Analysis

  • max time kernel
    148s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-12-2023 22:15

General

  • Target

    056155b137e1ddc0de9570fbc67198ce.jar

  • Size

    107KB

  • MD5

    056155b137e1ddc0de9570fbc67198ce

  • SHA1

    f3a3e2713659b7f0850dbb3ccd59af14a361e493

  • SHA256

    92eb16844e647e0f054c3a4b18d5dce0017a4baafccc7b8b02f679706ce3cf90

  • SHA512

    03fdb5ba8af6b79246a4febff533a0cc5bb1d12afc36bf04fc89b3eb77594a6e0e1c9ef9064e3facf8996bce00ab1e96a616ba0f103a98f8aa9d7b52c2d31290

  • SSDEEP

    3072:wtKk+eojbO/2IKV5nv6A67yFCM1zm2eY6Oj77Yxg:WKk+eoLVVv6DpFY6Oj7kxg

Score
7/10

Malware Config

Signatures

  • Modifies file permissions 1 TTPs 1 IoCs
  • Drops file in Program Files directory 12 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\056155b137e1ddc0de9570fbc67198ce.jar
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:2712
    • 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:4672

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

    4f4064658b132765a6aee95a464a7c1e

    SHA1

    d55ad2df3aea8e0536e1d9e361845d0b222cbe91

    SHA256

    bd62e241c72ccbb5cc102849b68bd3494f56637a34a0c77696573fbc3e3f9665

    SHA512

    2fe0b26e3daede5429dab8897ec1bb26fad6d2623b2a4cc72dbccf1d6139a9b1dfb4c4690ebe6675e6861b31a8d483b73dbb8f3903ff88c663e3089acfb22e0d

  • memory/2712-4-0x0000020658F90000-0x0000020659F90000-memory.dmp

    Filesize

    16.0MB

  • memory/2712-17-0x0000020659210000-0x0000020659220000-memory.dmp

    Filesize

    64KB

  • memory/2712-15-0x0000020658F90000-0x0000020659F90000-memory.dmp

    Filesize

    16.0MB

  • memory/2712-18-0x0000020658F90000-0x0000020659F90000-memory.dmp

    Filesize

    16.0MB