Analysis

  • max time kernel
    144s
  • max time network
    151s
  • 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 2 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:2388
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:4688
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 1092
          3⤵
          • Program crash
          PID:4460
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 1192
          3⤵
          • Program crash
          PID:3580
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4688 -ip 4688
      1⤵
        PID:4236
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4688 -ip 4688
        1⤵
          PID:3732

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2388-29-0x0000000002750000-0x00000000027EF000-memory.dmp

          Filesize

          636KB

        • memory/2388-3-0x00000000024D0000-0x00000000024E0000-memory.dmp

          Filesize

          64KB

        • memory/2388-1-0x0000000074810000-0x0000000074FC0000-memory.dmp

          Filesize

          7.7MB

        • memory/2388-25-0x0000000002750000-0x00000000027EF000-memory.dmp

          Filesize

          636KB

        • memory/2388-4-0x0000000004DF0000-0x0000000005394000-memory.dmp

          Filesize

          5.6MB

        • memory/2388-23-0x0000000002750000-0x00000000027EF000-memory.dmp

          Filesize

          636KB

        • memory/2388-7-0x0000000002750000-0x00000000027EF000-memory.dmp

          Filesize

          636KB

        • memory/2388-6-0x0000000002750000-0x00000000027EF000-memory.dmp

          Filesize

          636KB

        • memory/2388-9-0x0000000002750000-0x00000000027EF000-memory.dmp

          Filesize

          636KB

        • memory/2388-27-0x0000000002750000-0x00000000027EF000-memory.dmp

          Filesize

          636KB

        • memory/2388-37-0x0000000002750000-0x00000000027EF000-memory.dmp

          Filesize

          636KB

        • memory/2388-41-0x0000000002750000-0x00000000027EF000-memory.dmp

          Filesize

          636KB

        • memory/2388-39-0x0000000002750000-0x00000000027EF000-memory.dmp

          Filesize

          636KB

        • memory/2388-35-0x0000000002750000-0x00000000027EF000-memory.dmp

          Filesize

          636KB

        • memory/2388-33-0x0000000002750000-0x00000000027EF000-memory.dmp

          Filesize

          636KB

        • memory/2388-31-0x0000000002750000-0x00000000027EF000-memory.dmp

          Filesize

          636KB

        • memory/2388-11-0x0000000002750000-0x00000000027EF000-memory.dmp

          Filesize

          636KB

        • memory/2388-2-0x00000000024D0000-0x00000000024E0000-memory.dmp

          Filesize

          64KB

        • memory/2388-5-0x0000000002750000-0x00000000027F6000-memory.dmp

          Filesize

          664KB

        • memory/2388-21-0x0000000002750000-0x00000000027EF000-memory.dmp

          Filesize

          636KB

        • memory/2388-0-0x0000000004D40000-0x0000000004DE6000-memory.dmp

          Filesize

          664KB

        • memory/2388-19-0x0000000002750000-0x00000000027EF000-memory.dmp

          Filesize

          636KB

        • memory/2388-17-0x0000000002750000-0x00000000027EF000-memory.dmp

          Filesize

          636KB

        • memory/2388-15-0x0000000002750000-0x00000000027EF000-memory.dmp

          Filesize

          636KB

        • memory/2388-48-0x0000000002900000-0x0000000004900000-memory.dmp

          Filesize

          32.0MB

        • memory/2388-13-0x0000000002750000-0x00000000027EF000-memory.dmp

          Filesize

          636KB

        • memory/2388-52-0x0000000074810000-0x0000000074FC0000-memory.dmp

          Filesize

          7.7MB

        • memory/4688-53-0x00000000014C0000-0x00000000014F2000-memory.dmp

          Filesize

          200KB

        • memory/4688-54-0x00000000014C0000-0x00000000014F2000-memory.dmp

          Filesize

          200KB

        • memory/4688-55-0x0000000000400000-0x000000000048A000-memory.dmp

          Filesize

          552KB

        • memory/4688-51-0x0000000001480000-0x00000000014C0000-memory.dmp

          Filesize

          256KB

        • memory/4688-47-0x0000000000400000-0x000000000048A000-memory.dmp

          Filesize

          552KB

        • memory/4688-50-0x0000000001480000-0x00000000014C0000-memory.dmp

          Filesize

          256KB

        • memory/4688-44-0x0000000000400000-0x000000000048A000-memory.dmp

          Filesize

          552KB

        • memory/4688-56-0x0000000000400000-0x000000000048A000-memory.dmp

          Filesize

          552KB