Analysis

  • max time kernel
    136s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-08-2024 17:47

General

  • Target

    Setup.exe

  • Size

    8.5MB

  • MD5

    98169506fec94c2b12ba9930ad704515

  • SHA1

    bce662a9fb94551f648ba2d7e29659957fd6a428

  • SHA256

    9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363

  • SHA512

    7f4f7ac2326a1a8b7afc72822dae328753578eb0a4ffcec5adb4e4fb0c49703070f71e7411df221ee9f44d6b43a0a94921fe530877c5d5e71640b807e96def30

  • SSDEEP

    196608:vdoUox8PFOegKz+qE1cnuyHgv3eZaOxqeXY4K:vC0O9m7EWEvbOxqetK

Malware Config

Extracted

Family

lumma

C2

https://calcuatllitwop.shop/api

https://locatedblsoqp.shop/api

Signatures

  • Banload

    Banload variants download malicious files, then install and execute the files.

  • Lumma Stealer, LummaC

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

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Suspicious use of SetThreadContext
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4684
    • C:\Users\Admin\AppData\Roaming\ibv1\MGLGEEELPZTJYUHJV\StrCmp.exe
      C:\Users\Admin\AppData\Roaming\ibv1\MGLGEEELPZTJYUHJV\StrCmp.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:3332
    • C:\Windows\SysWOW64\more.com
      C:\Windows\SysWOW64\more.com
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:4688
      • C:\Windows\SysWOW64\SearchIndexer.exe
        C:\Windows\SysWOW64\SearchIndexer.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1704
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 1212
          4⤵
          • Program crash
          PID:3244
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 1252
          4⤵
          • Program crash
          PID:3564
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1704 -ip 1704
    1⤵
      PID:4272
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1704 -ip 1704
      1⤵
        PID:2204

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\3d268093

        Filesize

        1.1MB

        MD5

        4974d268a0ea327c258552487e4699e1

        SHA1

        9537b138da1398346bf931264553746baa94cb1d

        SHA256

        78064b0e6de135696157616d9ebcdd1616c396071ef280580ff840b634a863ec

        SHA512

        17be62783ccad90f62904a7b9037a33e5164a9bdb24a84b8691aa2d9fec081e58a64e00763c74c9440f3bd278577b02cab1d9f75dd60fecebe7ad9fd3e0f585e

      • C:\Users\Admin\AppData\Roaming\ibv1\MGLGEEELPZTJYUHJV\StrCmp.exe

        Filesize

        47KB

        MD5

        916d7425a559aaa77f640710a65f9182

        SHA1

        23d25052aef9ba71ddeef7cfa86ee43d5ba1ea13

        SHA256

        118de01fb498e81eab4ade980a621af43b52265a9fcbae5dedc492cdf8889f35

        SHA512

        d0c260a0347441b4e263da52feb43412df217c207eba594d59c10ee36e47e1a098b82ce633851c16096b22f4a4a6f8282bdd23d149e337439fe63a77ec7343bc

      • memory/1704-60-0x00000000004D0000-0x000000000053C000-memory.dmp

        Filesize

        432KB

      • memory/1704-59-0x00000000004D0000-0x000000000053C000-memory.dmp

        Filesize

        432KB

      • memory/1704-56-0x00000000004D0000-0x000000000053C000-memory.dmp

        Filesize

        432KB

      • memory/1704-55-0x00007FFE9CCF0000-0x00007FFE9CEE5000-memory.dmp

        Filesize

        2.0MB

      • memory/4684-35-0x00007FFE7ED10000-0x00007FFE7EE82000-memory.dmp

        Filesize

        1.4MB

      • memory/4684-17-0x0000000000400000-0x0000000001CF7000-memory.dmp

        Filesize

        25.0MB

      • memory/4684-20-0x00007FFE7ED10000-0x00007FFE7EE82000-memory.dmp

        Filesize

        1.4MB

      • memory/4684-37-0x00007FFE7ED10000-0x00007FFE7EE82000-memory.dmp

        Filesize

        1.4MB

      • memory/4684-38-0x00007FFE7ED10000-0x00007FFE7EE82000-memory.dmp

        Filesize

        1.4MB

      • memory/4684-16-0x0000000000400000-0x0000000001CF7000-memory.dmp

        Filesize

        25.0MB

      • memory/4684-1-0x0000000004070000-0x0000000004258000-memory.dmp

        Filesize

        1.9MB

      • memory/4684-34-0x00007FFE7ED29000-0x00007FFE7ED2A000-memory.dmp

        Filesize

        4KB

      • memory/4684-44-0x00007FFE7ED10000-0x00007FFE7EE82000-memory.dmp

        Filesize

        1.4MB

      • memory/4684-19-0x0000000000400000-0x0000000001CF7000-memory.dmp

        Filesize

        25.0MB

      • memory/4684-10-0x0000000000400000-0x0000000001CF7000-memory.dmp

        Filesize

        25.0MB

      • memory/4684-12-0x0000000000400000-0x0000000001CF7000-memory.dmp

        Filesize

        25.0MB

      • memory/4684-14-0x0000000000400000-0x0000000001CF7000-memory.dmp

        Filesize

        25.0MB

      • memory/4684-15-0x0000000000400000-0x0000000001CF7000-memory.dmp

        Filesize

        25.0MB

      • memory/4688-53-0x0000000075840000-0x00000000759BB000-memory.dmp

        Filesize

        1.5MB

      • memory/4688-54-0x000000007584E000-0x0000000075850000-memory.dmp

        Filesize

        8KB

      • memory/4688-51-0x0000000075840000-0x00000000759BB000-memory.dmp

        Filesize

        1.5MB

      • memory/4688-49-0x0000000075840000-0x00000000759BB000-memory.dmp

        Filesize

        1.5MB

      • memory/4688-50-0x000000007584E000-0x0000000075850000-memory.dmp

        Filesize

        8KB

      • memory/4688-48-0x00007FFE9CCF0000-0x00007FFE9CEE5000-memory.dmp

        Filesize

        2.0MB