Analysis

  • max time kernel
    132s
  • max time network
    142s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    21/10/2024, 13:41

General

  • Target

    installer.exe

  • Size

    550KB

  • MD5

    baa49579fe5b7ca9c12de5dfd4a23f39

  • SHA1

    c7476ceb3d586e93e2fdee7d29226923b80fa642

  • SHA256

    644b45fa0d076c6a9cfe6a966948085aefadc31ed454fee09cf583b41c7e92eb

  • SHA512

    473e02dded86b15dfed5d7cd6b82188ff6610a246143cb911f03b244961e1dd6a4faf19ac4062d2d66941d94bc7d2ef77196e51959b424d8217f3a22d8486c04

  • SSDEEP

    12288:RjUMVFCEJXd7QxVp1Gvu4P9z9SFcuT5VU7rsKUfRUQKS:1VLJX5Qt34FZEcuzKUfRUX

Malware Config

Extracted

Family

lumma

C2

https://snailyeductyi.sbs

https://ferrycheatyk.sbs

https://deepymouthi.sbs

https://wrigglesight.sbs

https://captaitwik.sbs

https://sidercotay.sbs

https://heroicmint.sbs

https://monstourtu.sbs

Signatures

  • Lumma Stealer, LummaC

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

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Program crash 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 behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\installer.exe
    "C:\Users\Admin\AppData\Local\Temp\installer.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3080
    • C:\Users\Admin\AppData\Local\Temp\installer.exe
      "C:\Users\Admin\AppData\Local\Temp\installer.exe"
      2⤵
        PID:64
      • C:\Users\Admin\AppData\Local\Temp\installer.exe
        "C:\Users\Admin\AppData\Local\Temp\installer.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:5048
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3080 -s 248
        2⤵
        • Program crash
        PID:4516

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3080-0-0x00000000009C0000-0x00000000009C2000-memory.dmp

            Filesize

            8KB

          • memory/5048-1-0x0000000000400000-0x0000000000461000-memory.dmp

            Filesize

            388KB

          • memory/5048-3-0x0000000000400000-0x0000000000461000-memory.dmp

            Filesize

            388KB

          • memory/5048-4-0x0000000000940000-0x00000000009CD000-memory.dmp

            Filesize

            564KB