Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17/11/2024, 01:26

General

  • Target
    file.exe
  • Size 1.8MB
  • Sample241117-bthlfaxlft
  • SHA256 cc667d24c723a4963225b68b04bb90c6436ccfecd456c8cc1d3eec80d3ff4d9d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • https://processhol.sbs/api

  • https://p10tgrace.sbs/api

  • https://peepburry828.sbs/api

  • https://3xp3cts1aim.sbs/api

  • https://p3ar11fter.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.

  • 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
    • Suspicious behavior: EnumeratesProcesses
    PID:2280

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Cab1373.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Cab1373.tmp
        • Size 70KB
        • SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
        • MD5 SHA1 SHA512 SSDEEP

        Tar1395.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Tar1395.tmp
        • Size 181KB
        • SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
        • MD5 SHA1 SHA512 SSDEEP

        memory/2280-0-0x00000000000C0000-0x0000000000558000-memory.dmp

        memory/2280-1-0x00000000773B0000-0x00000000773B2000-memory.dmp

        memory/2280-2-0x00000000000C1000-0x00000000000E9000-memory.dmp

        memory/2280-3-0x00000000000C0000-0x0000000000558000-memory.dmp

        memory/2280-4-0x00000000000C0000-0x0000000000558000-memory.dmp

        memory/2280-40-0x00000000000C0000-0x0000000000558000-memory.dmp