Analysis

  • max time kernel
    148s
  • max time network
    151s
  • 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 18:29

General

  • Target

    jars/NewLaunchLegacy.jar

  • Size

    23KB

  • MD5

    b8e412180e698ecb3757a09c134191cc

  • SHA1

    cb74a42d73f11c05a58d4bbe99666195741a6075

  • SHA256

    149f50cc64844459322a8da8c62b3b97597d2302deb46a97be0279a8327382b8

  • SHA512

    727d8b48a34ce083c26ec3b0622a23f0d15f44deea2e19af7d643a390dcd6d6b1ff2e08134d2a87175ca86fdb6436c1eb8ba5072cf52d1f674c779bf53a48cde

  • SSDEEP

    384:MVVL1jDPUfYnONklSEaxh1jp8Buc6gd9rFXTbHD/8SkWlwP5:MVVP1lGh1j+Gy9RXTjD/8Sk2wP5

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\jars\NewLaunchLegacy.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4624
    • 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:2468

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

    5cdd31fecfd67e13587051f8862b7771

    SHA1

    fc001b4eb9ce3f02e036fe07d1013067b3f02311

    SHA256

    f61e437e7e374109072dad01def5a7e70234c3e300fe8c642719e05e8783f5cd

    SHA512

    d2933a35ff18b888210f07b1e47e0f8a532dce1b4e2556fc3964eebbb6b41760c3b41a776f67fb3d8aedb9ce9842094dfb1b037be28a41b87c0a3ce50f3d007b

  • memory/4624-4-0x000001BB0BC50000-0x000001BB0CC50000-memory.dmp

    Filesize

    16.0MB

  • memory/4624-12-0x000001BB0A380000-0x000001BB0A381000-memory.dmp

    Filesize

    4KB