Analysis

  • max time kernel
    141s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    02-05-2024 13:25

General

  • Target

    lib/gson.jar

  • Size

    226KB

  • MD5

    5134a2350f58890ffb9db0b40047195d

  • SHA1

    751f548c85fa49f330cecbb1875893f971b33c4e

  • SHA256

    2d43eb5ea9e133d2ee2405cc14f5ee08951b8361302fdd93494a3a997b508d32

  • SHA512

    c3cdaf66a99e6336abc80ff23374f6b62ac95ab2ae874c9075805e91d849b18e3f620cc202b4978fc92b73d98de96089c8714b1dd096b2ae1958cfa085715f7a

  • SSDEEP

    3072:2DiL6hR+wm60gqZjJhqo2M04r7bv1XMrMxw1rl1rwj+Bmd6dYBmkW1eIjEmFdbl6:bq0jSi2Qi1B1Cay6dYBUwmPxLe3

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\lib\gson.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4936
    • 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:1464

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    46B

    MD5

    4f611bcb937a774991fda7433de4ea8c

    SHA1

    e408c24b9cc18d05b3e4c7431df364780a649e5b

    SHA256

    951902425701564dc5037b90a5bf57b287027c30e6e2c8b8688013f62f2f543b

    SHA512

    d299a60efd47056a053105e6e170c46973b628daae62b25d9b41b4d50f93d7723ca87d07f22aa55ef44f9dd017b8d398c2909ae3a11222fbe8d15d4ec927de90

  • memory/4936-2-0x0000021AE65A0000-0x0000021AE6810000-memory.dmp

    Filesize

    2.4MB

  • memory/4936-12-0x0000021AE4CA0000-0x0000021AE4CA1000-memory.dmp

    Filesize

    4KB

  • memory/4936-13-0x0000021AE65A0000-0x0000021AE6810000-memory.dmp

    Filesize

    2.4MB