Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    23/12/2024, 16:15

General

  • Target
    4ba0641b1f9224605df854c9baaa5dcf.exe
  • Size 2.8MB
  • Sample241223-tp87psvjbx
  • SHA256 7cadf23c992d86cba2587cdf6ddccc39a0d72deb6eef34eb64aae0c097e2f54a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

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\4ba0641b1f9224605df854c9baaa5dcf.exe
    "C:\Users\Admin\AppData\Local\Temp\4ba0641b1f9224605df854c9baaa5dcf.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:2076

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Cab60B8.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Cab60B8.tmp
        • Size 70KB
        • SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
        • MD5 SHA1 SHA512 SSDEEP

        Tar60DA.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Tar60DA.tmp
        • Size 181KB
        • SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
        • MD5 SHA1 SHA512 SSDEEP

        memory/2076-0-0x0000000000C80000-0x0000000000F87000-memory.dmp

        memory/2076-1-0x00000000771C0000-0x00000000771C2000-memory.dmp

        memory/2076-2-0x0000000000C81000-0x0000000000CA6000-memory.dmp

        memory/2076-3-0x0000000000C80000-0x0000000000F87000-memory.dmp

        memory/2076-4-0x0000000000C80000-0x0000000000F87000-memory.dmp

        memory/2076-40-0x0000000000C80000-0x0000000000F87000-memory.dmp