Analysis

  • max time kernel
    150s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    28/05/2026, 16:53

General

  • Target
    2026-05-28_261c94bf2865c2f21afea0c3a3ed9d28_elex_wannacry.exe
  • Size 116KB
  • Sample260528-vd8bpsfw9m
  • SHA256 bfdefbf3c7190746817ad925142d34e68b30aeff60d13fc23cae676b6f6fe2f3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Renames multiple (258) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Drops file in Drivers directory 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-28_261c94bf2865c2f21afea0c3a3ed9d28_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-28_261c94bf2865c2f21afea0c3a3ed9d28_elex_wannacry.exe"
    1⤵
    • Drops file in Drivers directory
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3000
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4356
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4348
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a390C.bat
      2⤵
      • System Location Discovery: System Language Discovery
      PID:596
    • C:\Windows\Logo1_.exe
      C:\Windows\Logo1_.exe
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1344
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2696
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1988
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4488
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:792
  • C:\Windows\uninstall\rundl132.exe
    C:\Windows\uninstall\rundl132.exe
    1⤵
    • Drops file in Drivers directory
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3056

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RCXD3CC.tmp

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RCXD3CC.tmp
        • Size 156KB
        • SHA256 431191d3a03afafcb8063f1816c74ff453ee543ab025e525403053e88881e036
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXD63F.tmp

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\RCXD63F.tmp
        • Size 94KB
        • SHA256 10318034b0bdc823dfd70ca6a9521e4ce5d0a365ff5e364d071687077aab67ed
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXD79D.tmp

        • Path C:\Program Files (x86)\Google\Update\RCXD79D.tmp
        • Size 91KB
        • SHA256 aaa907532b4823deae5cf12b8ba866b30049dceb90aefc96ef0ef498b5a6207f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedgewebview2.exe.Exe

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\msedgewebview2.exe.Exe
        • Size 3.3MB
        • SHA256 98f325d4a499d755b4d23166aad124b1e3309a103370604b64f6370ba2c9ffca
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXD83E.tmp

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\RCXD83E.tmp
        • Size 118KB
        • SHA256 c7cde2ee9ebc0ea67c0d277b8ec372d76531662fab4c9c811d968fd4af254c68
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXDC01.tmp

        • Path C:\Program Files (x86)\Mozilla Maintenance Service\RCXDC01.tmp
        • Size 100KB
        • SHA256 6e92d21f20e9bdee4275abb779e287b1bd5bc00407602cf1196041697a734fd7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXC6C8.tmp

        • Path C:\Program Files\7-Zip\RCXC6C8.tmp
        • Size 91KB
        • SHA256 096f8962e11e660216bdb4ab4464a09d8d81bb6313fa234aa34954cf7e64f3b7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXC8A3.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCXC8A3.tmp
        • Size 92KB
        • SHA256 382281fb3951695427812f7535283d42d0727d1b0e00b197545f5f6bc480363e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXCC03.tmp

        • Path C:\Program Files\Mozilla Firefox\RCXCC03.tmp
        • Size 91KB
        • SHA256 32965660bf44ffc1835326df14da2cd26658e32803fc68f72f51f77be72ab74d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXE048.tmp

        • Path C:\ProgramData\Adobe\Setup\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\RCXE048.tmp
        • Size 92KB
        • SHA256 adfaa8976b762acf566cba48ba46f32f5a14a6d955d4b91916d6efe7793f7991
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$a390C.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a390C.bat
        • Size 680B
        • SHA256 69abeca4ef233e569bdcc8cfee62e22e928bbd7e17b7d2df3251936d67dc9649
        • MD5 SHA1 SHA512 TLSH

        2026-05-28_261c94bf2865c2f21afea0c3a3ed9d28_elex_wannacry.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-05-28_261c94bf2865c2f21afea0c3a3ed9d28_elex_wannacry.exe.exe
        • Size 23KB
        • SHA256 f953d7869a18de299f40756e92e30ae31e65dbfbc716add7b42e7a00916c677a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 93KB
        • SHA256 21a91ca15f7914e1308146165387299bbdafe12f4f48ed919b374f3d0612c939
        • MD5 SHA1 SHA512 SSDEEP TLSH

        hosts

        • Path C:\Windows\system32\drivers\etc\hosts
        • Size 842B
        • SHA256 d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e
        • MD5 SHA1 SHA512 TLSH

        memory/1344-18-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/1344-877-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/1344-1260-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/3000-8-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/3056-15-0x0000000000400000-0x0000000000429000-memory.dmp