Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/10/2026, 03:48

General

  • Target
    jaffacakes118_not-a-virus.Downloader.Win32.DownloAdmin.bupz.exe
  • Size 913KB
  • Sample261014-ecslvsvx4n
  • SHA256 3dc1498e8e46a64738782a42bcde5ac844ff4f2a0e125f3c4b2692f3b81d8f12
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Loads dropped DLL 6 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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 6 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_not-a-virus.Downloader.Win32.DownloAdmin.bupz.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_not-a-virus.Downloader.Win32.DownloAdmin.bupz.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3356
    • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_not-a-virus.Downloader.Win32.DownloAdmin.bupz.exe
      "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_not-a-virus.Downloader.Win32.DownloAdmin.bupz.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3088
      • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_not-a-virus.Downloader.Win32.DownloAdmin.bupz.exe
        "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_not-a-virus.Downloader.Win32.DownloAdmin.bupz.exe"
        3⤵
        • Loads dropped DLL
        • Checks whether UAC is enabled
        • Reads the TCP/IP host and domain name from the registry
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        PID:4276

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        1MEs0jPpPcDZ.dll

        • Path C:\Users\Admin\AppData\Local\Temp\pb3Tl4fjXXajDEU\1MEs0jPpPcDZ.dll
        • Size 76KB
        • SHA256 93f22e354bd43ff42c88fa83f1ddc2ba2cd68624a948cd94c86a0a15c0167b71
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2Smfief.dll

        • Path C:\Users\Admin\AppData\Local\Temp\pb3Tl4fjXXajDEU\2Smfief.dll
        • Size 202KB
        • SHA256 cc19c4d2c90fb690db678846bc5545c134e0eca10a2d75cce1bb4f49c3428ef4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UugHSsEez1SsaBz1bCz1Ttz1fGhI67jKCc.dll

        • Path C:\Users\Admin\AppData\Local\Temp\pb3Tl4fjXXajDEU\UugHSsEez1SsaBz1bCz1Ttz1fGhI67jKCc.dll
        • Size 5KB
        • SHA256 0e7dedad1360a808e7ab1086ff1fffa7b72f09475c07a6991b74a6c6b78ccf66
        • MD5 SHA1 SHA512 SSDEEP TLSH

        lua51.dll

        • Path C:\Users\Admin\AppData\Local\Temp\pb3Tl4fjXXajDEU\lua51.dll
        • Size 494KB
        • SHA256 6e35d85fe4365e508adc7faffc4517c29177380c2ba420f02c2b9ee03103d3f6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4276-20-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/4276-23-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/4276-21-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/4276-19-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/4276-22-0x000000007FE80000-0x000000007FE90000-memory.dmp

        memory/4276-17-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/4276-14-0x0000000002250000-0x0000000002287000-memory.dmp

        memory/4276-18-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/4276-24-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/4276-7-0x00000000021F0000-0x0000000002207000-memory.dmp

        memory/4276-32-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/4276-33-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/4276-31-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/4276-30-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/4276-29-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/4276-28-0x000000007FE90000-0x000000007FEA0000-memory.dmp