Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2024, 12:29

General

  • Target
    file.exe
  • Size 3.0MB
  • Sample241107-pnwsrsscnd
  • SHA256 1d32662fb0f86e9f7da870ce4868edf093140ef0282f2d32a217e8f4f49c751a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • https://founpiuer.store/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
  • Program crash 2 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:2240
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 1488
      2⤵
      • Program crash
      PID:2348
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2240 -ip 2240
    1⤵
      PID:3300
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2240 -ip 2240
      1⤵
        PID:2528
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2240 -ip 2240
        1⤵
          PID:3792
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 1512
          1⤵
          • Program crash
          PID:312

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              memory/2240-0-0x00000000007A0000-0x0000000000AA1000-memory.dmp

              memory/2240-1-0x0000000077474000-0x0000000077476000-memory.dmp

              memory/2240-2-0x00000000007A1000-0x00000000007F9000-memory.dmp

              memory/2240-3-0x00000000007A0000-0x0000000000AA1000-memory.dmp

              memory/2240-4-0x00000000007A0000-0x0000000000AA1000-memory.dmp

              memory/2240-5-0x00000000007A0000-0x0000000000AA1000-memory.dmp

              memory/2240-7-0x00000000007A0000-0x0000000000AA1000-memory.dmp

              memory/2240-8-0x00000000007A1000-0x00000000007F9000-memory.dmp