Analysis

  • max time kernel
    151s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2024 03:07

General

  • Target

    2024-10-12_20bd3e7e869b9887978a5475697a0d0a_wannacry.exe

  • Size

    3.6MB

  • MD5

    20bd3e7e869b9887978a5475697a0d0a

  • SHA1

    f155c00ac92618e62144274a4970dbe026cbffe6

  • SHA256

    9fda812592e944f2d9a49e2502a161063649b20bbe0593153cc9da3b48db67df

  • SHA512

    5ca2945c2500d9b97e79e254a49d9fa11da877fb994dc4b199f1f0db4b4a3a30bb56ffe757e0f6bcbd02af659d8463aa960613c086fb0a27e0c6f6de499a9f92

  • SSDEEP

    49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA:yDqPoBhz1aRxcSUDk36SA

Malware Config

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Contacts a large (3275) amount of remote hosts 1 TTPs

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

  • Executes dropped EXE 1 IoCs
  • Creates a large amount of network flows 1 TTPs

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

  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-12_20bd3e7e869b9887978a5475697a0d0a_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-12_20bd3e7e869b9887978a5475697a0d0a_wannacry.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    PID:2332
    • C:\WINDOWS\tasksche.exe
      C:\WINDOWS\tasksche.exe /i
      2⤵
      • Executes dropped EXE
      PID:2140
  • C:\Users\Admin\AppData\Local\Temp\2024-10-12_20bd3e7e869b9887978a5475697a0d0a_wannacry.exe
    C:\Users\Admin\AppData\Local\Temp\2024-10-12_20bd3e7e869b9887978a5475697a0d0a_wannacry.exe -m security
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    PID:1408

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\tasksche.exe

    Filesize

    3.4MB

    MD5

    190e746ac10f3a30f512f5620be1e691

    SHA1

    38a130c0d5da99fb7eb40b4f02e168cb7ad0ce63

    SHA256

    641a73a396dfe11d24b8dd2b8fb3897cc0396c299247de04de3079b9bf64ce95

    SHA512

    eeb2cd58c22d6d6c50f280bb7106980e114cb6673bfead2854bfcd6e9a9c3f463f7e76d66820246329634090124c2bcf6865d5c210bcd461320474c1947597c4