Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2024 16:20

General

  • Target

    file.exe

  • Size

    1.8MB

  • MD5

    cdd5f94d07f51880aac7820d436dbfb0

  • SHA1

    1788017509acc93f8acc5be6c03bb0c05905d0ad

  • SHA256

    59492c239987c11dac31153e0588926b4262589e19da4288915cc49a09a7b43e

  • SHA512

    eeb077e5f834ce539240c5a778d00f7dcbfb01ef46784ccb370bdcd56266f1bb538beff359cd8cdd6bcaa04585378a827b103c5187ea3f6f4d851a8139d3e137

  • SSDEEP

    49152:iLn0hE6opDJrhpwcggnjJ4oK54m9w025:+n0q6o7g6jJ4oK54m9b2

Malware Config

Extracted

Family

lumma

C2

https://powerful-avoids.sbs

https://motion-treesz.sbs

https://disobey-curly.sbs

https://leg-sate-boat.sbs

https://story-tense-faz.sbs

https://blade-govern.sbs

https://occupy-blushi.sbs

https://frogs-severz.sbs

https://property-imper.sbs

Extracted

Family

lumma

C2

https://blade-govern.sbs/api

https://story-tense-faz.sbs/api

https://disobey-curly.sbs/api

https://motion-treesz.sbs/api

https://powerful-avoids.sbs/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.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 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
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    PID:2508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab91C6.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar91E8.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/2508-0-0x00000000001F0000-0x000000000068D000-memory.dmp

    Filesize

    4.6MB

  • memory/2508-1-0x0000000076F00000-0x0000000076F02000-memory.dmp

    Filesize

    8KB

  • memory/2508-2-0x00000000001F1000-0x0000000000217000-memory.dmp

    Filesize

    152KB

  • memory/2508-3-0x00000000001F0000-0x000000000068D000-memory.dmp

    Filesize

    4.6MB

  • memory/2508-4-0x00000000001F0000-0x000000000068D000-memory.dmp

    Filesize

    4.6MB

  • memory/2508-39-0x00000000001F0000-0x000000000068D000-memory.dmp

    Filesize

    4.6MB