Analysis

  • max time kernel
    149s
  • max time network
    94s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    24/05/2026, 19:09

General

  • Target
    tmpzo9m0y8u.exe
  • Size 590KB
  • Sample260524-xt892sht3x
  • SHA256 493b3af10d381dc7aa551c32f634a5a46aa63f7d8b4847566e6470c3c1a7aa01
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • lumma

C2
  • https://pollution-raker.cyou/api

  • https://hosue-billowy.cyou/api

  • https://ripe-blade.cyou/api

  • https://smash-boiling.cyou/api

  • https://supporse-comment.cyou/api

  • https://greywe-snotty.cyou/api

  • https://steppriflej.xyz/api

  • https://sendypaster.xyz/api

  • https://bellflamre.click/api

Signatures

  • Family: Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmpzo9m0y8u.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpzo9m0y8u.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3384
    • C:\Users\Admin\AppData\Local\Temp\tmpzo9m0y8u.exe
      "C:\Users\Admin\AppData\Local\Temp\tmpzo9m0y8u.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:1044

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7AD406287E052ECAB43951C39E0CDBF1

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7AD406287E052ECAB43951C39E0CDBF1
        • Size 1KB
        • SHA256 c1ad7778796d20bca65c889a2655021156528bb62ff5fa43e1b8e5a83e3d2eaa
        • MD5 SHA1 SHA512 TLSH

        7AD406287E052ECAB43951C39E0CDBF1

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7AD406287E052ECAB43951C39E0CDBF1
        • Size 268B
        • SHA256 b26f70176300213e18b7b07be57e946fda366297020d24692b78abc4758d4005
        • MD5 SHA1 SHA512 TLSH

        memory/1044-6-0x0000000000400000-0x0000000000456000-memory.dmp

        memory/1044-7-0x0000000000290000-0x000000000032C000-memory.dmp

        memory/1044-3-0x0000000000400000-0x0000000000456000-memory.dmp

        memory/3384-1-0x0000000000290000-0x000000000032C000-memory.dmp

        memory/3384-0-0x0000000000324000-0x0000000000325000-memory.dmp

        memory/3384-2-0x0000000000290000-0x000000000032C000-memory.dmp

        memory/3384-5-0x0000000000290000-0x000000000032C000-memory.dmp