Analysis

  • max time kernel
    121s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • submitted
    23/11/2024, 12:30

General

  • Target
    file.exe
  • Size 1.8MB
  • Sample241123-ppf4psvkfs
  • SHA256 e8030c08981ae2cccfda22cbfd18ede9d1e1e51495ece00ccae6f8ebcad1c6f0
  • 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://property-imper.sbs/api

  • https://frogs-severz.sbs/api

  • https://occupy-blushi.sbs/api

  • https://blade-govern.sbs/api

  • https://story-tense-faz.sbs/api

  • https://leg-sate-boat.sbs/api

  • https://disobey-curly.sbs/api

  • https://motion-treesz.sbs/api

  • https://powerful-avoids.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:2024

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        Cab2242.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Cab2242.tmp
        • Size 70KB
        • SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
        • MD5 SHA1 SHA512 SSDEEP

        Tar2293.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Tar2293.tmp
        • Size 181KB
        • SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
        • MD5 SHA1 SHA512 SSDEEP

        memory/2024-0-0x0000000000B50000-0x0000000000FEA000-memory.dmp

        memory/2024-1-0x0000000077470000-0x0000000077472000-memory.dmp

        memory/2024-2-0x0000000000B51000-0x0000000000B78000-memory.dmp

        memory/2024-3-0x0000000000B50000-0x0000000000FEA000-memory.dmp

        memory/2024-38-0x0000000000B50000-0x0000000000FEA000-memory.dmp

        memory/2024-40-0x0000000000B50000-0x0000000000FEA000-memory.dmp