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Analysis

  • max time kernel
    99s
  • max time network
    142s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20250113-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250113-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    21/01/2025, 20:18

General

  • Target

    rJDqJIa.exe

  • Size

    1.8MB

  • MD5

    17107886ab85d1fe843d507496b67531

  • SHA1

    928468a987de2bdab60929957643488391e59814

  • SHA256

    9b78a9c08bdaf02a95bb174177d43ba37b45b32ca7315faea007178672a36330

  • SHA512

    d37b08761b07e1a5e3116ed6f52c98c0c7c211bbf0dcc96b77949aab43307cd979348c83990691bc7db324e7bbccf45ce356ce8f9da26b5b0a132ed605fd55e9

  • SSDEEP

    49152:WhN5mE5D7yVsVO6J3nrQTqjTE1ECL+ZRsR0dWyQ:+/H50sTJXrvT4gWyQ

Malware Config

Extracted

Family

lumma

C2

https://suggestyuoz.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
  • 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\rJDqJIa.exe
    "C:\Users\Admin\AppData\Local\Temp\rJDqJIa.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:892

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/892-0-0x0000000000A70000-0x0000000000F08000-memory.dmp

    Filesize

    4.6MB

  • memory/892-1-0x0000000076F65000-0x0000000076F67000-memory.dmp

    Filesize

    8KB

  • memory/892-2-0x0000000000A71000-0x0000000000A99000-memory.dmp

    Filesize

    160KB

  • memory/892-3-0x0000000000A70000-0x0000000000F08000-memory.dmp

    Filesize

    4.6MB

  • memory/892-4-0x0000000000A70000-0x0000000000F08000-memory.dmp

    Filesize

    4.6MB

  • memory/892-6-0x0000000000A70000-0x0000000000F08000-memory.dmp

    Filesize

    4.6MB