Analysis

  • max time kernel
    444s
  • max time network
    1163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 22:54

General

  • Target

    ctjs-2.2.0-1.8.9.jar

  • Size

    3.9MB

  • MD5

    c1c9dc0c562a8ea027166f1efcd85b24

  • SHA1

    691cd64f30def1c5573e4ee67a7b9914700454ea

  • SHA256

    3b077d3e99eb714d13e76826d75929807e8ab582023c59bc405d4bad67193254

  • SHA512

    7688bc0cda041f38d19e8dd02ecd50db8ecd3f7cbfeba800fbcf20814179eef457903d242b1c804bd2cae00a5b217a3566aeafdaffa12c97023d8fc167c5ed30

  • SSDEEP

    98304:373kvjlv6LdoC8UZK0LqyIRX9lK0K2E6mqLp5anIB:Lk6LFPARNl7xE6pL3Co

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\ctjs-2.2.0-1.8.9.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3260
    • 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:3268

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

    a39c23ffcd563147d036974747034fbd

    SHA1

    faf812d8116a522a659f89f809cffc6b1260f562

    SHA256

    7fc5184196f46e02a55fa0186dd780baeb26b5193f726b29a1afc96a657b90e2

    SHA512

    6af0e0b044c773aed3da66e8d6841ec1fe203e9ce30baae297641ae948f881005b9301d4eb051451be43809f07c0a6d0f9e9b55383cdb41da4aa3e71138fd75c

  • memory/3260-2-0x000001EE00000000-0x000001EE00270000-memory.dmp

    Filesize

    2.4MB

  • memory/3260-12-0x000001EE72AA0000-0x000001EE72AA1000-memory.dmp

    Filesize

    4KB

  • memory/3260-13-0x000001EE00000000-0x000001EE00270000-memory.dmp

    Filesize

    2.4MB