Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/10/2026, 17:17

General

  • Target
    jaffacakes118_Net-Worm.Win32.Allaple.b.exe
  • Size 63KB
  • Sample261009-vtsaeshx2l
  • SHA256 9c0840843603e091618687277411c3efa322666fbeb566b25f53b0e62821cd7d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Deletes itself 1 TTPs 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 64 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Net-Worm.Win32.Allaple.b.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Net-Worm.Win32.Allaple.b.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:960
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /installservice
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:4908
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /start
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:2072
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Net-Worm.Win32.Allaple.b.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies registry class
      PID:5748
  • C:\Windows\SysWOW64\urdvxc.exe
    "C:\Windows\SysWOW64\urdvxc.exe" /service
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    PID:2056
  • C:\Windows\SysWOW64\urdvxc.exe
    "C:\Windows\SysWOW64\urdvxc.exe" /service
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Modifies registry class
    PID:1392

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        ltsbrnkb.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\ltsbrnkb.exe
        • Size 63KB
        • SHA256 d69c95b3839cf2e9542ab2d193bedf26e137fae4765a54b88538e791c67543d3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        README.html

        • Path C:\Program Files\Java\jdk-1.8\README.html
        • Size 263B
        • SHA256 f37026c18146ffd616868fc2b6b18bd1d4d35d701a99d1eb1e3b0974c01079b1
        • MD5 SHA1 SHA512 TLSH

        Welcome.html

        • Path C:\Program Files\Java\jdk-1.8\jre\Welcome.html
        • Size 1KB
        • SHA256 a75b341c8fd6f80e845643209cfdebb28fae8970ad1ca845f25e14df5ebb5114
        • MD5 SHA1 SHA512 TLSH

        Welcome.html

        • Path C:\Program Files\Java\jre-1.8\Welcome.html
        • Size 1KB
        • SHA256 19e1c1ab82567c764ae0e79e4bce4376fee0228f3e5c063eead493dc66629961
        • MD5 SHA1 SHA512 TLSH

        PersonaSpy.html

        • Path C:\Program Files\Microsoft Office\root\Office16\PersonaSpy\PersonaSpy.html
        • Size 1KB
        • SHA256 fcd66e8e56164804b031e01cf09f3da3338eb9d92b9bf4eb23097ce32018b9a9
        • MD5 SHA1 SHA512 TLSH

        CURRENCY.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\CURRENCY.HTM
        • Size 654B
        • SHA256 033773d3d6f806730d1014b9c33f39dd9ccd55c1e2802bfd61b127d1691c138f
        • MD5 SHA1 SHA512 TLSH

        DADSHIRT.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\DADSHIRT.HTM
        • Size 598B
        • SHA256 f26cf5bcc8c73c4fcf70faa4bac6a8a525ef4f947a7a247c1fb804512e7bfb85
        • MD5 SHA1 SHA512 TLSH

        JUDGESCH.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\JUDGESCH.HTM
        • Size 611B
        • SHA256 a6c288b90aff6966455456669d581a3ef5eee5961904017f01ba1d5305213bcd
        • MD5 SHA1 SHA512 TLSH

        JUNGLE.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\JUNGLE.HTM
        • Size 617B
        • SHA256 8d2657545730326624bb04354e1f284ae77f30d50e3fe50cf8e43ee514adcbae
        • MD5 SHA1 SHA512 TLSH

        NOTEBOOK.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\NOTEBOOK.HTM
        • Size 606B
        • SHA256 772c223ed38776e855cd1387321cf959c70ba331512e5d340b4ae4860bdd6e51
        • MD5 SHA1 SHA512 TLSH

        OFFISUPP.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\OFFISUPP.HTM
        • Size 579B
        • SHA256 7e320105a13421ac6e1604ae3529c836a8c4468cdaec63025c62940fc559b9ba
        • MD5 SHA1 SHA512 TLSH

        PAWPRINT.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\PAWPRINT.HTM
        • Size 582B
        • SHA256 11938b4f3c0a54a5d1e02466eddb4d9c6ae55188d693e5def514cf724f657b8a
        • MD5 SHA1 SHA512 TLSH

        PINELUMB.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\PINELUMB.HTM
        • Size 595B
        • SHA256 823604421cf850090df8d640ba0343d094357665f35e86190aa4943dde0b96f2
        • MD5 SHA1 SHA512 TLSH

        SEAMARBL.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\SEAMARBL.HTM
        • Size 615B
        • SHA256 69545ad571c9947fbbcafd02cf071b2d12219e0193247bf2c8dd8e105d088f2b
        • MD5 SHA1 SHA512 TLSH

        TECHTOOL.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\TECHTOOL.HTM
        • Size 590B
        • SHA256 08e4798d998c1bbf970a62fdfe0c6bf011f9b4b2282ec3a0afe6e9da113fb775
        • MD5 SHA1 SHA512 TLSH

        MCABOUT.HTM

        • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\1033\MCABOUT.HTM
        • Size 11KB
        • SHA256 1102b8a9933b2191f1b80bd9bc478f301536216332ddf2986d3ffc792474be3d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        bkbbtzlb.exe

        • Path C:\Program Files\VideoLAN\VLC\lua\http\bkbbtzlb.exe
        • Size 63KB
        • SHA256 d2394ddabed9135da35685bedc9db85e75ae051f03a62779dbcff30c1dd551ce
        • MD5 SHA1 SHA512 SSDEEP TLSH

        index.html

        • Path C:\Program Files\VideoLAN\VLC\lua\http\index.html
        • Size 15KB
        • SHA256 fafd09abc8d33f454a6a43b419b36d49032ce5ef27e59b56343a74653b604e38
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mobile.html

        • Path C:\Program Files\VideoLAN\VLC\lua\http\mobile.html
        • Size 5KB
        • SHA256 e9ff3b8538706c51c79ec63d976e5dc355b4d22e998efae2cee5895600d25ff4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mobile_equalizer.html

        • Path C:\Program Files\VideoLAN\VLC\lua\http\mobile_equalizer.html
        • Size 2KB
        • SHA256 465a41d6193c5f20310f092f20672eeef3f74d1901118ef0e80d3b662bdaa588
        • MD5 SHA1 SHA512 TLSH

        mobile_view.html

        • Path C:\Program Files\VideoLAN\VLC\lua\http\mobile_view.html
        • Size 2KB
        • SHA256 8c76541c1fbb926e4bc036ec9ab1630b3262d3f6ecc46762bfdecc5b007bef92
        • MD5 SHA1 SHA512 TLSH

        urdvxc.exe

        • Path C:\Windows\SysWOW64\urdvxc.exe
        • Size 63KB
        • SHA256 9c0840843603e091618687277411c3efa322666fbeb566b25f53b0e62821cd7d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/960-78-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/960-1-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/960-0-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1392-83-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/1392-60-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/1392-22-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/1392-907-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/1392-84-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/1392-80-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/1392-38-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/1392-75-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/1392-43-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/1392-44-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/1392-74-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/1392-45-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/1392-47-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/1392-71-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/1392-49-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/1392-70-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/1392-51-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/1392-68-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/1392-66-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/1392-54-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/1392-56-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/1392-64-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/1392-57-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/1392-61-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-72-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-35-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-62-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-58-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-55-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-63-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-65-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-53-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-67-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-52-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-69-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-50-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-48-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-32-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-73-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-46-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-37-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-76-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-7-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-36-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-79-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-82-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-31-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-30-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-85-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-59-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-86-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-386-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-34-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-29-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-28-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-27-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-26-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-8-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-24-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-23-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-21-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-33-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-19-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-12-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-17-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-15-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-13-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2056-14-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/2072-18-0x0000000000790000-0x00000000007AF000-memory.dmp

        memory/2072-25-0x0000000000790000-0x00000000007AF000-memory.dmp

        memory/4908-5-0x0000000000780000-0x000000000079F000-memory.dmp

        memory/4908-4-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/4908-3-0x0000000000780000-0x000000000079F000-memory.dmp

        memory/5748-81-0x00000000005A0000-0x00000000005BF000-memory.dmp