Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2024 19:48

General

  • Target

    41c176289fce610d62f725d77e3a7d01.jar

  • Size

    99KB

  • MD5

    41c176289fce610d62f725d77e3a7d01

  • SHA1

    1dae1e614e39617736f087af8974eaccabbec6f2

  • SHA256

    b8854611b04b7ff0269ba30bc535bc4ec583e639a4385818d80ef6ae9c16fb9d

  • SHA512

    6fe3dc69a6f535ab70585e3c24a96f49971cf490be03263076e566d0f3c38f1388790d8b0db02f45ba65dde36c34147722ca374c813cba9dc4d372c4c4755948

  • SSDEEP

    1536:ayNjdW+3p0L6R62S0Wn7xwxMwM7Xpg1XEWW0o37BwAQ/LjA7d9TMMuDTMoT6N:ayK+Z0SyRnlwKRy10z7O1A7ddMMu7TS

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\41c176289fce610d62f725d77e3a7d01.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2984
    • 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:3200

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

    fc2b1e1b53b0ec7a7d696180ef47b893

    SHA1

    768b1d0ca6b7fb4c53fee2460c9b8591d112c0cc

    SHA256

    250e8cf2048257816c06e92e51c1e2ee88be30335d9548ddc7dcc4f6f226ad38

    SHA512

    59f78fde2e38ff69b75360bec03d954a7a773d73ee764a7fd8219bdf48f7982ac40d3637f7d803a32f4748b960e4433cb8bd850884d53bbc5d307f534e3c1af7

  • memory/2984-35-0x00000247C7E80000-0x00000247C7E81000-memory.dmp

    Filesize

    4KB

  • memory/2984-16-0x00000247C9650000-0x00000247CA650000-memory.dmp

    Filesize

    16.0MB

  • memory/2984-18-0x00000247C7E80000-0x00000247C7E81000-memory.dmp

    Filesize

    4KB

  • memory/2984-24-0x00000247C9650000-0x00000247CA650000-memory.dmp

    Filesize

    16.0MB

  • memory/2984-36-0x00000247C9650000-0x00000247CA650000-memory.dmp

    Filesize

    16.0MB

  • memory/2984-4-0x00000247C9650000-0x00000247CA650000-memory.dmp

    Filesize

    16.0MB

  • memory/2984-41-0x00000247C9650000-0x00000247CA650000-memory.dmp

    Filesize

    16.0MB

  • memory/2984-48-0x00000247C9650000-0x00000247CA650000-memory.dmp

    Filesize

    16.0MB

  • memory/2984-50-0x00000247C7E80000-0x00000247C7E81000-memory.dmp

    Filesize

    4KB

  • memory/2984-57-0x00000247C7E80000-0x00000247C7E81000-memory.dmp

    Filesize

    4KB

  • memory/2984-81-0x00000247C7E80000-0x00000247C7E81000-memory.dmp

    Filesize

    4KB

  • memory/2984-140-0x00000247C9650000-0x00000247CA650000-memory.dmp

    Filesize

    16.0MB

  • memory/2984-143-0x00000247C9650000-0x00000247CA650000-memory.dmp

    Filesize

    16.0MB

  • memory/2984-147-0x00000247C9650000-0x00000247CA650000-memory.dmp

    Filesize

    16.0MB