Analysis

  • max time kernel
    5s
  • max time network
    13s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    13-01-2021 09:12

General

  • Target

    OCOLZ552720.js

  • Size

    195KB

  • MD5

    86f5e65bcc64e04ba7946d8071f213b1

  • SHA1

    403129cb5514917a278e91e0643f852964912c03

  • SHA256

    ba68c2acc5b4ce72444fd74f4dab6661bad90e865b0992d5ff9bb4afe32f3557

  • SHA512

    8580b921516571a57edcf22de46be1b938167a19278fa1f2eb3de6994198a9d6e3d305f18dfe1ed8e293c2ab0ffb2464a5788756c3be3fd02cb352b5af3d691d

Score
5/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\OCOLZ552720.js
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1648
    • C:\Program Files\Java\jre7\bin\javaw.exe
      "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\dxwinnw.txt"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1308
      • C:\Windows\system32\wscript.exe
        wscript C:\Users\Admin\fquimaihdd.js
        3⤵
          PID:1728

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\dxwinnw.txt

      MD5

      8c8bd4c98378cbfd170cef3fea63ad10

      SHA1

      289800651479f0f5180c2bd85330933cd84d9f55

      SHA256

      e0384f56f6db64896fbc40b41f82e2559abf10880fd618677867c23d45ab003c

      SHA512

      95cb754afd2e61f8849b640c14ee1940667d29f6cf215664c17e3206ad58e236ccea2cc0070f9d2246b92257db5361804053f30f2a9dd25ad39cbc0f0f9bd163

    • memory/1308-2-0x0000000000000000-mapping.dmp

    • memory/1648-3-0x0000000002650000-0x0000000002654000-memory.dmp

      Filesize

      16KB

    • memory/1728-6-0x0000000000000000-mapping.dmp