Analysis

  • max time kernel
    148s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-10-2023 10:37

General

  • Target

    Invoice PaymentPDF.js

  • Size

    5KB

  • MD5

    cb4d973520751a756027af396ef263fb

  • SHA1

    c6d0ac4edf12a65eedbbe387d8add54a7c0798ae

  • SHA256

    bdb89a48813d653020c80002b9993bf9e499200860f7158b4d252daa12cbb1db

  • SHA512

    2ac46c69347e7c093c6fd7044cbf543193afaac790626410db98d0ec1020ff39e4b0eab0d3070380c0e4d5409547ef5530b035970e29cbbbef97b098f58fb9e7

  • SSDEEP

    96:SABNo5Dyk2c24ZRMHXE6/BIL+Ys+fJ/nDdQqR7bJyKUxvUu/ingHXRZfzYMe/jFT:zSz2c24ZRMlBIaYs+fJ7fRfWingHXRZe

Malware Config

Extracted

Family

vjw0rm

C2

http://172.245.244.118:7070

Signatures

  • Vjw0rm

    Vjw0rm is a remote access trojan written in JavaScript.

  • Blocklisted process makes network request 1 IoCs
  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\Invoice PaymentPDF.js"
    1⤵
    • Blocklisted process makes network request
    • Drops startup file
    • Adds Run key to start application
    PID:5052

Network

MITRE ATT&CK Enterprise v15

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Downloads