Analysis

  • max time kernel
    138s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/10/2024, 14:01

General

  • Target
    file.exe
  • Size 2.8MB
  • Sample241014-rbjc1sshjk
  • SHA256 bc1dc5638c3d4cafd7307956d800931cfc801e982c4907d01efffe063bcda0ca
  • 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
  • Program crash 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 2 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:740
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1516
      2⤵
      • Program crash
      PID:4648
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 740 -ip 740
    1⤵
      PID:2692

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/740-0-0x0000000000850000-0x0000000000B53000-memory.dmp

          memory/740-1-0x00000000777C4000-0x00000000777C6000-memory.dmp

          memory/740-2-0x0000000000851000-0x0000000000877000-memory.dmp

          memory/740-3-0x0000000000850000-0x0000000000B53000-memory.dmp

          memory/740-4-0x0000000000850000-0x0000000000B53000-memory.dmp

          memory/740-5-0x0000000000850000-0x0000000000B53000-memory.dmp