Analysis

  • max time kernel
    149s
  • max time network
    134s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/07/2026, 00:22

General

  • Target
    2026-07-14_b67d1820f537ae27d0d78ab6ea449fd9_elex_wannacry.exe
  • Size 1.7MB
  • Sample260715-anz3vsgt2r
  • SHA256 b4904c4fbfdd71e213e3c98c432104c23f92fce855f068a79925e9685f811bc1
  • 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\2026-07-14_b67d1820f537ae27d0d78ab6ea449fd9_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-14_b67d1820f537ae27d0d78ab6ea449fd9_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:5052
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1136
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2828
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a4BF3.bat
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1416
    • 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:2764
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4444
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4552
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2656
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4592
  • 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:2736

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RCXE6D5.tmp

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\RCXE6D5.tmp
        • Size 94KB
        • SHA256 ef815e5c2515ca3fae17ff993ba01d4669742f4ee90af18be6ecf4da351233d9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXE947.tmp

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\RCXE947.tmp
        • Size 103KB
        • SHA256 6812d50aec3850193af270464f2b79950d3960037e5375b134df9c8655d6c766
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXE7F8.tmp

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\RCXE7F8.tmp
        • Size 118KB
        • SHA256 76385d8ac03603e12af1c7e9d0df3eed8bf9a0b6cd9eaac2c71481f61bd293d4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXEAE1.tmp

        • Path C:\Program Files (x86)\Mozilla Maintenance Service\RCXEAE1.tmp
        • Size 100KB
        • SHA256 5d833741eefd0cbf607b9d48af9fed37dff86c9dedb80472ec0d80f6c7b2ef44
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXD970.tmp

        • Path C:\Program Files\7-Zip\RCXD970.tmp
        • Size 91KB
        • SHA256 eddb405e5bf9b4013a91b699fd3c577dbbd790d589974fc122680c3da131ed59
        • MD5 SHA1 SHA512 SSDEEP TLSH

        javaw.exe.Exe

        • Path C:\Program Files\Java\jdk-1.8\bin\javaw.exe.Exe
        • Size 377KB
        • SHA256 700c69d634cabc1d9ef3bec9178c1c1d150ea159147556dc43785f1867bddf2d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OfficeClickToRun.exe.Exe

        • Path C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe.Exe
        • Size 4.3MB
        • SHA256 9ef1c298bfc5faa680abff8301aa313bf059bc6e3759fe73b6dbf862257cf19b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXDE4E.tmp

        • Path C:\Program Files\Mozilla Firefox\RCXDE4E.tmp
        • Size 91KB
        • SHA256 dcb25691069045854e8cfa1478c2b86b14db7628faeb53350ca524e78f8a9be5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setup.exe.Exe

        • Path C:\ProgramData\Adobe\Setup\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\setup.exe.Exe
        • Size 545KB
        • SHA256 43387f29be812cdcd617761790b37f5e2d82955de4c91494f6b552e74151db12
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXF061.tmp

        • Path C:\ProgramData\Package Cache\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\RCXF061.tmp
        • Size 92KB
        • SHA256 bec1eeac7f6b8fee890de7c7c735281ab7c863380fef39247ddffe709dc0a38b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$a4BF3.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a4BF3.bat
        • Size 680B
        • SHA256 390fd6ed609da80c79e6c19d146c6f51045f561740db445d0599d354370c49d5
        • MD5 SHA1 SHA512 TLSH

        2026-07-14_b67d1820f537ae27d0d78ab6ea449fd9_elex_wannacry.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-07-14_b67d1820f537ae27d0d78ab6ea449fd9_elex_wannacry.exe.exe
        • Size 1.7MB
        • SHA256 1d814ff9d14a918e9ad884cc10c9ae13d43de8425ec2f7e16ac354565e370cc3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 93KB
        • SHA256 759d305d812fb2b50cc120ae8582d767caf9071f4a018192418bf1faf5a603e0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        hosts

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

        memory/2736-17-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/2764-20-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/2764-1141-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/2764-1262-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/5052-10-0x0000000000400000-0x0000000000429000-memory.dmp