Analysis

  • max time kernel
    128s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/02/2024, 12:15

General

  • Target
    a3c158be8374abd88fa2017ed42b1993.jar
  • Size 79KB
  • Sample240225-pe82qsbb74
  • SHA256 541593de78f03a5c0fe6aa5146148b320daa1582e1940d8f53530daa9d839a18
  • MD5 SHA1 SHA512 SSDEEP
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\a3c158be8374abd88fa2017ed42b1993.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:660
    • 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:4788

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        3903daac9bc4a3b7.timestamp

        • Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
        • Size 46B
        • SHA256 a0a056bfb655503b9d58d7170de700943238eb6f8ca9e28b4d8525d841d2ecb7
        • MD5 SHA1 SHA512

        memory/660-47-0x0000020E49C80000-0x0000020E49C81000-memory.dmp

        memory/660-62-0x0000020E49C80000-0x0000020E49C81000-memory.dmp

        memory/660-16-0x0000020E4B450000-0x0000020E4C450000-memory.dmp

        memory/660-26-0x0000020E49C80000-0x0000020E49C81000-memory.dmp

        memory/660-28-0x0000020E4B450000-0x0000020E4C450000-memory.dmp

        memory/660-32-0x0000020E49C80000-0x0000020E49C81000-memory.dmp

        memory/660-37-0x0000020E4B450000-0x0000020E4C450000-memory.dmp

        memory/660-45-0x0000020E4B450000-0x0000020E4C450000-memory.dmp

        memory/660-46-0x0000020E49C80000-0x0000020E49C81000-memory.dmp

        memory/660-4-0x0000020E4B450000-0x0000020E4C450000-memory.dmp

        memory/660-18-0x0000020E49C80000-0x0000020E49C81000-memory.dmp

        memory/660-64-0x0000020E49C80000-0x0000020E49C81000-memory.dmp

        memory/660-50-0x0000020E4B450000-0x0000020E4C450000-memory.dmp

        memory/660-83-0x0000020E49C80000-0x0000020E49C81000-memory.dmp

        memory/660-96-0x0000020E4B450000-0x0000020E4C450000-memory.dmp

        memory/660-106-0x0000020E4B450000-0x0000020E4C450000-memory.dmp

        memory/660-110-0x0000020E4B450000-0x0000020E4C450000-memory.dmp

        memory/660-113-0x0000020E4B450000-0x0000020E4C450000-memory.dmp

        memory/660-116-0x0000020E4B450000-0x0000020E4C450000-memory.dmp

        memory/660-120-0x0000020E4B450000-0x0000020E4C450000-memory.dmp

        memory/660-122-0x0000020E4B450000-0x0000020E4C450000-memory.dmp