Analysis

  • max time kernel
    94s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2024 23:58

General

  • Target

    file.exe

  • Size

    1.8MB

  • MD5

    c1756ba8e668171e8a8222cb72b339cf

  • SHA1

    08c69f22e986d3e2844a995b6081fb04dea78c9a

  • SHA256

    b2f68e815f18b56d167d9aa0b4e4752e62a3a355a84198fe64692245d653ebc5

  • SHA512

    a515bba1ab918aa7014ff1af0a77ea2b7b084305230f826326f1b2b7e686c30e0f4276818228bf7b4e361ddb60732a4a3f72a0485220157880db8b5dbc6583b3

  • SSDEEP

    49152:1D9VpExlH4JoSvKYICrQNWwjGDqiHcqGlRsZAertD0Nr:Z9P4lYVvKGrQNWNvHbGXsZA0Dar

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:1528
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1528 -s 1568
      2⤵
      • Program crash
      PID:2340
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1528 -ip 1528
    1⤵
      PID:3516

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1528-0-0x0000000000A40000-0x0000000000EF0000-memory.dmp

      Filesize

      4.7MB

    • memory/1528-1-0x0000000077B94000-0x0000000077B96000-memory.dmp

      Filesize

      8KB

    • memory/1528-2-0x0000000000A41000-0x0000000000A67000-memory.dmp

      Filesize

      152KB

    • memory/1528-3-0x0000000000A40000-0x0000000000EF0000-memory.dmp

      Filesize

      4.7MB

    • memory/1528-4-0x0000000000A40000-0x0000000000EF0000-memory.dmp

      Filesize

      4.7MB

    • memory/1528-5-0x0000000000A40000-0x0000000000EF0000-memory.dmp

      Filesize

      4.7MB