Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    13/12/2021, 15:18

General

  • Target

    SHIPMENT_DOCUMENTS_INV-PLIST01256_BL PDF.js

  • Size

    491KB

  • MD5

    87abfdba2290a31df0d97e91cc4b1195

  • SHA1

    04ccec1a839efb216cfab4c6bf35e25b1b320157

  • SHA256

    556e3aa4f1bdf16c72a2ab22884b935936386f69ca4977a6e815bcc1eb3b9408

  • SHA512

    bcf7c1528ca72669d43d495f5daa21417f757dbd825593cf6589bf9502e3866b7860a807be81a92d9d20dc2dee4ca84bae85dabcddec3a53b83ba336a840aa9c

Malware Config

Signatures

  • Vjw0rm

    Vjw0rm is a remote access trojan written in JavaScript.

  • Blocklisted process makes network request 4 IoCs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\SHIPMENT_DOCUMENTS_INV-PLIST01256_BL PDF.js"
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3988
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\oiCIKHrGSI.js"
      2⤵
      • Blocklisted process makes network request
      • Drops startup file
      • Adds Run key to start application
      PID:2328
    • C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe
      "C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\wgpwpbh.txt"
      2⤵
        PID:3976

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3976-147-0x0000000002F90000-0x0000000002FA0000-memory.dmp

            Filesize

            64KB

          • memory/3976-145-0x0000000002F80000-0x0000000002F90000-memory.dmp

            Filesize

            64KB

          • memory/3976-120-0x0000000002C90000-0x0000000002F00000-memory.dmp

            Filesize

            2.4MB

          • memory/3976-121-0x0000000000D60000-0x0000000000D61000-memory.dmp

            Filesize

            4KB

          • memory/3976-123-0x0000000000D60000-0x0000000000D61000-memory.dmp

            Filesize

            4KB

          • memory/3976-124-0x0000000002F00000-0x0000000002F10000-memory.dmp

            Filesize

            64KB

          • memory/3976-127-0x0000000000D60000-0x0000000000D61000-memory.dmp

            Filesize

            4KB

          • memory/3976-128-0x0000000000D60000-0x0000000000D61000-memory.dmp

            Filesize

            4KB

          • memory/3976-130-0x0000000002F20000-0x0000000002F30000-memory.dmp

            Filesize

            64KB

          • memory/3976-151-0x0000000002FB0000-0x0000000002FC0000-memory.dmp

            Filesize

            64KB

          • memory/3976-131-0x0000000002F30000-0x0000000002F40000-memory.dmp

            Filesize

            64KB

          • memory/3976-135-0x0000000000D60000-0x0000000000D61000-memory.dmp

            Filesize

            4KB

          • memory/3976-138-0x0000000000D60000-0x0000000000D61000-memory.dmp

            Filesize

            4KB

          • memory/3976-137-0x0000000002F40000-0x0000000002F50000-memory.dmp

            Filesize

            64KB

          • memory/3976-141-0x0000000002F60000-0x0000000002F70000-memory.dmp

            Filesize

            64KB

          • memory/3976-140-0x0000000002F50000-0x0000000002F60000-memory.dmp

            Filesize

            64KB

          • memory/3976-143-0x0000000002F70000-0x0000000002F80000-memory.dmp

            Filesize

            64KB

          • memory/3976-119-0x0000000002C90000-0x0000000002F00000-memory.dmp

            Filesize

            2.4MB

          • memory/3976-149-0x0000000002FA0000-0x0000000002FB0000-memory.dmp

            Filesize

            64KB

          • memory/3976-129-0x0000000002F10000-0x0000000002F20000-memory.dmp

            Filesize

            64KB

          • memory/3976-158-0x0000000000D60000-0x0000000000D61000-memory.dmp

            Filesize

            4KB

          • memory/3976-167-0x0000000002FC0000-0x0000000002FD0000-memory.dmp

            Filesize

            64KB

          • memory/3976-169-0x0000000002FD0000-0x0000000002FE0000-memory.dmp

            Filesize

            64KB

          • memory/3976-171-0x0000000002FE0000-0x0000000002FF0000-memory.dmp

            Filesize

            64KB

          • memory/3976-172-0x0000000002FF0000-0x0000000003000000-memory.dmp

            Filesize

            64KB

          • memory/3976-183-0x0000000000D60000-0x0000000000D61000-memory.dmp

            Filesize

            4KB

          • memory/3976-193-0x0000000003000000-0x0000000003010000-memory.dmp

            Filesize

            64KB

          • memory/3976-218-0x0000000003010000-0x0000000003020000-memory.dmp

            Filesize

            64KB

          • memory/3976-224-0x0000000003020000-0x0000000003030000-memory.dmp

            Filesize

            64KB

          • memory/3976-226-0x0000000003030000-0x0000000003040000-memory.dmp

            Filesize

            64KB

          • memory/3976-233-0x0000000003040000-0x0000000003050000-memory.dmp

            Filesize

            64KB

          • memory/3976-234-0x0000000003050000-0x0000000003060000-memory.dmp

            Filesize

            64KB

          • memory/3976-236-0x0000000003060000-0x0000000003070000-memory.dmp

            Filesize

            64KB

          • memory/3976-238-0x0000000003070000-0x0000000003080000-memory.dmp

            Filesize

            64KB

          • memory/3976-240-0x0000000003080000-0x0000000003090000-memory.dmp

            Filesize

            64KB

          • memory/3976-242-0x0000000003090000-0x00000000030A0000-memory.dmp

            Filesize

            64KB

          • memory/3976-245-0x00000000030A0000-0x00000000030B0000-memory.dmp

            Filesize

            64KB