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
    09/10/2024, 01:33

General

  • Target
    4f678016d01dc21f5b5cf32978aa33ff148f98a0428d2324a2647117909e14f8.exe
  • Size 1.7MB
  • Sample241009-bysl7stbrc
  • SHA256 4f678016d01dc21f5b5cf32978aa33ff148f98a0428d2324a2647117909e14f8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

Signatures

  • 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\4f678016d01dc21f5b5cf32978aa33ff148f98a0428d2324a2647117909e14f8.exe
    "C:\Users\Admin\AppData\Local\Temp\4f678016d01dc21f5b5cf32978aa33ff148f98a0428d2324a2647117909e14f8.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:4868

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4868-0-0x0000000000CA0000-0x0000000001132000-memory.dmp

        memory/4868-1-0x0000000077014000-0x0000000077016000-memory.dmp

        memory/4868-2-0x0000000000CA1000-0x0000000000CC7000-memory.dmp

        memory/4868-3-0x0000000000CA0000-0x0000000001132000-memory.dmp

        memory/4868-4-0x0000000000CA0000-0x0000000001132000-memory.dmp