Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    01/06/2026, 17:51

General

  • Target
    tmp4zd5tct4.exe
  • Size 3.5MB
  • Sample260601-wfac5ab18x
  • SHA256 86bfd74340fb9443f63fecb6bf70bf496369734dbbde661d0e63ccea96f57279
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • lumma

C2
  • https://scriptyprefej.store/api

  • https://navygenerayk.store/api

  • https://founpiuer.store/api

  • https://necklacedmny.store/api

  • https://thumbystriw.store/api

  • https://fadehairucw.store/api

  • https://crisiwarny.store/api

  • https://presticitpo.store/api

Signatures

  • Family: Lumma Stealer, LummaC

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

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp4zd5tct4.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp4zd5tct4.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:2104

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        memory/2104-0-0x0000000000A70000-0x0000000000E2C000-memory.dmp

        memory/2104-1-0x00000000053D0000-0x00000000053D1000-memory.dmp

        memory/2104-2-0x00000000053C0000-0x00000000053C1000-memory.dmp

        memory/2104-3-0x0000000000A70000-0x0000000000E2C000-memory.dmp

        memory/2104-7-0x0000000000A70000-0x0000000000E2C000-memory.dmp