Analysis

  • max time kernel
    92s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2024 02:34

General

  • Target

    59492c239987c11dac31153e0588926b4262589e19da4288915cc49a09a7b43e.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

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\59492c239987c11dac31153e0588926b4262589e19da4288915cc49a09a7b43e.exe
    "C:\Users\Admin\AppData\Local\Temp\59492c239987c11dac31153e0588926b4262589e19da4288915cc49a09a7b43e.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:3592
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 1640
      2⤵
      • Program crash
      PID:3940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 1616
      2⤵
      • Program crash
      PID:2248
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3592 -ip 3592
    1⤵
      PID:592
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3592 -ip 3592
      1⤵
        PID:2444

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3592-0-0x00000000008D0000-0x0000000000D6D000-memory.dmp

        Filesize

        4.6MB

      • memory/3592-1-0x00000000772B4000-0x00000000772B6000-memory.dmp

        Filesize

        8KB

      • memory/3592-2-0x00000000008D1000-0x00000000008F7000-memory.dmp

        Filesize

        152KB

      • memory/3592-3-0x00000000008D0000-0x0000000000D6D000-memory.dmp

        Filesize

        4.6MB

      • memory/3592-4-0x00000000008D0000-0x0000000000D6D000-memory.dmp

        Filesize

        4.6MB

      • memory/3592-5-0x00000000008D0000-0x0000000000D6D000-memory.dmp

        Filesize

        4.6MB