Analysis

  • max time kernel
    91s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-04-2024 17:23

General

  • Target

    be46717a2f3f17793a9d9fa12d0bd417_JaffaCakes118.jar

  • Size

    397KB

  • MD5

    be46717a2f3f17793a9d9fa12d0bd417

  • SHA1

    ff1201927fb0feedb614dba9e4ffe9e58ef91ac8

  • SHA256

    87f72b2cb5677b04b8ee86bd4951990b9e528a5cf87a6935154d99c383358089

  • SHA512

    989fd25def933eeda01f20d519dd448d30e3f0cd581d941332241760c3d2e4c13247254f38a133f8a28bfa4b6da6127f399482169412588f22f5b5dce0e09929

  • SSDEEP

    12288:vYjUsuboVArx55DClCP+jp42GsThJUaz5jU+rLuB:QjUptrx5FClCYNG65zJL/I

Score
7/10

Malware Config

Signatures

  • Modifies file permissions 1 TTPs 1 IoCs
  • Drops file in Program Files directory 12 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\be46717a2f3f17793a9d9fa12d0bd417_JaffaCakes118.jar
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1500
    • 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:2284

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

    f02f02296712952fa02afec0dd4b4f74

    SHA1

    82f4037a06e7df90911fa0e6a9c6f48789af3585

    SHA256

    59450aca9af3173b3603b12d9449e036eb308dd4ed35eade49bb40ad4d0391d9

    SHA512

    51688c7ba7cfcd724f947a47202089332e1f1b0e793c42bb82a393daf1ea45a53df22b2284b9a89bfc9be036cb07e9528ad9756ec46b25c295e373f128e072db

  • memory/1500-5-0x0000027015760000-0x0000027016760000-memory.dmp

    Filesize

    16.0MB

  • memory/1500-12-0x0000027013E80000-0x0000027013E81000-memory.dmp

    Filesize

    4KB

  • memory/1500-18-0x00000270159E0000-0x00000270159F0000-memory.dmp

    Filesize

    64KB

  • memory/1500-19-0x0000027015760000-0x0000027016760000-memory.dmp

    Filesize

    16.0MB

  • memory/1500-20-0x0000027015760000-0x0000027016760000-memory.dmp

    Filesize

    16.0MB