Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-08-2024 01:35

General

  • Target

    aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe

  • Size

    5.0MB

  • MD5

    c030180c2ed60f6dd3fabb0705ac6b5f

  • SHA1

    d9449db8b19623345bebccb32b3d2a35baa70f8e

  • SHA256

    aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216

  • SHA512

    23abfc7628315052f597aa4659f621d5ff14c6a27eae2708461fd0725e921201078cf53ffc4e1638ce7a46e5b2fd9817216addff8d72e64eb4d2a986cce149ee

  • SSDEEP

    49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQ:yDqPoBhz1aRxcSUDk

Malware Config

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Contacts a large (3207) 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
  • 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 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
    "C:\Users\Admin\AppData\Local\Temp\aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    PID:4844
    • C:\WINDOWS\tasksche.exe
      C:\WINDOWS\tasksche.exe /i
      2⤵
      • Executes dropped EXE
      PID:3804
  • C:\Users\Admin\AppData\Local\Temp\aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
    C:\Users\Admin\AppData\Local\Temp\aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe -m security
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    PID:2012

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\tasksche.exe

    Filesize

    3.4MB

    MD5

    02f35a4e314a954b11405567d9efb0a6

    SHA1

    412ef7cacc33695ae8ae59074350efa48a491157

    SHA256

    c3642f3e8f163ef7aa384db8e84e42c16c022a550e77b6396818e3b62821e84d

    SHA512

    7dcd7bd220e6e9ec9d90124fa693630b11e9cc465679f36111b7a15714c8391e6699518cfc9474cf4d786d4db76cbe92b62370f91451cbdc9afb976e49363dfe