Analysis

  • max time kernel
    93s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-01-2025 09:22

General

  • Target

    Sigmanly_540319216f35894c8d8252208fb9d8aa9414f9805d7ce0bf3c674c0dfafedb4c.exe

  • Size

    1.8MB

  • MD5

    a95fc73c07c7d57256de64b06e73a6cd

  • SHA1

    b5b823520691853414948ed9b962e3cf886b868c

  • SHA256

    540319216f35894c8d8252208fb9d8aa9414f9805d7ce0bf3c674c0dfafedb4c

  • SHA512

    04462857b8574fdc3ef84ff0b7842ee7c64d264c70c2a28c842edaed23f7cc4f15fb0efdfcdea2ec87248be1c1c2f1bc1392c7b49221808b95a3e54cbb1f24a0

  • SSDEEP

    49152:dB3O3/EYz6z5Mhc1XpL9z9zQiK33c8ez0C/JIg5:Xa//6z5R9p8iKcb0kJT5

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\Sigmanly_540319216f35894c8d8252208fb9d8aa9414f9805d7ce0bf3c674c0dfafedb4c.exe
    "C:\Users\Admin\AppData\Local\Temp\Sigmanly_540319216f35894c8d8252208fb9d8aa9414f9805d7ce0bf3c674c0dfafedb4c.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:1084

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1084-0-0x0000000000CF0000-0x000000000118C000-memory.dmp

    Filesize

    4.6MB

  • memory/1084-1-0x00000000777A4000-0x00000000777A6000-memory.dmp

    Filesize

    8KB

  • memory/1084-2-0x0000000000CF1000-0x0000000000D18000-memory.dmp

    Filesize

    156KB

  • memory/1084-3-0x0000000000CF0000-0x000000000118C000-memory.dmp

    Filesize

    4.6MB

  • memory/1084-4-0x0000000000CF0000-0x000000000118C000-memory.dmp

    Filesize

    4.6MB

  • memory/1084-5-0x0000000000CF0000-0x000000000118C000-memory.dmp

    Filesize

    4.6MB