Analysis

  • max time kernel
    103s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250410-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/04/2025, 21:33

General

  • Target
    Bunni.exe
  • Size 1.3MB
  • Sample250428-1d86wszset
  • SHA256 faedc0a8dc40405a0aa4afc61afdb1b113ef5bf62a47fdf987b5a54e272befcd
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • https://warldonvu.live/wxgd

  • https://geographys.run/eirq

  • https://iwoodpeckersd.run/glsk

  • https://utropiscbs.live/iuwxx

  • https://cartograhphy.top/ixau

  • https://biosphxere.digital/tqoa

  • https://topographky.top/xlak

  • https://climatologfy.top/kbud

  • https://vigorbridgoe.top/banb

Signatures

  • Lumma Stealer, LummaC

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

  • Lumma family
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bunni.exe
    "C:\Users\Admin\AppData\Local\Temp\Bunni.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:728
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5568

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/5568-0-0x0000000000400000-0x0000000000460000-memory.dmp

        memory/5568-2-0x0000000000400000-0x0000000000460000-memory.dmp

        memory/5568-3-0x0000000000400000-0x0000000000460000-memory.dmp

        memory/5568-4-0x0000000000400000-0x0000000000460000-memory.dmp