Analysis

  • max time kernel
    150s
  • max time network
    152s
  • 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-jpb7vsas5j
  • SHA256 976cfd8f7660af96e9ddfad4c9e9dcbc88493580e59adaa8299ddfff87def4fd
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Contacts a large (1050) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • 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:5460
    • 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:1180
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /start
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:4660
    • 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:5600
  • 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:4664
  • 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:5564

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        ltsbrnkb.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\ltsbrnkb.exe
        • Size 56KB
        • SHA256 7a0aa768770909e7ad6fadfecbb4fc3d756079ef8ff0385e1de5c2c898d0742c
        • 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

        PersonaSpy.html

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

        tsbknceh.exe

        • Path C:\Program Files\Microsoft Office\root\Office16\PersonaSpy\tsbknceh.exe
        • Size 56KB
        • SHA256 d16e847c99b34d3e342082b2548939acc8ad2fe3c084ee4aabed35bfc20b5866
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CURRENCY.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\CURRENCY.HTM
        • Size 653B
        • SHA256 4712887c2212e13c0088b0554b463f4bfd24bff60a8780947d30cd2399994815
        • MD5 SHA1 SHA512 TLSH

        DADSHIRT.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\DADSHIRT.HTM
        • Size 587B
        • SHA256 2301731ea018f36781ad65f04042408f60b555ebdeb6e29e7471f7649f4cbb84
        • MD5 SHA1 SHA512 TLSH

        JUDGESCH.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\JUDGESCH.HTM
        • Size 622B
        • SHA256 edb71d4f4ae5fae9f4a186a7e6b1e1e10fe076b4fdc009a023bdafb85b6c56ff
        • 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 599B
        • SHA256 7c4bf0c6e7ee3c2e6e9b0a6cdadb01acbd5803e17b4035d3630e8dc64bd39cec
        • MD5 SHA1 SHA512 TLSH

        OFFISUPP.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\OFFISUPP.HTM
        • Size 582B
        • SHA256 4c7c74cc7c2d37674fe2d1415f92af87ab7220a7dfdebce044d1191403c6b494
        • MD5 SHA1 SHA512 TLSH

        PAWPRINT.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\PAWPRINT.HTM
        • Size 582B
        • SHA256 4e5c7f77a4d672b5a48c73d9b41cc0070f4764f574ffec3b377e88a32aa7df86
        • MD5 SHA1 SHA512 TLSH

        PINELUMB.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\PINELUMB.HTM
        • Size 595B
        • SHA256 93e8c03f308f582d199de6f3e571349ca6ee7afd04df7b7e5f3b08197a778dd2
        • MD5 SHA1 SHA512 TLSH

        SEAMARBL.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\SEAMARBL.HTM
        • Size 615B
        • SHA256 ad570909b3e21b37feaf789be9f6466541b263961a00797afe6589f4b72a3689
        • MD5 SHA1 SHA512 TLSH

        TECHTOOL.HTM

        • Path C:\Program Files\Microsoft Office\root\Stationery\1033\TECHTOOL.HTM
        • Size 590B
        • SHA256 ce16ff5b9ddcf9908f75e6154f3946fa6c6b23492288c47fbe5da158155c2221
        • 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

        index.html

        • Path C:\Program Files\VideoLAN\VLC\lua\http\index.html
        • Size 15KB
        • SHA256 3e24b189194cc434f7df8b3b79e01756623ec4b6ef0c6997b69d2e4b7bd62869
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mobile.html

        • Path C:\Program Files\VideoLAN\VLC\lua\http\mobile.html
        • Size 5KB
        • SHA256 6c8175fc67981254bb7807e14ca2f1b3087d616bdf6a5291e5f1e8303a5636f8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mobile_browse.html

        • Path C:\Program Files\VideoLAN\VLC\lua\http\mobile_browse.html
        • Size 2KB
        • SHA256 be2444da786629081d966e76943b2ff1aa4e38e21b8410acde01230bac9271cc
        • MD5 SHA1 SHA512 TLSH

        mobile_equalizer.html

        • Path C:\Program Files\VideoLAN\VLC\lua\http\mobile_equalizer.html
        • Size 2KB
        • SHA256 6e8ad49268294d948c65b504df57c03ca90c982b8631791a50bb9d7dff585fe4
        • MD5 SHA1 SHA512 TLSH

        mobile_view.html

        • Path C:\Program Files\VideoLAN\VLC\lua\http\mobile_view.html
        • Size 2KB
        • SHA256 386d7e02d684f5f31b3611076cf979cbd293793a4a8400e1d5d431061b87c4ad
        • MD5 SHA1 SHA512 TLSH

        urdvxc.exe

        • Path C:\Windows\SysWOW64\urdvxc.exe
        • Size 56KB
        • SHA256 976cfd8f7660af96e9ddfad4c9e9dcbc88493580e59adaa8299ddfff87def4fd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1180-3-0x0000000000670000-0x000000000068F000-memory.dmp

        memory/1180-2-0x0000000000670000-0x000000000068F000-memory.dmp

        memory/4660-15-0x0000000000670000-0x000000000068F000-memory.dmp

        memory/4664-58-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-29-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-5-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-10-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-12-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-41-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-13-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-43-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-6-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-14-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-45-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-46-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-16-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-19-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-48-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-50-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-20-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-53-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-21-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-22-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-54-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-23-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-57-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-24-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-25-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-61-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-26-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-62-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-27-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-28-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-65-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-66-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-32-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-30-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-69-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-70-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-31-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-73-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-523-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-80-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-74-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/4664-79-0x0000000000680000-0x000000000069F000-memory.dmp

        memory/5460-77-0x0000000000770000-0x000000000078F000-memory.dmp

        memory/5460-0-0x0000000000770000-0x000000000078F000-memory.dmp

        memory/5564-59-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/5564-37-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/5564-75-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/5564-72-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/5564-572-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/5564-33-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/5564-71-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/5564-68-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/5564-67-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/5564-64-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/5564-63-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/5564-56-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/5564-39-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/5564-81-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/5564-60-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/5564-55-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/5564-52-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/5564-51-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/5564-49-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/5564-18-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/5564-47-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/5564-44-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/5564-42-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/5564-40-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/5564-78-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/5564-38-0x0000000000580000-0x000000000059F000-memory.dmp

        memory/5600-82-0x0000000000770000-0x000000000078F000-memory.dmp