Analysis

  • max time kernel
    1370s
  • max time network
    1153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 09:27

General

  • Target

    MeltLaunchеr.exe

  • Size

    350KB

  • MD5

    b109aa9603e00150bc63d52e7a57d375

  • SHA1

    7aeca5f397c98242f6726f0e7a79127daf7f0d58

  • SHA256

    8158a96438c4c741bae0453392f1c93bc14cf4138222c3c57a30e15f36c32bc6

  • SHA512

    f83c8452d514025a415646fafde373fa4a138b7d12c91d94181e5462ba365a6b6d2325bd3c1280c04b3b705ccda46731f4c1457af2e09ca0ceb4a9648ff60486

  • SSDEEP

    6144:8bvqT/2F/shsIL2Ts4+q9GdpUkb6o8Rv226RQpvtBLasR:ey6dshsILas4+q9GdpUkwv7QKnas

Score
10/10

Malware Config

Extracted

Family

lumma

C2

https://sessionannoucemenwj.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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MeltLaunchеr.exe
    "C:\Users\Admin\AppData\Local\Temp\MeltLaunchеr.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:740
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:4692

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/740-0-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

      Filesize

      4KB

    • memory/740-1-0x00000000005D0000-0x000000000062E000-memory.dmp

      Filesize

      376KB

    • memory/740-9-0x0000000074AE0000-0x0000000075290000-memory.dmp

      Filesize

      7.7MB

    • memory/740-12-0x0000000074AE0000-0x0000000075290000-memory.dmp

      Filesize

      7.7MB

    • memory/4692-4-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/4692-7-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/4692-10-0x0000000000B40000-0x0000000000B41000-memory.dmp

      Filesize

      4KB

    • memory/4692-11-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB