Analysis

  • max time kernel
    93s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-01-2025 08:57

General

  • Target

    Sigmanly_98ab1399c9b0d9f23958dc463502fd08c3cf2eab19286571a31be21e838f8f1b.exe

  • Size

    2.8MB

  • MD5

    58a0988b9a12160f19897264f4fed862

  • SHA1

    d156cfe7af82897777ce1790a27e4ba80be77fc2

  • SHA256

    98ab1399c9b0d9f23958dc463502fd08c3cf2eab19286571a31be21e838f8f1b

  • SHA512

    c514208db96ec9379a0382a645fcd23f31dd0c8051cf8ec4eedbc7d17e40858893d8d621404556954ff3fdeb033ef7101777ea1b5fc5e82e1e93ba02b20f75f1

  • SSDEEP

    49152:3m8fy7XKq4IeVeIR7foOLw1+KVqkAZr0T1IIWSMzc+1u:3m8uKq4IeVeIR7foqwKVk1wSMx1u

Malware Config

Extracted

Family

lumma

C2

https://hummskitnj.buzz/api

https://cashfuzysao.buzz/api

https://appliacnesot.buzz/api

https://screwamusresz.buzz/api

https://inherineau.buzz/api

https://scentniej.buzz/api

https://rebuildeso.buzz/api

https://prisonyfork.buzz/api

https://mindhandru.buzz/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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Sigmanly_98ab1399c9b0d9f23958dc463502fd08c3cf2eab19286571a31be21e838f8f1b.exe
    "C:\Users\Admin\AppData\Local\Temp\Sigmanly_98ab1399c9b0d9f23958dc463502fd08c3cf2eab19286571a31be21e838f8f1b.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:2940

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2940-0-0x00000000001B0000-0x00000000004AA000-memory.dmp

    Filesize

    3.0MB

  • memory/2940-1-0x0000000076FE4000-0x0000000076FE6000-memory.dmp

    Filesize

    8KB

  • memory/2940-3-0x00000000001B0000-0x00000000004AA000-memory.dmp

    Filesize

    3.0MB

  • memory/2940-2-0x00000000001B1000-0x00000000001D8000-memory.dmp

    Filesize

    156KB

  • memory/2940-4-0x00000000001B0000-0x00000000004AA000-memory.dmp

    Filesize

    3.0MB

  • memory/2940-6-0x00000000001B0000-0x00000000004AA000-memory.dmp

    Filesize

    3.0MB