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Analysis

  • max time kernel
    92s
  • max time network
    102s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241023-en
  • resource tags

    arch:x64arch:x86image:win11-20241023-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03/01/2025, 12:53

General

  • Target

    nokeyfunction/nokeyfunction.exe

  • Size

    503KB

  • MD5

    055e6e64822e475ed15e37ddf39efbcc

  • SHA1

    4c3b335d0742bb80df97fa4dc046e514c944db2e

  • SHA256

    3f623e6a0c9ed4716e2f73cdb1e2079619c00b29e3930b5937882f3c6c6e1273

  • SHA512

    7fd76cd302e895d908f238224e95b261331ee0274b4f70004162c85405b59be17445ea37794a46631d2c8ed3ffe51098ebc65796bdf19d8e7573987bbf13d56b

  • SSDEEP

    12288:vztE0u86qlmk/xZ3/B+KI5sl+AAd6v0tXQJ:vO0uYlmsnPB+A+AKuUgJ

Score
10/10

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

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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\nokeyfunction\nokeyfunction.exe
    "C:\Users\Admin\AppData\Local\Temp\nokeyfunction\nokeyfunction.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1476
    • C:\Users\Admin\AppData\Local\Temp\nokeyfunction\nokeyfunction.exe
      "C:\Users\Admin\AppData\Local\Temp\nokeyfunction\nokeyfunction.exe"
      2⤵
        PID:1692
      • C:\Users\Admin\AppData\Local\Temp\nokeyfunction\nokeyfunction.exe
        "C:\Users\Admin\AppData\Local\Temp\nokeyfunction\nokeyfunction.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        PID:2088

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1476-0-0x00000000008D0000-0x00000000008D1000-memory.dmp

      Filesize

      4KB

    • memory/2088-1-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/2088-3-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/2088-4-0x00000000008A0000-0x0000000000923000-memory.dmp

      Filesize

      524KB