Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • submitted
    01/12/2024, 04:37

General

  • Target
    file.exe
  • Size 1.8MB
  • Sample241201-e8s79s1qhq
  • SHA256 56734b13664b70827d27a64f6eef528bcb68280fb44d43903f2ef7f46cbd73cb
  • 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

  • https://impend-differ.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
  • Program crash 3 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:4060
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4060 -s 1624
      2⤵
      • Program crash
      PID:4124
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4060 -s 1636
      2⤵
      • Program crash
      PID:2412
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4060 -s 1604
      2⤵
      • Program crash
      PID:4460
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4060 -ip 4060
    1⤵
      PID:3528
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4060 -ip 4060
      1⤵
        PID:3644
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4060 -ip 4060
        1⤵
          PID:3656

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              memory/4060-0-0x00000000001C0000-0x0000000000661000-memory.dmp

              memory/4060-1-0x0000000077314000-0x0000000077316000-memory.dmp

              memory/4060-2-0x00000000001C1000-0x00000000001E6000-memory.dmp

              memory/4060-3-0x00000000001C0000-0x0000000000661000-memory.dmp

              memory/4060-4-0x00000000001C0000-0x0000000000661000-memory.dmp

              memory/4060-5-0x00000000001C0000-0x0000000000661000-memory.dmp

              memory/4060-6-0x00000000001C0000-0x0000000000661000-memory.dmp