Analysis

  • max time kernel
    13s
  • max time network
    2s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    05-01-2025 17:20

General

  • Target

    Loader.exe

  • Size

    646KB

  • MD5

    2ec18b257662dd107ae84263ecd2e5c1

  • SHA1

    ce2efa8394c35b8da16428b10ece4a856c53dd1f

  • SHA256

    539f0617a85a7a0773cf9e36d803c1a8ddf5c69dc003c80c1f3afac147b47554

  • SHA512

    6cf6f83dbaca7f218f6add89de942bc6a8d83fef9ccbbb3f3ef3c03bba4233a25b18f1bc392da27b37b88bb649fecc7c05ed28a9dcf849de957103f03fa63342

  • SSDEEP

    12288:xI6tpbrZqB16QBXv9trocVyiBFAMyhZVUEz4Pjt/ax7OA2:xIMH6JjocVy+yhZVUEz4PAx7O

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
  • Loads dropped DLL 1 IoCs
  • 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 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Loader.exe
    "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4104
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1720

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\gdi32.dll

    Filesize

    635KB

    MD5

    037bf337c4de4bc965e3200beb1a5be8

    SHA1

    317dc2ffca68cf71652cffe75d9d2a341a09cda8

    SHA256

    29c961ee9f77637c881d9193c6499a84b1320372f3edc9b8337ab03fb8b8f589

    SHA512

    10767a9b988843d5ed27c6509ce8801a2a604c5298cd602b4d26e1ab0957e837e1531f60dc37b3ec1de7ee0a1378e2250d3d737e58926f4d4b0e7cd1fb8275d9

  • memory/1720-8-0x00000000748D0000-0x000000007492F000-memory.dmp

    Filesize

    380KB

  • memory/1720-14-0x00000000748D0000-0x000000007492F000-memory.dmp

    Filesize

    380KB

  • memory/1720-16-0x00000000748D0000-0x000000007492F000-memory.dmp

    Filesize

    380KB

  • memory/4104-0-0x00000000747BE000-0x00000000747BF000-memory.dmp

    Filesize

    4KB

  • memory/4104-1-0x0000000000590000-0x0000000000638000-memory.dmp

    Filesize

    672KB

  • memory/4104-17-0x00000000773A1000-0x00000000774C3000-memory.dmp

    Filesize

    1.1MB

  • memory/4104-18-0x00000000747B0000-0x0000000074F61000-memory.dmp

    Filesize

    7.7MB

  • memory/4104-19-0x00000000747B0000-0x0000000074F61000-memory.dmp

    Filesize

    7.7MB