Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-07-2024 09:21

General

  • Target

    2024070300a59dcbaba9677921dca2be0a253e53wannacry.exe

  • Size

    3.6MB

  • MD5

    00a59dcbaba9677921dca2be0a253e53

  • SHA1

    c508c275957ba4c5cbae3388ce00828ada7fa665

  • SHA256

    0734d5ab03a578e39f01af947cec5f76bdd3f491c64bfe7f1b83aec2afc36fd9

  • SHA512

    27e2a14b19bf8ce9ec41c879dff67b8cd006fcfe38bb5b16bfabc0de7c67f7b669a919da1749d42d0c31bdf1ca44fe3b27975b3f7d8f6d93bc1447f201b12651

  • SSDEEP

    98304:XDaiEkmnft4PdpR2j50Aj4Ouenmur2uuhQ2HI:XDa6mnft4FpR2j50AjKem/uuh/HI

Malware Config

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Contacts a large (3270) 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 Windows directory 1 IoCs
  • Program crash 1 IoCs
  • Modifies data under HKEY_USERS 5 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024070300a59dcbaba9677921dca2be0a253e53wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2024070300a59dcbaba9677921dca2be0a253e53wannacry.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2332
    • C:\WINDOWS\tasksche.exe
      C:\WINDOWS\tasksche.exe /i
      2⤵
      • Executes dropped EXE
      PID:1924
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1924 -s 216
        3⤵
        • Program crash
        PID:228
  • C:\Users\Admin\AppData\Local\Temp\2024070300a59dcbaba9677921dca2be0a253e53wannacry.exe
    C:\Users\Admin\AppData\Local\Temp\2024070300a59dcbaba9677921dca2be0a253e53wannacry.exe -m security
    1⤵
    • Modifies data under HKEY_USERS
    PID:2040
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1924 -ip 1924
    1⤵
      PID:2892
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4124,i,6166776566165096562,4582328833313060853,262144 --variations-seed-version --mojo-platform-channel-handle=4172 /prefetch:8
      1⤵
        PID:4092

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\tasksche.exe

        Filesize

        3.4MB

        MD5

        e53487c3c1e2a53505ebca2d83f3197c

        SHA1

        8906fcfd139586798d7f34d1fd6804deedb844ec

        SHA256

        6462ec0f6f1253cc7544050a3fdba8db8c6fc66cd31aa0d785163fb7c01ee4a7

        SHA512

        36486b0c507c0bb8acc785bbcac7e6c23d1eabb234de50cebfc422385650848aa57b7bf4a482aea0db72348b9abf0e743faf1c0442ee76414e1ede495a5c7762