Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2024 02:39

General

  • Target

    ca438598c383fab834c5e52369032e30c657f8f70cbb095f181ea7779d34bba1.jar

  • Size

    395KB

  • MD5

    81e621517a407ae36da0a767b960c88c

  • SHA1

    421f3489d10b803e2dd64d0b47ce619da2da448a

  • SHA256

    ca438598c383fab834c5e52369032e30c657f8f70cbb095f181ea7779d34bba1

  • SHA512

    cd0510723447c5ace63f4ec9eb1aa0aa7d9d56b70f08b16c92c71b9825351122e59c1b5173e1e7288f59a8d732be122e90be397521f80e71328d743ad172788c

  • SSDEEP

    192:WtZ3hAJtjmbwOqaI55LEOkOYiDiMkCjvDhvLlSIz3v4M3LwsUE+1MB7hikCOrPiH:cZ3hOOJvsEOWGWCjvSmwM7wsTvQMC

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\ca438598c383fab834c5e52369032e30c657f8f70cbb095f181ea7779d34bba1.jar
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1704
    • 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:4912

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

    c075fc57076f657521baefee534fce69

    SHA1

    15e0a94bd7cde28489126eb5119aa4b4ad60ee0a

    SHA256

    677112ea08146a65128ebe5f5d2351563d660d19122ec46addd00792e335a35b

    SHA512

    5659d1daeab0cf166cbb9a9cb20ee7e5b1a8c5f34d40cf312789c88785f4cc331386b173f2108b178d94f80fb683d189b0fea2c5cc7c70e1b3c1825fb1cfe9d7

  • memory/1704-4-0x00000295C8A80000-0x00000295C9A80000-memory.dmp

    Filesize

    16.0MB

  • memory/1704-12-0x00000295C72B0000-0x00000295C72B1000-memory.dmp

    Filesize

    4KB

  • memory/1704-19-0x00000295C8A80000-0x00000295C9A80000-memory.dmp

    Filesize

    16.0MB

  • memory/1704-27-0x00000295C8A80000-0x00000295C9A80000-memory.dmp

    Filesize

    16.0MB

  • memory/1704-34-0x00000295C8A80000-0x00000295C9A80000-memory.dmp

    Filesize

    16.0MB

  • memory/1704-39-0x00000295C8A80000-0x00000295C9A80000-memory.dmp

    Filesize

    16.0MB

  • memory/1704-43-0x00000295C8A80000-0x00000295C9A80000-memory.dmp

    Filesize

    16.0MB