Analysis

  • max time kernel
    149s
  • max time network
    158s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    23/05/2026, 01:57

General

  • Target
    2026-05-23_205d8d79b80c2b18ff8433011a2ff1f0_cobalt-strike_elex_wannacry_zxshell.exe
  • Size 324KB
  • Sample260523-cdrpvac16v
  • SHA256 1e25b17ac686f337d6187e91a985dbffcc3a9bcbac96088eb0870e5a39f5c822
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Drops file in System32 directory 4 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.

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-23_205d8d79b80c2b18ff8433011a2ff1f0_cobalt-strike_elex_wannacry_zxshell.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-23_205d8d79b80c2b18ff8433011a2ff1f0_cobalt-strike_elex_wannacry_zxshell.exe"
    1⤵
    • Server Software Component: Terminal Services DLL
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    PID:2424
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "shvc2"
    1⤵
      PID:4412
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "shvc2"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3712
      • C:\Windows\SysWOW64\shvc2.exe
        C:\Windows\system32\shvc2.exe "c:\windows\system32\240650078.dll",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5256
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k "shvc2"
      1⤵
        PID:5308

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            240650078.dll

            • Path C:\Windows\SysWOW64\240650078.dll
            • Size 32KB
            • SHA256 efbc8749b8508ac0508a8cbda98f9ea16f06e1226b174a4da6e63eaac0d63392
            • MD5 SHA1 SHA512 SSDEEP TLSH

            shvc2.exe

            • Path C:\Windows\SysWOW64\shvc2.exe
            • Size 40KB
            • SHA256 8dcaeeebef9b9f3d41d295db145ffb3850f309d089c08125c7fa7034db5fd80e
            • MD5 SHA1 SHA512 SSDEEP TLSH