Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-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.

  • 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
  • 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 14 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:2092
    • C:\Users\Admin\AppData\Roaming\ibv1\UKUYKSWIKSX\StrCmp.exe
      C:\Users\Admin\AppData\Roaming\ibv1\UKUYKSWIKSX\StrCmp.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:2788
    • 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:2604
      • C:\Windows\SysWOW64\SearchIndexer.exe
        C:\Windows\SysWOW64\SearchIndexer.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\5359eebf

    Filesize

    1.1MB

    MD5

    cd35b5b801c4be2ce18b236e76c2fbcb

    SHA1

    3f4bd60ef9fee2bb861e201dc2d6a6c44fdc6a2c

    SHA256

    39c14fa762d15608090be242b06fae8aee350a668062ab9d365619258954d392

    SHA512

    7c431c0dca03f2108a516af1e66c77377a868d5f6a6e0a9e5e3f1943bb18346cd328bebd9573f8a76e83e377c1c834a5321795c1d538d7d135e32c646a625d67

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

    Filesize

    47KB

    MD5

    916d7425a559aaa77f640710a65f9182

    SHA1

    23d25052aef9ba71ddeef7cfa86ee43d5ba1ea13

    SHA256

    118de01fb498e81eab4ade980a621af43b52265a9fcbae5dedc492cdf8889f35

    SHA512

    d0c260a0347441b4e263da52feb43412df217c207eba594d59c10ee36e47e1a098b82ce633851c16096b22f4a4a6f8282bdd23d149e337439fe63a77ec7343bc

  • memory/1680-60-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/1680-59-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/1680-57-0x0000000076CC0000-0x0000000076E69000-memory.dmp

    Filesize

    1.7MB

  • memory/2092-34-0x000007FEF54B9000-0x000007FEF54BA000-memory.dmp

    Filesize

    4KB

  • memory/2092-47-0x000007FEF54A0000-0x000007FEF55F8000-memory.dmp

    Filesize

    1.3MB

  • memory/2092-17-0x0000000000400000-0x0000000001CF7000-memory.dmp

    Filesize

    25.0MB

  • memory/2092-20-0x000007FEF54A0000-0x000007FEF55F8000-memory.dmp

    Filesize

    1.3MB

  • memory/2092-36-0x000007FEF54A0000-0x000007FEF55F8000-memory.dmp

    Filesize

    1.3MB

  • memory/2092-37-0x000007FEF54A0000-0x000007FEF55F8000-memory.dmp

    Filesize

    1.3MB

  • memory/2092-38-0x000007FEF54A0000-0x000007FEF55F8000-memory.dmp

    Filesize

    1.3MB

  • memory/2092-0-0x0000000003CE0000-0x0000000003EC8000-memory.dmp

    Filesize

    1.9MB

  • memory/2092-16-0x0000000000400000-0x0000000001CF7000-memory.dmp

    Filesize

    25.0MB

  • memory/2092-19-0x0000000000400000-0x0000000001CF7000-memory.dmp

    Filesize

    25.0MB

  • memory/2092-15-0x0000000000400000-0x0000000001CF7000-memory.dmp

    Filesize

    25.0MB

  • memory/2092-12-0x0000000000400000-0x0000000001CF7000-memory.dmp

    Filesize

    25.0MB

  • memory/2092-10-0x0000000000400000-0x0000000001CF7000-memory.dmp

    Filesize

    25.0MB

  • memory/2092-14-0x0000000000400000-0x0000000001CF7000-memory.dmp

    Filesize

    25.0MB

  • memory/2604-54-0x00000000744D0000-0x0000000074644000-memory.dmp

    Filesize

    1.5MB

  • memory/2604-56-0x00000000744D0000-0x0000000074644000-memory.dmp

    Filesize

    1.5MB

  • memory/2604-52-0x00000000744D0000-0x0000000074644000-memory.dmp

    Filesize

    1.5MB

  • memory/2604-58-0x00000000744DE000-0x00000000744E0000-memory.dmp

    Filesize

    8KB

  • memory/2604-53-0x00000000744DE000-0x00000000744E0000-memory.dmp

    Filesize

    8KB

  • memory/2604-51-0x0000000076CC0000-0x0000000076E69000-memory.dmp

    Filesize

    1.7MB