Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-08-2024 01:14

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.

  • 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 3 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:3156
    • C:\Users\Admin\AppData\Roaming\ibv1\IBSEIKPEBQGIPW\StrCmp.exe
      C:\Users\Admin\AppData\Roaming\ibv1\IBSEIKPEBQGIPW\StrCmp.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:2152
    • 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:3376
      • C:\Windows\SysWOW64\SearchIndexer.exe
        C:\Windows\SysWOW64\SearchIndexer.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4444
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 620
          4⤵
          • Program crash
          PID:1516
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 804
          4⤵
          • Program crash
          PID:2612
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 1296
          4⤵
          • Program crash
          PID:3132
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4400,i,6510295916244954942,10164894160290787457,262144 --variations-seed-version --mojo-platform-channel-handle=3724 /prefetch:8
    1⤵
      PID:1672
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4444 -ip 4444
      1⤵
        PID:2408
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4444 -ip 4444
        1⤵
          PID:3904
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4444 -ip 4444
          1⤵
            PID:676

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\4158e22f

            Filesize

            1.1MB

            MD5

            8862388172e242babfe348837369d27f

            SHA1

            297c233142cafd128e0e3094e67a65c5b0d7e817

            SHA256

            b4ae075bd038a79874e7c6ddd3bec9a902e0a139df6ee32bdfb4a390c0131c7c

            SHA512

            652ee9fe1cc99973c9d545f87536f719466c469226a835b9157aac99a6efc2d25855a2125d69b49d8b200d1685c8edd2f14069e641a06b4627480889b31dadd0

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

            Filesize

            47KB

            MD5

            916d7425a559aaa77f640710a65f9182

            SHA1

            23d25052aef9ba71ddeef7cfa86ee43d5ba1ea13

            SHA256

            118de01fb498e81eab4ade980a621af43b52265a9fcbae5dedc492cdf8889f35

            SHA512

            d0c260a0347441b4e263da52feb43412df217c207eba594d59c10ee36e47e1a098b82ce633851c16096b22f4a4a6f8282bdd23d149e337439fe63a77ec7343bc

          • memory/3156-16-0x0000000000400000-0x0000000001CF7000-memory.dmp

            Filesize

            25.0MB

          • memory/3156-14-0x0000000000400000-0x0000000001CF7000-memory.dmp

            Filesize

            25.0MB

          • memory/3156-43-0x00007FF9CE280000-0x00007FF9CE3F2000-memory.dmp

            Filesize

            1.4MB

          • memory/3156-17-0x0000000000400000-0x0000000001CF7000-memory.dmp

            Filesize

            25.0MB

          • memory/3156-0-0x0000000004140000-0x0000000004328000-memory.dmp

            Filesize

            1.9MB

          • memory/3156-19-0x0000000000400000-0x0000000001CF7000-memory.dmp

            Filesize

            25.0MB

          • memory/3156-20-0x00007FF9CE280000-0x00007FF9CE3F2000-memory.dmp

            Filesize

            1.4MB

          • memory/3156-35-0x00007FF9CE280000-0x00007FF9CE3F2000-memory.dmp

            Filesize

            1.4MB

          • memory/3156-10-0x0000000000400000-0x0000000001CF7000-memory.dmp

            Filesize

            25.0MB

          • memory/3156-37-0x00007FF9CE280000-0x00007FF9CE3F2000-memory.dmp

            Filesize

            1.4MB

          • memory/3156-12-0x0000000000400000-0x0000000001CF7000-memory.dmp

            Filesize

            25.0MB

          • memory/3156-15-0x0000000000400000-0x0000000001CF7000-memory.dmp

            Filesize

            25.0MB

          • memory/3156-36-0x00007FF9CE299000-0x00007FF9CE29A000-memory.dmp

            Filesize

            4KB

          • memory/3376-47-0x00007FF9EC610000-0x00007FF9EC805000-memory.dmp

            Filesize

            2.0MB

          • memory/3376-49-0x000000007581E000-0x0000000075820000-memory.dmp

            Filesize

            8KB

          • memory/3376-50-0x0000000075810000-0x000000007598B000-memory.dmp

            Filesize

            1.5MB

          • memory/3376-48-0x0000000075810000-0x000000007598B000-memory.dmp

            Filesize

            1.5MB

          • memory/3376-52-0x0000000075810000-0x000000007598B000-memory.dmp

            Filesize

            1.5MB

          • memory/3376-53-0x000000007581E000-0x0000000075820000-memory.dmp

            Filesize

            8KB

          • memory/4444-54-0x00007FF9EC610000-0x00007FF9EC805000-memory.dmp

            Filesize

            2.0MB

          • memory/4444-55-0x0000000000380000-0x00000000003EC000-memory.dmp

            Filesize

            432KB

          • memory/4444-56-0x0000000000380000-0x00000000003EC000-memory.dmp

            Filesize

            432KB