Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10/10/2024, 01:55

General

  • Target
    file.exe
  • Size 1.8MB
  • Sample241010-cb476azdnj
  • SHA256 502b58d102d29f2bf22c6b7b17e9e79dec9d20f8eaa76f5b29ed2c1ebfbc6a1c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • https://clearancek.site

  • https://licendfilteo.site

  • https://spirittunek.store

  • https://bathdoomgaz.store

  • https://studennotediw.store

  • https://dissapoiznw.store

  • https://eaglepawnoy.store

  • https://mobbipenju.store

Signatures

  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • 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:2080

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Cab5E29.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Cab5E29.tmp
        • Size 70KB
        • SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
        • MD5 SHA1 SHA512 SSDEEP

        Tar5E3B.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Tar5E3B.tmp
        • Size 181KB
        • SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
        • MD5 SHA1 SHA512 SSDEEP

        memory/2080-0-0x0000000000800000-0x0000000000C9C000-memory.dmp

        memory/2080-1-0x0000000077E80000-0x0000000077E82000-memory.dmp

        memory/2080-2-0x0000000000801000-0x0000000000827000-memory.dmp

        memory/2080-3-0x0000000000800000-0x0000000000C9C000-memory.dmp

        memory/2080-4-0x0000000000800000-0x0000000000C9C000-memory.dmp

        memory/2080-39-0x0000000000800000-0x0000000000C9C000-memory.dmp

        memory/2080-40-0x0000000000800000-0x0000000000C9C000-memory.dmp