Analysis

  • max time kernel
    150s
  • max time network
    151s
  • 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 08:51

General

  • Target

    Sigmanly_05c3a97a89c7c65375215bcc8570036e33121faa2a5cfda0824ea35b459db625.exe

  • Size

    2.8MB

  • MD5

    83b07f60a8699948f2b590eb4742634b

  • SHA1

    5a8cd1fa7c145090212d9eeea1356768045d1429

  • SHA256

    05c3a97a89c7c65375215bcc8570036e33121faa2a5cfda0824ea35b459db625

  • SHA512

    ab987eab6619ccfda4b8ae54ab94a1d27081d241813eb1c94f681df6888b2bd399bf75f514ff6df57780220b17e899f16622ed4481fda423656f3658719c5030

  • SSDEEP

    49152:DbLO7/J4s27weBWppYKAnTm1SDh3zSleqNNkqcyK1zb:DbCV4s27MpWKedSlrbcNp

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_05c3a97a89c7c65375215bcc8570036e33121faa2a5cfda0824ea35b459db625.exe
    "C:\Users\Admin\AppData\Local\Temp\Sigmanly_05c3a97a89c7c65375215bcc8570036e33121faa2a5cfda0824ea35b459db625.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:2516

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2516-0-0x00000000007B0000-0x0000000000AAE000-memory.dmp

    Filesize

    3.0MB

  • memory/2516-1-0x0000000077474000-0x0000000077476000-memory.dmp

    Filesize

    8KB

  • memory/2516-2-0x00000000007B1000-0x00000000007D8000-memory.dmp

    Filesize

    156KB

  • memory/2516-3-0x00000000007B0000-0x0000000000AAE000-memory.dmp

    Filesize

    3.0MB

  • memory/2516-4-0x00000000007B0000-0x0000000000AAE000-memory.dmp

    Filesize

    3.0MB

  • memory/2516-5-0x00000000007B0000-0x0000000000AAE000-memory.dmp

    Filesize

    3.0MB