Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/12/2024, 08:30

General

  • Target
    7a4aeef83782b9985e994fd8665729da.exe
  • Size 1.8MB
  • Sample241228-kd7easxmhm
  • SHA256 8a1e5a4184e1718fc7ea124a14436b95da5134d3b8ab03bc77a37091143b7aab
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • https://hummskitnj.buzz/api

  • https://cashfuzysao.buzz/api

  • https://appliacnesot.buzz/api

  • https://screwamusresz.buzz/api

  • https://inherineau.buzz/api

  • https://scentniej.buzz/api

  • https://rebuildeso.buzz/api

  • https://prisonyfork.buzz/api

  • https://mindhandru.buzz/api

Signatures

  • Lumma Stealer, LummaC

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

  • Lumma family
  • 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\7a4aeef83782b9985e994fd8665729da.exe
    "C:\Users\Admin\AppData\Local\Temp\7a4aeef83782b9985e994fd8665729da.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:3188

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/3188-0-0x0000000000D30000-0x00000000011D3000-memory.dmp

        memory/3188-1-0x0000000077754000-0x0000000077756000-memory.dmp

        memory/3188-2-0x0000000000D31000-0x0000000000D58000-memory.dmp

        memory/3188-3-0x0000000000D30000-0x00000000011D3000-memory.dmp

        memory/3188-4-0x0000000000D30000-0x00000000011D3000-memory.dmp

        memory/3188-5-0x0000000000D30000-0x00000000011D3000-memory.dmp