Analysis

  • max time kernel
    93s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/01/2025, 18:32

General

  • Target
    EzIntl.exe
  • Size 150.0MB
  • Sample250106-w6xlcawkfl
  • SHA256 b8fd45bf4d8c210d7a107a915ec2629ecd51ed745969274b6aa46d89808814d4
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • lumma

C2
  • https://cloudewahsj.shop/api

  • https://rabidcowse.shop/api

  • https://noisycuttej.shop/api

  • https://tirepublicerj.shop/api

  • https://framekgirus.shop/api

  • https://wholersorie.shop/api

  • https://abruptyopsn.shop/api

  • https://nearycrepso.shop/api

Extracted

Family
  • lumma

C2
  • https://wholersorie.shop/api

  • https://framekgirus.shop/api

  • https://tirepublicerj.shop/api

  • https://noisycuttej.shop/api

  • https://rabidcowse.shop/api

Signatures

  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Lumma family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 13 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\EzIntl.exe
    "C:\Users\Admin\AppData\Local\Temp\EzIntl.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c move Cloudy Cloudy.cmd & Cloudy.cmd
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1952
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2020
      • C:\Windows\SysWOW64\findstr.exe
        findstr /I "opssvc wrsa"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4656
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1268
      • C:\Windows\SysWOW64\findstr.exe
        findstr "AvastUI AVGUI bdservicehost nsWscSvc ekrn SophosHealth"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4480
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c md 686536
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4040
      • C:\Windows\SysWOW64\extrac32.exe
        extrac32 /Y /E Justify
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2788
      • C:\Windows\SysWOW64\findstr.exe
        findstr /V "Backing" Kelly
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4136
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c copy /b 686536\Hugo.com + Ware + Sanyo + Pg + Folk + Lifetime + Robert + Enlarge + Hence 686536\Hugo.com
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4408
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c copy /b ..\Selection + ..\Suse + ..\Illustrations + ..\Alerts + ..\Smart + ..\Steps + ..\Lovers y
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4080
      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\686536\Hugo.com
        Hugo.com y
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3752
      • C:\Windows\SysWOW64\choice.exe
        choice /d y /t 5
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4432

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        Hugo.com

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\686536\Hugo.com
        • Size 726B
        • SHA256 91e1c43a78443fe19f91ffb24fedb5ee0e682eaf171333adde2823b7245fe32a
        • MD5 SHA1 SHA512

        Hugo.com

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\686536\Hugo.com
        • Size 925KB
        • SHA256 1300262a9d6bb6fcbefc0d299cce194435790e70b9c7b4a651e202e90a32fd49
        • MD5 SHA1 SHA512 SSDEEP

        y

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\686536\y
        • Size 491KB
        • SHA256 12de133e6f46b487b0fc8fb466c30ae189a62d6b77e17758bef1d78cfe7ca4b5
        • MD5 SHA1 SHA512 SSDEEP

        Alerts

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Alerts
        • Size 81KB
        • SHA256 81028c1c0254bf3661f66464ff5c32329a07a5f65dd33bfab95f9d20e8d2c25f
        • MD5 SHA1 SHA512 SSDEEP

        Cloudy

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Cloudy
        • Size 25KB
        • SHA256 260233a98b15c80a0c13d315497a2576448fe51cbb9bd98ea4fb89a614784a09
        • MD5 SHA1 SHA512 SSDEEP

        Enlarge

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Enlarge
        • Size 127KB
        • SHA256 70e9edc7b1b2b7ec84a2d8679f8e1a3ec53d6f8fa0006cf0abad774949af47cc
        • MD5 SHA1 SHA512 SSDEEP

        Folk

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Folk
        • Size 120KB
        • SHA256 1e5c8764a4183f950b728763e233f2ea5d966919a803e2cfd5abb8db989b3f79
        • MD5 SHA1 SHA512 SSDEEP

        Hence

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Hence
        • Size 63KB
        • SHA256 2b1453087de0e47a5575e063bbb2d64dcacb82c51c382d42f624a4729b241aed
        • MD5 SHA1 SHA512 SSDEEP

        Illustrations

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Illustrations
        • Size 99KB
        • SHA256 175e85a1f212bddb8cc6ecb55ba5bb566cbe5ba08685929e0e56834d24acf70f
        • MD5 SHA1 SHA512 SSDEEP

        Justify

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Justify
        • Size 477KB
        • SHA256 d1cd829a22a96b6ef923b099edd0a70148e0df7952bce709dfeabdb0821481cb
        • MD5 SHA1 SHA512 SSDEEP

        Kelly

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Kelly
        • Size 733B
        • SHA256 3c0dca2776c4ff962652481fdc54c593e38c0af50016626a7991bf68003563c0
        • MD5 SHA1 SHA512

        Lifetime

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Lifetime
        • Size 89KB
        • SHA256 377142412a126e3ed09f750db4970a696ba3f5a5e042a17fe34e82754c5d145c
        • MD5 SHA1 SHA512 SSDEEP

        Lovers

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Lovers
        • Size 35KB
        • SHA256 fccae85d1b45a4a6f6a9bcb369fa7c8a012dc2fcc3e6ad2d93bdddff527ebb6f
        • MD5 SHA1 SHA512 SSDEEP

        Pg

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Pg
        • Size 137KB
        • SHA256 b31778d643869e67eefb497906f92bd0605ec0ca0ea0b658d5dfaf99445ad506
        • MD5 SHA1 SHA512 SSDEEP

        Robert

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Robert
        • Size 99KB
        • SHA256 c4397deefb0cfddb5c71f93fa5d993b698c88d10c1aa9b550face439f09e6a0e
        • MD5 SHA1 SHA512 SSDEEP

        Sanyo

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Sanyo
        • Size 143KB
        • SHA256 8ed1351b297f6ae561d8cbcb860470bf4cda8e9c77cbbae1dd9ec2b5151ae86b
        • MD5 SHA1 SHA512 SSDEEP

        Selection

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Selection
        • Size 73KB
        • SHA256 bbc2d48f751a6fcbe3a19470be69d77da346f4c87e38a0421fd4ce941ca592de
        • MD5 SHA1 SHA512 SSDEEP

        Smart

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Smart
        • Size 76KB
        • SHA256 8259d660879a9a28012b0d7f4d1a360b8bcfbbcc01cbcd308e04455c5e2766d7
        • MD5 SHA1 SHA512 SSDEEP

        Steps

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Steps
        • Size 56KB
        • SHA256 2257296ba16a378e02d68d82ff9bd280f3ad173e013248d9369ce08f4f900094
        • MD5 SHA1 SHA512 SSDEEP

        Suse

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Suse
        • Size 71KB
        • SHA256 6b6d3f0088a0bfcb9652fdf848ad15cb8e0303de35ddf1f90517991eec557571
        • MD5 SHA1 SHA512 SSDEEP

        Ware

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Ware
        • Size 146KB
        • SHA256 68a96df5c94374a988ea3d1222a7931eb24565fb78ea6832d5a6bdc993095ec9
        • MD5 SHA1 SHA512 SSDEEP

        memory/3752-62-0x0000000004AF0000-0x0000000004B4B000-memory.dmp

        memory/3752-63-0x0000000004AF0000-0x0000000004B4B000-memory.dmp

        memory/3752-64-0x0000000004AF0000-0x0000000004B4B000-memory.dmp

        memory/3752-66-0x0000000004AF0000-0x0000000004B4B000-memory.dmp

        memory/3752-65-0x0000000004AF0000-0x0000000004B4B000-memory.dmp