Analysis

  • max time kernel
    94s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2024 08:45

General

  • Target

    b71b7aedba64dfac7fb62b18fe22e956.exe

  • Size

    1.8MB

  • MD5

    b71b7aedba64dfac7fb62b18fe22e956

  • SHA1

    94dbd7b49946dac493466b8702f7ca527833b9cc

  • SHA256

    a28bd583dab27c6e95c9f14ae64bd0b6831cc9226737f68b1a8bf9dd033843fa

  • SHA512

    0bc645d8e32ff722890e864d8f6ed8c4ab61372dc437ea146f9e920b8fecccfc4a3102e3773aaa3e5ab2a767b6f392ff0a8f2098e44a210db5cf19be5b16e18b

  • SSDEEP

    24576:wm34NGu4QOrYpj44bPupQKfXOzihBGxPJwFsYW/VY4TO7j013wx/AZM4tdMilBEh:Zruq0G4ja+KB3eYmF0AZRz

Malware Config

Extracted

Family

lumma

C2

https://cloudewahsj.shop/api

https://rabidcowse.shop/api

https://noisycuttej.shop/api

https://tirepublicerj.shop/api

https://framekgirus.shop/api

https://wholersorie.shop/api

https://abruptyopsn.shop/api

https://nearycrepso.shop/api

https://fancywaxxers.shop/api

Extracted

Family

lumma

C2

https://fancywaxxers.shop/api

https://abruptyopsn.shop/api

https://wholersorie.shop/api

https://framekgirus.shop/api

https://tirepublicerj.shop/api

https://noisycuttej.shop/api

https://rabidcowse.shop/api

https://cloudewahsj.shop/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\b71b7aedba64dfac7fb62b18fe22e956.exe
    "C:\Users\Admin\AppData\Local\Temp\b71b7aedba64dfac7fb62b18fe22e956.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:4804

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4804-0-0x0000000000CB0000-0x0000000001150000-memory.dmp

    Filesize

    4.6MB

  • memory/4804-1-0x0000000077DE4000-0x0000000077DE6000-memory.dmp

    Filesize

    8KB

  • memory/4804-2-0x0000000000CB1000-0x0000000000CD7000-memory.dmp

    Filesize

    152KB

  • memory/4804-3-0x0000000000CB0000-0x0000000001150000-memory.dmp

    Filesize

    4.6MB

  • memory/4804-4-0x0000000000CB0000-0x0000000001150000-memory.dmp

    Filesize

    4.6MB

  • memory/4804-5-0x0000000000CB0000-0x0000000001150000-memory.dmp

    Filesize

    4.6MB