0000000005340000-0x00000000053DF000-memory.dmp

        Filesize

        636KB

      • memory/2408-30-0x0000000005340000-0x00000000053DF000-memory.dmp

        Filesize

        636KB

      • memory/2408-8-0x0000000005340000-0x00000000053DF000-memory.dmp

        Filesize

        636KB

      • memory/2408-50-0x00000000026C0000-0x00000000046C0000-memory.dmp

        Filesize

        32.0MB

      • memory/2408-7-0x0000000005340000-0x00000000053DF000-memory.dmp

        Filesize

        636KB

      • memory/4072-58-0x0000000000400000-0x000000000048A000-memory.dmp

        Filesize

        552KB

      • memory/4072-55-0x0000000000C30000-0x0000000000C62000-memory.dmp

        Filesize

        200KB

      • memory/4072-54-0x0000000000C30000-0x0000000000C62000-memory.dmp

        Filesize

        200KB

      • memory/4072-53-0x0000000000BF0000-0x0000000000C30000-memory.dmp

        Filesize

        256KB

      • memory/4072-52-0x0000000000BF0000-0x0000000000C30000-memory.dmp

        Filesize

        256KB

      • memory/4072-57-0x0000000000400000-0x000000000048A000-memory.dmp

        Filesize

        552KB

      • memory/4072-56-0x0000000000C30000-0x0000000000C62000-memory.dmp

        Filesize

        200KB

      • memory/4072-48-0x0000000000400000-0x000000000048A000-memory.dmp

        Filesize

        552KB

      • memory/4072-45-0x0000000000400000-0x000000000048A000-memory.dmp

        Filesize

        552KB