Analysis

  • max time kernel
    139s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-01-2024 19:02

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:392
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:1308
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1308 -s 600
          3⤵
          • Program crash
          PID:1004
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1308 -s 1232
          3⤵
          • Program crash
          PID:2544
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1308 -ip 1308
      1⤵
        PID:1888
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1308 -ip 1308
        1⤵
          PID:2404

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/392-34-0x0000000004CB0000-0x0000000004D4F000-memory.dmp

          Filesize

          636KB

        • memory/392-8-0x0000000004CB0000-0x0000000004D4F000-memory.dmp

          Filesize

          636KB

        • memory/392-2-0x0000000004E40000-0x0000000004E50000-memory.dmp

          Filesize

          64KB

        • memory/392-3-0x0000000004E50000-0x00000000053F4000-memory.dmp

          Filesize

          5.6MB

        • memory/392-0-0x0000000004D60000-0x0000000004E06000-memory.dmp

          Filesize

          664KB

        • memory/392-5-0x0000000004CB0000-0x0000000004D4F000-memory.dmp

          Filesize

          636KB

        • memory/392-6-0x0000000004CB0000-0x0000000004D4F000-memory.dmp

          Filesize

          636KB

        • memory/392-30-0x0000000004CB0000-0x0000000004D4F000-memory.dmp

          Filesize

          636KB

        • memory/392-16-0x0000000004CB0000-0x0000000004D4F000-memory.dmp

          Filesize

          636KB

        • memory/392-28-0x0000000004CB0000-0x0000000004D4F000-memory.dmp

          Filesize

          636KB

        • memory/392-24-0x0000000004CB0000-0x0000000004D4F000-memory.dmp

          Filesize

          636KB

        • memory/392-26-0x0000000004CB0000-0x0000000004D4F000-memory.dmp

          Filesize

          636KB

        • memory/392-32-0x0000000004CB0000-0x0000000004D4F000-memory.dmp

          Filesize

          636KB

        • memory/392-36-0x0000000004CB0000-0x0000000004D4F000-memory.dmp

          Filesize

          636KB

        • memory/392-40-0x0000000004CB0000-0x0000000004D4F000-memory.dmp

          Filesize

          636KB

        • memory/392-38-0x0000000004CB0000-0x0000000004D4F000-memory.dmp

          Filesize

          636KB

        • memory/392-4-0x0000000004CB0000-0x0000000004D56000-memory.dmp

          Filesize

          664KB

        • memory/392-1-0x0000000074830000-0x0000000074FE0000-memory.dmp

          Filesize

          7.7MB

        • memory/392-22-0x0000000004CB0000-0x0000000004D4F000-memory.dmp

          Filesize

          636KB

        • memory/392-20-0x0000000004CB0000-0x0000000004D4F000-memory.dmp

          Filesize

          636KB

        • memory/392-18-0x0000000004CB0000-0x0000000004D4F000-memory.dmp

          Filesize

          636KB

        • memory/392-47-0x00000000027D0000-0x00000000047D0000-memory.dmp

          Filesize

          32.0MB

        • memory/392-14-0x0000000004CB0000-0x0000000004D4F000-memory.dmp

          Filesize

          636KB

        • memory/392-12-0x0000000004CB0000-0x0000000004D4F000-memory.dmp

          Filesize

          636KB

        • memory/392-10-0x0000000004CB0000-0x0000000004D4F000-memory.dmp

          Filesize

          636KB

        • memory/392-51-0x0000000074830000-0x0000000074FE0000-memory.dmp

          Filesize

          7.7MB

        • memory/1308-54-0x0000000000400000-0x000000000048A000-memory.dmp

          Filesize

          552KB

        • memory/1308-53-0x0000000000E80000-0x0000000000E81000-memory.dmp

          Filesize

          4KB

        • memory/1308-52-0x0000000000E80000-0x0000000000E81000-memory.dmp

          Filesize

          4KB

        • memory/1308-50-0x0000000000E40000-0x0000000000E80000-memory.dmp

          Filesize

          256KB

        • memory/1308-49-0x0000000000E40000-0x0000000000E80000-memory.dmp

          Filesize

          256KB

        • memory/1308-43-0x0000000000400000-0x000000000048A000-memory.dmp

          Filesize

          552KB

        • memory/1308-46-0x0000000000400000-0x000000000048A000-memory.dmp

          Filesize

          552KB

        • memory/1308-55-0x0000000000400000-0x000000000048A000-memory.dmp

          Filesize

          552KB