Analysis

  • max time kernel
    91s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/02/2024, 19:53

General

  • Target

    libraries/commons-io/commons-io/2.4/commons-io-2.4.jar

  • Size

    180KB

  • MD5

    7f97854dc04c119d461fed14f5d8bb96

  • SHA1

    b1b6ea3b7e4aa4f492509a4952029cd8e48019ad

  • SHA256

    cc6a41dc3eaacc9e440a6bd0d2890b20d36b4ee408fe2d67122f328bb6e01581

  • SHA512

    957a438894a196e534af9ae1e61fb21e16f273952b55a81abb8faf0b139fc031ea940cf477f81704db417d1ce6ff2d9ddd4a2cbf316903b0e2dc1aeaef24f292

  • SSDEEP

    3072:pF6mb9NczTyPXoTt75AQ6oBoEfDmwFHb/1Vd23l/ODoxb7DcKK:pYmb9iz2W75JLKEfDmwTVdilnxb7DTK

Score
7/10

Malware Config

Signatures

  • Modifies file permissions 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
    java -jar C:\Users\Admin\AppData\Local\Temp\libraries\commons-io\commons-io\2.4\commons-io-2.4.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4692
    • C:\Windows\system32\icacls.exe
      C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
      2⤵
      • Modifies file permissions
      PID:1708

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

          Filesize

          46B

          MD5

          fab15103d1eed429837a6d425bec0d61

          SHA1

          3ad3cc6c0ea60e3d76a2a121d7efec384839816a

          SHA256

          298f4a7f57c211790857c955476191328c1b0585d3d2b36ac920f2abc02a0517

          SHA512

          e5f5cd3de48f8b743db4b5fed18b17dc243b74523efe98f5e7a4c738f3d25f304f5c1f3e4ce08674d3c12faef45408a7ba7b06cfc9cf5aa8761dd60b4e900a19

        • memory/4692-4-0x000001F8E96D0000-0x000001F8EA6D0000-memory.dmp

          Filesize

          16.0MB

        • memory/4692-12-0x000001F8E96B0000-0x000001F8E96B1000-memory.dmp

          Filesize

          4KB