Analysis

  • max time kernel
    91s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 23:21

General

  • Target
    d3d9.dll
  • Size 423KB
  • Sample240603-3by91sdf53
  • SHA256 19c3f9d385dca733355990795cf3a0a3bd4c7f883f7464f55dd3f1c9cc75956c
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • lumma

C2
  • https://considerrycurrentyws.shop/api

  • https://horsedwollfedrwos.shop/api

  • https://patternapplauderw.shop/api

  • https://understanndtytonyguw.shop/api

  • https://messtimetabledkolvk.shop/api

  • https://detailbaconroollyws.shop/api

  • https://deprivedrinkyfaiir.shop/api

  • https://relaxtionflouwerwi.shop/api

Signatures

  • Lumma Stealer

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\d3d9.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1008
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d3d9.dll,#1
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4616
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
        3⤵
          PID:3612

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/3612-2-0x0000000000610000-0x0000000000667000-memory.dmp

          memory/3612-9-0x0000000000610000-0x0000000000667000-memory.dmp

          memory/3612-7-0x0000000000610000-0x0000000000667000-memory.dmp

          memory/4616-1-0x0000000077B31000-0x0000000077C51000-memory.dmp