Analysis

  • max time kernel
    99s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 02:50

General

  • Target

    99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe

  • Size

    570KB

  • MD5

    be296f642f22606caed21cac4d61f2fa

  • SHA1

    cd4c46055e6b2a08885e5a122c6d3434c5a90078

  • SHA256

    99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e

  • SHA512

    792e92bb9e4bb54067a7fc5b330c708682c8a19493207fbf1ecdc61f419956ddf2d01b2ab1480a13a9663449a4dd43f0c382d3710757f3a7571075e86546e3cd

  • SSDEEP

    12288:ro3gygylSwAN2kLkhn23cn4Ss73MF1Oa73V11tFBP33yeLdlr7v:U3gygnN2kLktscnAQp3VLBKePr7v

Score
10/10

Malware Config

Extracted

Family

lumma

C2

https://fumblingactor.cyou/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 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe
    "C:\Users\Admin\AppData\Local\Temp\99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3132
    • C:\Users\Admin\AppData\Local\Temp\99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe
      "C:\Users\Admin\AppData\Local\Temp\99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2944-1-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2944-3-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2944-4-0x0000000000E40000-0x0000000000ED0000-memory.dmp

    Filesize

    576KB

  • memory/3132-0-0x0000000000E7D000-0x0000000000E7E000-memory.dmp

    Filesize

    4KB