Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    09-03-2024 10:51

General

  • Target

    lib/slf4j-simple.jar

  • Size

    14KB

  • MD5

    722bb90689aecc523e3fe317e1f0984b

  • SHA1

    8dacf9514f0c707cbbcdd6fd699e8940d42fb54e

  • SHA256

    0966e86fffa5be52d3d9e7b89dd674d98a03eed0a454fbaf7c1bd9493bd9d874

  • SHA512

    d5effbfa105bcd615e56ef983075c9ef0f52bcfdbefa3ce8cea9550f25b859e48b32f2ec9aa7a305c6611a3be5e0cde0d269588d9c2897ca987359b77213331d

  • SSDEEP

    192:wyBOIrDL/vJ0RWNML2NyWKr362ByOikGnqO5Vyb3Uab+UtJIdgihtqSXs:wyBnxxMLg7KrqU7Gnqrb3lhtuF/qS8

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\slf4j-simple.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3756
    • 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:4160

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

    59de6d06290c96598ff4f400f40b8703

    SHA1

    ec8f8cbf30175d315b079e9bdae5d44ca07a17bb

    SHA256

    165cc5c56ff2dfba96c095012db74a006249bba4790760ce070e3893452f90e3

    SHA512

    cb82790b9f7c82e4e5ddf4364120a959ad22bded7819f0d47cf7b9cf35942187e29a1f6d16c1fc9e80068dab199c0efe68acbf94f71bd39d31f6c46051964222

  • memory/3756-6-0x0000016F59E50000-0x0000016F5AE50000-memory.dmp

    Filesize

    16.0MB

  • memory/3756-11-0x0000016F59E30000-0x0000016F59E31000-memory.dmp

    Filesize

    4KB

  • memory/3756-13-0x0000016F59E50000-0x0000016F5AE50000-memory.dmp

    Filesize

    16.0MB