Analysis

  • max time kernel
    145s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2023 02:05

General

  • Target

    23dbd5703268a7db67368a072c9ad7f3.jar

  • Size

    106KB

  • MD5

    23dbd5703268a7db67368a072c9ad7f3

  • SHA1

    e7ceb921ba16cac8dca122fb299c7bc9c9a8a318

  • SHA256

    6d588dde32764fd765cdc52f15eabb65262001a803befd327bfe62bb9010bc91

  • SHA512

    dd2cc644c6e0ff9715ea8355ca6e53dd0ecb7fabdc248c5abd798affec4b08d3c06d6cdd5ae5b79b749698995034c306f28dd482550a73ed68b5a474e8a72569

  • SSDEEP

    1536:Ifku/dVPqW+tDYpcSLOIRNTjm5SSikTXdEM0VvSX5sdDKVTiPuRWN6pqE:IzHfiMpcjajm5xikhEJcCY17MEpz

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\23dbd5703268a7db67368a072c9ad7f3.jar
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:4804
    • 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:2220

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

    5ad9012a291f66610082e44a8177022f

    SHA1

    4e2e54676988d00d34acd29a7cad133891a5b149

    SHA256

    fc7c758ad7cb14478dd804eef3484c108731d235794ebe45009df13f950f1ec8

    SHA512

    224ec4dfd956b7a39a6cbf022e8cd8bd5ac714d645c3e8e3785ec5f047e7c3d9b187415ba709f1ba0170db7e20a076b574dbc7beb992617748a0779b0e8da604

  • memory/4804-40-0x0000014263D70000-0x0000014263D80000-memory.dmp

    Filesize

    64KB

  • memory/4804-38-0x0000014263D40000-0x0000014263D50000-memory.dmp

    Filesize

    64KB

  • memory/4804-16-0x0000014263A90000-0x0000014264A90000-memory.dmp

    Filesize

    16.0MB

  • memory/4804-28-0x0000014262160000-0x0000014262161000-memory.dmp

    Filesize

    4KB

  • memory/4804-39-0x0000014263D50000-0x0000014263D60000-memory.dmp

    Filesize

    64KB

  • memory/4804-36-0x0000014263D80000-0x0000014263D90000-memory.dmp

    Filesize

    64KB

  • memory/4804-14-0x0000014262160000-0x0000014262161000-memory.dmp

    Filesize

    4KB

  • memory/4804-4-0x0000014263A90000-0x0000014264A90000-memory.dmp

    Filesize

    16.0MB

  • memory/4804-29-0x0000014263A90000-0x0000014264A90000-memory.dmp

    Filesize

    16.0MB

  • memory/4804-44-0x0000014263A90000-0x0000014264A90000-memory.dmp

    Filesize

    16.0MB

  • memory/4804-43-0x0000014263DB0000-0x0000014263DC0000-memory.dmp

    Filesize

    64KB

  • memory/4804-42-0x0000014263DA0000-0x0000014263DB0000-memory.dmp

    Filesize

    64KB

  • memory/4804-41-0x0000014263D90000-0x0000014263DA0000-memory.dmp

    Filesize

    64KB

  • memory/4804-37-0x0000014263D30000-0x0000014263D40000-memory.dmp

    Filesize

    64KB

  • memory/4804-35-0x0000014263D10000-0x0000014263D20000-memory.dmp

    Filesize

    64KB

  • memory/4804-45-0x0000014263A90000-0x0000014264A90000-memory.dmp

    Filesize

    16.0MB