Analysis

  • max time kernel
    104s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250610-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250610-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/08/2025, 15:39

General

  • Target
    Loader.exe
  • Size 1.3MB
  • Sample250819-s3tthavp14
  • SHA256 cb0704fb2fe120b1318a295470ce7c8d2b0b33c8d1fea9d4c4b222cf8f603e97
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • https://cursilibim.ru/zajd

  • https://mastwin.in/qsaz

  • https://tiltyufaz.ru/tlxa

  • https://runmgov.ru/tixd

  • https://semipervaz.ru/xued

  • https://capitalior.ru/akts

  • https://retrofik.ru/jgur

  • https://shagkeg.ru/xkzd

  • https://copulardi.ru/xhza

Attributes
  • build_id

    ee671ad72001d4d2df6e84e0c02b6b261abb3ad2826f2b8720

Signatures

  • Lumma Stealer, LummaC

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

  • Lumma family
  • Modifies trusted root certificate store through registry 1 TTPs 2 IoCs

    A root certificate was added, modified, or removed in the trusted certificate store registry paths.

  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

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

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Loader.exe
    "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5788
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Modifies trusted root certificate store through registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1328

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1328-0-0x0000000000400000-0x000000000045F000-memory.dmp

        memory/1328-2-0x0000000000400000-0x000000000045F000-memory.dmp

        memory/1328-3-0x0000000000400000-0x000000000045F000-memory.dmp

        memory/1328-6-0x0000000000400000-0x000000000045F000-memory.dmp