Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • submitted
    22/11/2024, 16:07

General

  • Target
    file.exe
  • Size 1.8MB
  • Sample241122-tkmsxatpbz
  • SHA256 48cc3a2b111fcdcd5e1fa49d3f80881b41a02840bc67d297dd6dc8228d9b1e0a
  • 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

  • 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:2420

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        CabE3DC.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\CabE3DC.tmp
        • Size 70KB
        • SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
        • MD5 SHA1 SHA512 SSDEEP

        TarE3FE.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\TarE3FE.tmp
        • Size 181KB
        • SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
        • MD5 SHA1 SHA512 SSDEEP

        memory/2420-8-0x00000000010D0000-0x0000000001564000-memory.dmp

        memory/2420-9-0x00000000010D0000-0x0000000001564000-memory.dmp

        memory/2420-4-0x00000000010D0000-0x0000000001564000-memory.dmp

        memory/2420-5-0x00000000010D0000-0x0000000001564000-memory.dmp

        memory/2420-6-0x00000000010D0000-0x0000000001564000-memory.dmp

        memory/2420-7-0x00000000010D0000-0x0000000001564000-memory.dmp

        memory/2420-0-0x00000000010D0000-0x0000000001564000-memory.dmp

        memory/2420-3-0x00000000010D0000-0x0000000001564000-memory.dmp

        memory/2420-10-0x00000000010D0000-0x0000000001564000-memory.dmp

        memory/2420-11-0x00000000010D0000-0x0000000001564000-memory.dmp

        memory/2420-12-0x00000000010D0000-0x0000000001564000-memory.dmp

        memory/2420-13-0x00000000010D0000-0x0000000001564000-memory.dmp

        memory/2420-14-0x00000000010D0000-0x0000000001564000-memory.dmp

        memory/2420-2-0x00000000010D1000-0x00000000010F8000-memory.dmp

        memory/2420-1-0x0000000077C30000-0x0000000077C32000-memory.dmp

        memory/2420-49-0x00000000010D0000-0x0000000001564000-memory.dmp