Analysis

  • max time kernel
    91s
  • max time network
    100s
  • 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 23:44

General

  • Target

    MultiMC/jars/JavaCheck.jar

  • Size

    1KB

  • MD5

    a0b69fde80253c8fe9616ead35b6236c

  • SHA1

    cbcb8fcdecbf509f80210ddaed6738ac94ba183f

  • SHA256

    b8a91afe70d3c6aabbba075a0bed9f8f7f2b28ffb2e0b96552b761828e5ed451

  • SHA512

    22fd17c66576fb02bf0b6aea24de2b2d3b6678a6d6d57ce0b47a0df4b2c3c2553d221b01c90f0ba9a9a1e9aa2948a22defb0baa394d69863be4cafe1455b83cf

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\MultiMC\jars\JavaCheck.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1840
    • 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:3592

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

    ef5026b9622aacf63f4935105d8de37c

    SHA1

    d6c7acd13b7890dbeff3b46d465b3c7a402ae098

    SHA256

    9b786bed14d6b1a7a87a6b2e0d11ccaf4c3d0456752abd412dd332d532862a67

    SHA512

    4e19a71e1adc2bee517877c70a4dd03b93caef724e471cf9c6d9804d203de900575277301979da5e66790980adf46879f7eb44b3799d97e81c9b7e49ce6323d8

  • memory/1840-2-0x00000211A7850000-0x00000211A7AC0000-memory.dmp

    Filesize

    2.4MB

  • memory/1840-12-0x00000211A5F60000-0x00000211A5F61000-memory.dmp

    Filesize

    4KB

  • memory/1840-13-0x00000211A7850000-0x00000211A7AC0000-memory.dmp

    Filesize

    2.4MB