Analysis

  • max time kernel
    150s
  • 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
    02-01-2025 02:00

General

  • Target

    8fc9f09b3f2424d918b5e8ddcede5980b6e6b356bb2e50873cf6eda804c01886.dll

  • Size

    624KB

  • MD5

    f58afb7b8efffb002935d17d85765fb4

  • SHA1

    2506433dc55b8b42f94b70557ef444e8d05a17dc

  • SHA256

    8fc9f09b3f2424d918b5e8ddcede5980b6e6b356bb2e50873cf6eda804c01886

  • SHA512

    870fc5fb7ad167abb87645d43715c6642379948cb638c7efad19aa5d36ee251a0b54949ef5598e30a36e6d3bcb8d6027cf27dc60efcbeb8bc6164b2a9cdd1880

  • SSDEEP

    12288:3gF7Se1JDl5LVaL8kZIOWhbN4ddlannT5EbJ+vMvb4Yw8kU0khJ7x:3gF7Se1JQL8ekmd+TiF

Score
10/10

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://ingreem-eilish.biz/api

Signatures

  • Lumma Stealer, LummaC

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

  • Lumma family
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\8fc9f09b3f2424d918b5e8ddcede5980b6e6b356bb2e50873cf6eda804c01886.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8fc9f09b3f2424d918b5e8ddcede5980b6e6b356bb2e50873cf6eda804c01886.dll,#1
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2788
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2788-1-0x0000000077AC1000-0x0000000077BE1000-memory.dmp

    Filesize

    1.1MB

  • memory/3032-6-0x00000000761C0000-0x0000000076219000-memory.dmp

    Filesize

    356KB

  • memory/3032-9-0x00000000761C0000-0x0000000076219000-memory.dmp

    Filesize

    356KB

  • memory/3032-2-0x00000000761C0000-0x0000000076219000-memory.dmp

    Filesize

    356KB

  • memory/3032-10-0x0000000000FD0000-0x0000000001170000-memory.dmp

    Filesize

    1.6MB