Analysis

  • max time kernel
    53s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10-20220331-en
  • submitted
    14-04-2022 10:57

General

  • Target

    aa9db27b2063f5aee9f97d7d86b883686f51bd030d0b38d6daaed3629a230a7d.exe

  • Size

    271KB

  • MD5

    f9a20cce97d6efd9e8d071420a8858b7

  • SHA1

    17680094e9bdefe2f5205729f2b55be2ffca81fa

  • SHA256

    aa9db27b2063f5aee9f97d7d86b883686f51bd030d0b38d6daaed3629a230a7d

  • SHA512

    fb9055d9f19788e0c2d25f3f400165b630ef6f62604d6ee6a764c7a57f5f115737db4187be30641bca16af11d84d3afdde73b0790f5d43f682e10439ed7a1026

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aa9db27b2063f5aee9f97d7d86b883686f51bd030d0b38d6daaed3629a230a7d.exe
    "C:\Users\Admin\AppData\Local\Temp\aa9db27b2063f5aee9f97d7d86b883686f51bd030d0b38d6daaed3629a230a7d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Users\Admin\AppData\Local\Temp\vvywdeos.exe
      C:\Users\Admin\AppData\Local\Temp\vvywdeos.exe C:\Users\Admin\AppData\Local\Temp\pkjant
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2232
      • C:\Users\Admin\AppData\Local\Temp\vvywdeos.exe
        C:\Users\Admin\AppData\Local\Temp\vvywdeos.exe C:\Users\Admin\AppData\Local\Temp\pkjant
        3⤵
          PID:3988

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\45s2zanww2v1sy0

      Filesize

      213KB

      MD5

      024f5eb96b56308cfb64fe436e8de447

      SHA1

      307585696be6985d5b7a3289dd4845f534868483

      SHA256

      926d2ab16139435d5fda9b2badafb9d5eefb606faf59cd1c7b44a282a22feefb

      SHA512

      e9754c234a15449ccc1e0d2f72c6a7cc63ef4887c2a5c8a93ab83905e42f3d85e77a1efe6b3e032e8b7d531a722c3b7da62349faf7921539947dd8e117bc650d

    • C:\Users\Admin\AppData\Local\Temp\pkjant

      Filesize

      4KB

      MD5

      35ba5cfdc4921d469e0f0959c2827785

      SHA1

      7295bd83ae1c581099495ec9d8fd9f9b62a97657

      SHA256

      c3a8511a37564f699ee8c9ec8340f73790bf81e55f3327f4d787b13dc333e013

      SHA512

      28be15b241179899df176541c469d49cd555e73871ee515bd2d931370fe416b8ad9b3464cfcb741156af126bcc1cdb9f5b5320671c16ffb1a25876d14952d4dd

    • C:\Users\Admin\AppData\Local\Temp\vvywdeos.exe

      Filesize

      70KB

      MD5

      f357de702f7b08ff1b60c2ca5bbdafa2

      SHA1

      bc9e18bfbb4a9ce14351dfdffc3f57d22b40831a

      SHA256

      9b4b5b5048151f723ca57f67e9107e24c844f1be62b977efaeabedb5d620eaf5

      SHA512

      9b096e239c01f7bf7c946719deb3cadaf206ebd29530cf425a885e7351286b5f010b3fb66a3d55cef5200f2504ef76648789ec95a4935a6ea59a8f51280484d8

    • C:\Users\Admin\AppData\Local\Temp\vvywdeos.exe

      Filesize

      70KB

      MD5

      f357de702f7b08ff1b60c2ca5bbdafa2

      SHA1

      bc9e18bfbb4a9ce14351dfdffc3f57d22b40831a

      SHA256

      9b4b5b5048151f723ca57f67e9107e24c844f1be62b977efaeabedb5d620eaf5

      SHA512

      9b096e239c01f7bf7c946719deb3cadaf206ebd29530cf425a885e7351286b5f010b3fb66a3d55cef5200f2504ef76648789ec95a4935a6ea59a8f51280484d8

    • memory/2232-121-0x00000000003D0000-0x00000000003F4000-memory.dmp

      Filesize

      144KB