Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2024, 04:42

General

  • Target
    2024-10-12_9f247f3349495b5ffa503274f2a69293_wannacry.exe
  • Size 3.8MB
  • Sample241012-fb4heaycjp
  • SHA256 207dd171e1b55d723f7b988d0595b8baaea2ced19bdd5c66a48de8f510e6b35a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Contacts a large (2443) amount of remote hosts 1 TTPs

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

  • Drops file in Drivers directory 2 IoCs
  • ASPack v2.12-2.42 3 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 IoCs
  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 12 IoCs
  • Drops file in Windows directory 12 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Modifies data under HKEY_USERS 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-12_9f247f3349495b5ffa503274f2a69293_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-12_9f247f3349495b5ffa503274f2a69293_wannacry.exe"
    1⤵
    • Drops file in Drivers directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1928
    • C:\Windows\CTFMON.EXE
      C:\Windows\CTFMON.EXE
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:4200
    • C:\WINDOWS\tasksche.exe
      C:\WINDOWS\tasksche.exe /i
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      PID:3844
  • C:\Users\Admin\AppData\Local\Temp\2024-10-12_9f247f3349495b5ffa503274f2a69293_wannacry.exe
    C:\Users\Admin\AppData\Local\Temp\2024-10-12_9f247f3349495b5ffa503274f2a69293_wannacry.exe -m security
    1⤵
    • Drops file in Drivers directory
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    PID:1832

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        wctBDD1.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\wctBDD1.tmp
        • Size 40.4MB
        • SHA256 3c60d9bedf60d07c6576041b46094cb804c7a5f478c2915f5105db78ccbfe4b3
        • MD5 SHA1 SHA512 SSDEEP

        CTFMON.EXE

        • Path C:\Windows\CTFMON.EXE
        • Size 255KB
        • SHA256 5718f52655689f2b8189a937713dabcb5336bff503e069ee542579b3a8862099
        • MD5 SHA1 SHA512 SSDEEP

        npf.sys

        • Path C:\Windows\SysWOW64\drivers\npf.sys
        • Size 29KB
        • SHA256 fac5bcebde87a261b4fb5a110765e53c96f0ef27b24ca94762f2c2ddb4da4204
        • MD5 SHA1 SHA512 SSDEEP

        packet.dll

        • Path C:\Windows\packet.dll
        • Size 32KB
        • SHA256 a68c877cd9c7562c66c722b4d0cd9fa366c65465d4c47ab63bf28bd5f1a69bcc
        • MD5 SHA1 SHA512 SSDEEP

        pthreadvc.dll

        • Path C:\Windows\pthreadvc.dll
        • Size 24KB
        • SHA256 2bd8d9dd8739e17828f8a87b73d592d4fd17988bbb0ea4a4d4cbda57129e8e48
        • MD5 SHA1 SHA512 SSDEEP

        tasksche.exe

        • Path C:\Windows\tasksche.exe
        • Size 2.0MB
        • SHA256 ea2ad4d3bb98673b88e18eea1bf06c371c206b64246a9193b2a64ba4fe4f4900
        • MD5 SHA1 SHA512 SSDEEP

        wpcap.dll

        • Path C:\Windows\wpcap.dll
        • Size 117KB
        • SHA256 afe533c6990520d49a4963bb9ce6d563b02d7b299ff4a9c9e4bca31ca6920deb
        • MD5 SHA1 SHA512 SSDEEP

        memory/1832-56-0x0000000000400000-0x0000000000AA7000-memory.dmp

        memory/1832-61-0x0000000000400000-0x0000000000AA7000-memory.dmp

        memory/1832-91-0x0000000000400000-0x0000000000AA7000-memory.dmp

        memory/1832-86-0x0000000000400000-0x0000000000AA7000-memory.dmp

        memory/1832-81-0x0000000000400000-0x0000000000AA7000-memory.dmp

        memory/1832-71-0x0000000000400000-0x0000000000AA7000-memory.dmp

        memory/1832-66-0x0000000000400000-0x0000000000AA7000-memory.dmp

        memory/1832-41-0x0000000000400000-0x0000000000AA7000-memory.dmp

        memory/1928-24-0x0000000000400000-0x0000000000AA7000-memory.dmp

        memory/1928-49-0x0000000000400000-0x0000000000AA7000-memory.dmp

        memory/1928-0-0x0000000000400000-0x0000000000AA7000-memory.dmp

        memory/1928-34-0x0000000000400000-0x0000000000AA7000-memory.dmp

        memory/4200-10-0x0000000000400000-0x000000000048F000-memory.dmp

        memory/4200-23-0x00000000005C0000-0x00000000005D0000-memory.dmp

        memory/4200-19-0x0000000002170000-0x00000000021AE000-memory.dmp

        memory/4200-25-0x0000000000400000-0x000000000048F000-memory.dmp

        memory/4200-27-0x0000000002170000-0x00000000021AE000-memory.dmp

        memory/4200-15-0x0000000010000000-0x0000000010012000-memory.dmp