Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • submitted
    03/12/2024, 04:30

General

  • Target
    file.exe
  • Size 1.8MB
  • Sample241203-e4s2pswlak
  • SHA256 d1f3e8ae54225b0fdfb70f8fcdce05b9b3a05fdb9fed545e0529bc19d8d467a1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • https://impend-differ.biz/api

  • https://print-vexer.biz/api

  • https://dare-curbys.biz/api

  • https://covery-mover.biz/api

  • https://formy-spill.biz/api

  • https://dwell-exclaim.biz/api

  • https://zinc-sneark.biz/api

  • https://se-blurry.biz/api

  • https://atten-supporse.biz/api

Extracted

Family
  • lumma

C2
  • https://atten-supporse.biz/api

  • https://se-blurry.biz/api

  • https://zinc-sneark.biz/api

  • https://dwell-exclaim.biz/api

  • https://formy-spill.biz/api

  • https://covery-mover.biz/api

  • https://dare-curbys.biz/api

  • https://print-vexer.biz/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:2876

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Cab8D82.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Cab8D82.tmp
        • Size 70KB
        • SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
        • MD5 SHA1 SHA512 SSDEEP

        Tar8DB4.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Tar8DB4.tmp
        • Size 181KB
        • SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
        • MD5 SHA1 SHA512 SSDEEP

        memory/2876-0-0x0000000001380000-0x0000000001818000-memory.dmp

        memory/2876-1-0x0000000077CB0000-0x0000000077CB2000-memory.dmp

        memory/2876-2-0x0000000001381000-0x00000000013A3000-memory.dmp

        memory/2876-3-0x0000000001380000-0x0000000001818000-memory.dmp

        memory/2876-4-0x0000000001380000-0x0000000001818000-memory.dmp

        memory/2876-5-0x0000000001380000-0x0000000001818000-memory.dmp

        memory/2876-6-0x0000000001380000-0x0000000001818000-memory.dmp

        memory/2876-7-0x0000000001380000-0x0000000001818000-memory.dmp