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
    25-08-2024 12:31

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

https://traineiwnqo.shop/api

https://condedqpwqm.shop/api

https://millyscroqwp.shop/api

https://stagedchheiqwo.shop/api

https://stamppreewntnq.shop/api

https://caffegclasiqwp.shop/api

https://tenntysjuxmz.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.

  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Suspicious use of SetThreadContext 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Program crash 1 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:2556
    • C:\Users\Admin\AppData\Roaming\ibv1\HZEBCWUDFDFOVY\StrCmp.exe
      C:\Users\Admin\AppData\Roaming\ibv1\HZEBCWUDFDFOVY\StrCmp.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:2908
    • 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:2364
      • C:\Windows\SysWOW64\SearchIndexer.exe
        C:\Windows\SysWOW64\SearchIndexer.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4192
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4192 -s 1316
          4⤵
          • Program crash
          PID:2000
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4192 -ip 4192
    1⤵
      PID:744

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\85734fd1

      Filesize

      1.1MB

      MD5

      38e9e455853eb6bb138b39f42a899c88

      SHA1

      6badbeb360584d7baf7d9c938b340ea2f6e6db2d

      SHA256

      9e6d1b4b48072a697065f6be5cbc509b8131e547a5df84558a8348494c8e7d9f

      SHA512

      cd2397e875d4864d0f2a6b571a6786b17f731696c30ce523c10127791c3e553eb91c14a49b5a6f1d06d529fa7535ef3ccf6b205edb7b54b1ed31068b45cf5bc7

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

      Filesize

      47KB

      MD5

      916d7425a559aaa77f640710a65f9182

      SHA1

      23d25052aef9ba71ddeef7cfa86ee43d5ba1ea13

      SHA256

      118de01fb498e81eab4ade980a621af43b52265a9fcbae5dedc492cdf8889f35

      SHA512

      d0c260a0347441b4e263da52feb43412df217c207eba594d59c10ee36e47e1a098b82ce633851c16096b22f4a4a6f8282bdd23d149e337439fe63a77ec7343bc

    • memory/2364-50-0x0000000075B00000-0x0000000075C7B000-memory.dmp

      Filesize

      1.5MB

    • memory/2364-47-0x00007FFBC83D0000-0x00007FFBC85C5000-memory.dmp

      Filesize

      2.0MB

    • memory/2364-53-0x0000000075B0E000-0x0000000075B10000-memory.dmp

      Filesize

      8KB

    • memory/2364-52-0x0000000075B00000-0x0000000075C7B000-memory.dmp

      Filesize

      1.5MB

    • memory/2364-48-0x0000000075B00000-0x0000000075C7B000-memory.dmp

      Filesize

      1.5MB

    • memory/2364-49-0x0000000075B0E000-0x0000000075B10000-memory.dmp

      Filesize

      8KB

    • memory/2556-16-0x0000000000400000-0x0000000001CF7000-memory.dmp

      Filesize

      25.0MB

    • memory/2556-0-0x0000000004080000-0x0000000004268000-memory.dmp

      Filesize

      1.9MB

    • memory/2556-10-0x0000000000400000-0x0000000001CF7000-memory.dmp

      Filesize

      25.0MB

    • memory/2556-38-0x00007FFBAA3C0000-0x00007FFBAA532000-memory.dmp

      Filesize

      1.4MB

    • memory/2556-12-0x0000000000400000-0x0000000001CF7000-memory.dmp

      Filesize

      25.0MB

    • memory/2556-15-0x0000000000400000-0x0000000001CF7000-memory.dmp

      Filesize

      25.0MB

    • memory/2556-35-0x00007FFBAA3C0000-0x00007FFBAA532000-memory.dmp

      Filesize

      1.4MB

    • memory/2556-20-0x00007FFBAA3C0000-0x00007FFBAA532000-memory.dmp

      Filesize

      1.4MB

    • memory/2556-19-0x0000000000400000-0x0000000001CF7000-memory.dmp

      Filesize

      25.0MB

    • memory/2556-17-0x0000000000400000-0x0000000001CF7000-memory.dmp

      Filesize

      25.0MB

    • memory/2556-36-0x00007FFBAA3D9000-0x00007FFBAA3DA000-memory.dmp

      Filesize

      4KB

    • memory/2556-14-0x0000000000400000-0x0000000001CF7000-memory.dmp

      Filesize

      25.0MB

    • memory/2556-43-0x00007FFBAA3C0000-0x00007FFBAA532000-memory.dmp

      Filesize

      1.4MB

    • memory/4192-54-0x00007FFBC83D0000-0x00007FFBC85C5000-memory.dmp

      Filesize

      2.0MB

    • memory/4192-55-0x0000000000980000-0x00000000009EC000-memory.dmp

      Filesize

      432KB

    • memory/4192-58-0x0000000000980000-0x00000000009EC000-memory.dmp

      Filesize

      432KB