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Analysis

  • max time kernel
    93s
  • 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
    26/05/2024, 02:55

General

  • Target

    741e97dd2501422eee2aab51214e022f_JaffaCakes118.jar

  • Size

    5KB

  • MD5

    741e97dd2501422eee2aab51214e022f

  • SHA1

    563d269eb08d177654e209287f20cea9287336e4

  • SHA256

    d0af1675a786329b9011a1230b63fcb887636df4892043daf9a91261f01d0b89

  • SHA512

    0d06c27fa259fdd327ed3e92b061d180b394cb483f0c0740fc14facf17e897c598c24ceb4c50a0ce657aa06df7784ddb47c05b83e72224339da7fa97de4bdc07

  • SSDEEP

    96:9nAB1H2gQtJldmgYCwPVsMjTzUt0tpS+YlO+0NqURqMQHgbL/FYY5ujL4:pABEttiCwPpzs0HSfo+CqU8AbL/GKA0

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\741e97dd2501422eee2aab51214e022f_JaffaCakes118.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2540
    • 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:3808

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

    0626dbb24fd81a86bcd8afa16a5b3d71

    SHA1

    800ab6070d69e493ae792ac48e8a242c04b03ad9

    SHA256

    36e4813834da57c9613f43bb342c69d1171fdf82908e4f0ff428fed4ec50233d

    SHA512

    e5ee885788f7c7f918f573c7923fcf96c85d45854921ae5dd7e36984aafb060e8a25461a5fb990e677b61849e5b5e56ee8defebd930b2676443adfd4ed0cc081

  • memory/2540-2-0x000001A553110000-0x000001A553380000-memory.dmp

    Filesize

    2.4MB

  • memory/2540-12-0x000001A551900000-0x000001A551901000-memory.dmp

    Filesize

    4KB

  • memory/2540-13-0x000001A553110000-0x000001A553380000-memory.dmp

    Filesize

    2.4MB