Analysis

  • max time kernel
    91s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-02-2024 22:54

General

  • Target

    W2-AND-1099-A_PDF.jar

  • Size

    1.6MB

  • MD5

    b340226bafbd0ec63a660bba0b8396d1

  • SHA1

    b481f6a4ea1e55a39bccf9efd0d9ce23b7901a2a

  • SHA256

    d304fc7d28a123645a84a8af0ea3e79078b93c41ce27598f7184901599b81c20

  • SHA512

    48f7bd7fdf0ecdce324765b67c6de7ab2cd050e1bca970595bcf850820fc1e7be058b78db66cfeeb6ca056688dc3ad2bfa7cd1a5179b9d933775da8b7360be94

  • SSDEEP

    49152:3P+edXjzD2yoPOJAK8FIB48FvST8dVRXFn57UW6rY:3haeJ++B4YiSfXFn5gW6s

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\W2-AND-1099-A_PDF.jar
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:744
    • 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:3916

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

  • C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
    Filesize

    46B

    MD5

    08c77ce746d2741e8f14209fa70cb5a8

    SHA1

    8392cce678fdbf59a655ab8296a7e994bb55fa5d

    SHA256

    7e7570489b30c43d430e85a09986562800449b5d068edab512cfa0c542c8ec7f

    SHA512

    946d0451ca2d54782e4edb6af6cadb56d2b9119ab174f8d3293a01e33b0e7e49addf49390a6ac1edadef06fdde1bf307b9c0ba2e2c2560dc5053fe5025f374c2

  • memory/744-4-0x0000020A5A310000-0x0000020A5B310000-memory.dmp
    Filesize

    16.0MB

  • memory/744-12-0x0000020A58AC0000-0x0000020A58AC1000-memory.dmp
    Filesize

    4KB