Analysis

  • max time kernel
    95s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2024, 03:51

General

  • Target
    file.exe
  • Size 1.8MB
  • Sample241127-eegmdavrcz
  • SHA256 ff87b730afa9ff3aa46a78ab81a7afa1489fe86527cbe741309c6e5ecaf76449
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • https://powerful-avoids.sbs

  • https://motion-treesz.sbs

  • https://disobey-curly.sbs

  • https://leg-sate-boat.sbs

  • https://story-tense-faz.sbs

  • https://blade-govern.sbs

  • https://occupy-blushi.sbs

  • https://frogs-severz.sbs

  • https://property-imper.sbs

Extracted

Family
  • lumma

C2
  • https://blade-govern.sbs/api

  • https://story-tense-faz.sbs/api

Signatures

  • Lumma Stealer, LummaC

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

  • Lumma family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Program crash 1 IoCs
  • 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:1700
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1700 -s 1588
      2⤵
      • Program crash
      PID:2904
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1700 -ip 1700
    1⤵
      PID:460
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1700 -ip 1700
      1⤵
        PID:1532

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            memory/1700-0-0x0000000000B80000-0x000000000101C000-memory.dmp

            memory/1700-1-0x00000000777A4000-0x00000000777A6000-memory.dmp

            memory/1700-2-0x0000000000B81000-0x0000000000BA7000-memory.dmp

            memory/1700-3-0x0000000000B80000-0x000000000101C000-memory.dmp

            memory/1700-4-0x0000000000B80000-0x000000000101C000-memory.dmp

            memory/1700-6-0x0000000000B80000-0x000000000101C000-memory.dmp