Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • submitted
    21/11/2024, 04:31

General

  • Target
    file.exe
  • Size 1.8MB
  • Sample241121-e5dcmsybmh
  • SHA256 8d5323f0b9e728e93a3d6a97c1f16657125b9f7e62af40ee5146a7c4663743d6
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • https://p3ar11fter.sbs

  • https://3xp3cts1aim.sbs

  • https://owner-vacat10n.sbs

  • https://peepburry828.sbs

  • https://p10tgrace.sbs

  • https://befall-sm0ker.sbs

  • https://librari-night.sbs

  • https://processhol.sbs

  • https://cook-rain.sbs

Extracted

Family
  • lumma

C2
  • https://cook-rain.sbs/api

  • https://librari-night.sbs/api

  • https://befall-sm0ker.sbs/api

  • https://owner-vacat10n.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
  • 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.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 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
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    PID:2480

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Cab485.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Cab485.tmp
        • Size 70KB
        • SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
        • MD5 SHA1 SHA512 SSDEEP

        Tar4B7.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Tar4B7.tmp
        • Size 181KB
        • SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
        • MD5 SHA1 SHA512 SSDEEP

        memory/2480-0-0x0000000001260000-0x000000000170B000-memory.dmp

        memory/2480-1-0x0000000077A00000-0x0000000077A02000-memory.dmp

        memory/2480-2-0x0000000001261000-0x0000000001287000-memory.dmp

        memory/2480-3-0x0000000001260000-0x000000000170B000-memory.dmp

        memory/2480-4-0x0000000001260000-0x000000000170B000-memory.dmp

        memory/2480-5-0x0000000001260000-0x000000000170B000-memory.dmp

        memory/2480-6-0x0000000001260000-0x000000000170B000-memory.dmp

        memory/2480-7-0x0000000001260000-0x000000000170B000-memory.dmp

        memory/2480-8-0x0000000001260000-0x000000000170B000-memory.dmp

        memory/2480-44-0x0000000001260000-0x000000000170B000-memory.dmp