Analysis

  • max time kernel
    88s
  • max time network
    94s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    02-05-2024 13:25

General

  • Target

    lib/slf4j-simple.jar

  • Size

    14KB

  • MD5

    722bb90689aecc523e3fe317e1f0984b

  • SHA1

    8dacf9514f0c707cbbcdd6fd699e8940d42fb54e

  • SHA256

    0966e86fffa5be52d3d9e7b89dd674d98a03eed0a454fbaf7c1bd9493bd9d874

  • SHA512

    d5effbfa105bcd615e56ef983075c9ef0f52bcfdbefa3ce8cea9550f25b859e48b32f2ec9aa7a305c6611a3be5e0cde0d269588d9c2897ca987359b77213331d

  • SSDEEP

    192:wyBOIrDL/vJ0RWNML2NyWKr362ByOikGnqO5Vyb3Uab+UtJIdgihtqSXs:wyBnxxMLg7KrqU7Gnqrb3lhtuF/qS8

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\lib\slf4j-simple.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:240
    • 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:1888

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

    57e4a6337a29ebc19693d3eba1d0dc37

    SHA1

    a87b31d1956542e74f093376f6dbd0cf286260d5

    SHA256

    6a542a81ccce571f5570166af9f74703c122062d2b7c0922bdfa46bf7dd582c3

    SHA512

    d49545752d9e624d7ad57f09d95ff5a2c1735614b3308a1a6399ab81c4cc6125d02644bcc9ed2d5d8003fb9cd49469ccb5e9b580c557f92edc195e0f1ca9d058

  • memory/240-2-0x0000023D9EC90000-0x0000023D9EF00000-memory.dmp

    Filesize

    2.4MB

  • memory/240-12-0x0000023D9D4A0000-0x0000023D9D4A1000-memory.dmp

    Filesize

    4KB

  • memory/240-13-0x0000023D9EC90000-0x0000023D9EF00000-memory.dmp

    Filesize

    2.4MB