Analysis

  • max time kernel
    150s
  • max time network
    142s
  • 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, 07:50

General

  • Target
    jaffacakes118_Net-Worm.Win32.Allaple.b.exe
  • Size 56KB
  • Sample261014-jpr83sfb84
  • SHA256 7a663fee18d3d11486a98d97e1a37d7c61e6fd5a2b7fd65884310de289eaede2
  • 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:4332
    • 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:932
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /start
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:3824
    • 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:420
  • 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:6008
  • 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:2496

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        index.html

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\index.html
        • Size 3KB
        • SHA256 d4369b3f3de02a2e6fafb115bfba1f41b02ecb1d105a9a32dfe3ccf226e4f74c
        • MD5 SHA1 SHA512 TLSH

        ltsbrnkb.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\ltsbrnkb.exe
        • Size 56KB
        • SHA256 59d6135485168a05b16157e080c7a957a1d0c375ea86f9bd3d11e3729b5517be
        • 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 6ffa2002e97816536eb55bef0ba11402fda791a3c4e7fa42f15f64967cdf1e9e
        • MD5 SHA1 SHA512 TLSH

        Welcome.html

        • Path C:\Program Files\Java\jre-1.8\Welcome.html
        • Size 1KB
        • SHA256 a22037d6fa3155c7d8802069959c3e79cb6e5c789156528a814af3310f4ac7d2
        • MD5 SHA1 SHA512 TLSH

        tsbknceh.exe

        • Path C:\Program Files\Microsoft Office\root\Office16\PersonaSpy\tsbknceh.exe
        • Size 56KB
        • SHA256 97b2d06260a53bb4788df9e90f3e6906dbf17fc2c96acb2c1d4491087a0e903c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CURRENCY.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\CURRENCY.HTM
        • Size 654B
        • SHA256 1b4e77b0dd333f929e44ece12cbc6a9577d74c535e0f3b388a3d6310e0dc35d6
        • MD5 SHA1 SHA512 TLSH

        DADSHIRT.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\DADSHIRT.HTM
        • Size 598B
        • SHA256 4c7f3d717029e763c93f26c98ea991352cf93156083863a9b8aa27f90758df57
        • MD5 SHA1 SHA512 TLSH

        JUDGESCH.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\JUDGESCH.HTM
        • Size 622B
        • SHA256 2518e06f579b46b84ca95a566c2ecf86d42f33629b5d13b2c11fde24cb21302a
        • MD5 SHA1 SHA512 TLSH

        JUNGLE.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\JUNGLE.HTM
        • Size 630B
        • SHA256 bec473f62771b38d0ef5254c6d76ba3455eca352ef288dcff310a9086c718578
        • MD5 SHA1 SHA512 TLSH

        NOTEBOOK.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\NOTEBOOK.HTM
        • Size 606B
        • SHA256 aa46b4f2652fbd334dd81c448a7fb7a77e396f2a59e101eff267467838cd9ad4
        • MD5 SHA1 SHA512 TLSH

        OFFISUPP.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\OFFISUPP.HTM
        • Size 582B
        • SHA256 c5df27079e7abcfc4ebf272c5cbf3082363b7ac7d86816509eb2746a1b2e3cc0
        • MD5 SHA1 SHA512 TLSH

        PAWPRINT.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\PAWPRINT.HTM
        • Size 590B
        • SHA256 9691fc91b91f01bf3c4ee809236574acaf27908842029182d2690eb3bf47af79
        • MD5 SHA1 SHA512 TLSH

        PINELUMB.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\PINELUMB.HTM
        • Size 606B
        • SHA256 a2a1f85e9a7c60bcd73f6c74d27ac8ce173f607d88b843520581fcce1d129c2b
        • MD5 SHA1 SHA512 TLSH

        SEAMARBL.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\SEAMARBL.HTM
        • Size 615B
        • SHA256 cc569c683b932c9ddafe3d7013a30d09704431446cebb76a613ff7c9881c3353
        • MD5 SHA1 SHA512 TLSH

        TECHTOOL.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\TECHTOOL.HTM
        • Size 590B
        • SHA256 360b89ab91c59fda43e8ff3d9e9197accf51209f29e87a1cca7b453934c52531
        • MD5 SHA1 SHA512 TLSH

        rvhrjtnt.exe

        • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\1033\rvhrjtnt.exe
        • Size 56KB
        • SHA256 e8867de7bcc7fbdd6b0046a1aaaee390dd1756e52bd63e2eb12fabe7c517b5d1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        bkbbtzlb.exe

        • Path C:\Program Files\VideoLAN\VLC\lua\http\bkbbtzlb.exe
        • Size 56KB
        • SHA256 2f5427ed3f157847891402e3f69464d62cd9cc39c21934e9e0e7ecdd6a5b5e2a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mobile.html

        • Path C:\Program Files\VideoLAN\VLC\lua\http\mobile.html
        • Size 5KB
        • SHA256 e4f050fc09989370129abccc9330bf2fb7f8b81e52893e1660e5bf4c75b80c29
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mobile_browse.html

        • Path C:\Program Files\VideoLAN\VLC\lua\http\mobile_browse.html
        • Size 2KB
        • SHA256 49aa2db02258106b31944c25dc6229f72d98b420fd726f0e1ca6e0f1a3818b42
        • MD5 SHA1 SHA512 TLSH

        mobile_equalizer.html

        • Path C:\Program Files\VideoLAN\VLC\lua\http\mobile_equalizer.html
        • Size 2KB
        • SHA256 7955de766a6a7353c2d2636fd0f4329f58c3bf1022752c9f7b0f9e29a184ead6
        • MD5 SHA1 SHA512 TLSH

        mobile_view.html

        • Path C:\Program Files\VideoLAN\VLC\lua\http\mobile_view.html
        • Size 2KB
        • SHA256 bd762b63c95377623c06b19530e7af9c2dd82fabdc363cebcd9f188b0b5e4abb
        • MD5 SHA1 SHA512 TLSH

        urdvxc.exe

        • Path C:\Windows\SysWOW64\urdvxc.exe
        • Size 56KB
        • SHA256 7a663fee18d3d11486a98d97e1a37d7c61e6fd5a2b7fd65884310de289eaede2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/420-77-0x0000000000780000-0x000000000079F000-memory.dmp

        memory/932-3-0x0000000000670000-0x000000000068F000-memory.dmp

        memory/932-2-0x0000000000670000-0x000000000068F000-memory.dmp

        memory/2496-57-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/2496-36-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/2496-67-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/2496-38-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/2496-16-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/2496-39-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/2496-42-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/2496-30-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/2496-34-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/2496-43-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/2496-45-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/2496-887-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/2496-47-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/2496-80-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/2496-49-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/2496-66-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/2496-52-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/2496-35-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/2496-53-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/2496-79-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/2496-75-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/2496-56-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/2496-64-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/2496-61-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/2496-72-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/2496-60-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/2496-70-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/3824-14-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/4332-74-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/4332-0-0x0000000000590000-0x00000000005AF000-memory.dmp

        memory/6008-51-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-29-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-68-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-63-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-69-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-62-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-59-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-58-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-71-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-76-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-55-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-54-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-78-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-50-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-48-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-81-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-82-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-637-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-46-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-44-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-41-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-65-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-28-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-27-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-26-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-25-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-24-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-23-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-22-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-21-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-20-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-19-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-18-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-17-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-13-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-40-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-37-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-12-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-11-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-6-0x00000000005A0000-0x00000000005BF000-memory.dmp

        memory/6008-5-0x00000000005A0000-0x00000000005BF000-memory.dmp