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Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/03/2023, 09:45

General

  • Target

    Invoice No. 102220034.js

  • Size

    363KB

  • MD5

    1fa02948cc7fb485b2a599a5ed89ef34

  • SHA1

    98737df996354ccfb4524b2e9df55f306f578a31

  • SHA256

    9b900a34a52b2a9d16b777da88308c34dbddd6df39baa3d8aeee59edb2535838

  • SHA512

    8e223e1310ef54a044f4b9e24d5654f5c1544ec5136a957ac1864b91ecaafab6d43f10e90b1a24e8d7451a700cf796707376d56c05679d1a3e55f35f43d0e435

  • SSDEEP

    6144:GQBvd8uQFt6/MbvrIRr8xqhSYWZ3uh8Df9FPZtrnxj2roXmOfH7ojvVfmkg2jDk:NxyuQFt6/KIWJuh8nkOv7ehg

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\Invoice No. 102220034.js"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4680
    • 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\ugjiwoenv.txt"
      2⤵
        PID:3872

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      164KB

      MD5

      3834513023ec311a08f09b81a3b13fb8

      SHA1

      cb2faf30e64be67532aa01a59480052a2438ded6

      SHA256

      7b43f6ba187bf62f37f43374ef60808601cd187f5796e97458d15954f50c619b

      SHA512

      7fbf3b5b180fc0427cd641810806ebbb0e6c8fb710faf15bbf579af9fa668ed8257ea011e27b73cf3921f0714c0ad82d1be3eed3729319396017592d5f6df859

    • memory/3872-145-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

      Filesize

      4KB

    • memory/3872-161-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

      Filesize

      4KB

    • memory/3872-165-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

      Filesize

      4KB

    • memory/3872-167-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

      Filesize

      4KB

    • memory/3872-176-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

      Filesize

      4KB

    • memory/3872-178-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

      Filesize

      4KB

    • memory/3872-179-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

      Filesize

      4KB

    • memory/3872-188-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

      Filesize

      4KB

    • memory/3872-191-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

      Filesize

      4KB

    • memory/3872-192-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

      Filesize

      4KB

    • memory/3872-193-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

      Filesize

      4KB

    • memory/3872-197-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

      Filesize

      4KB

    • memory/3872-201-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

      Filesize

      4KB

    • memory/3872-209-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

      Filesize

      4KB

    • memory/3872-210-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

      Filesize

      4KB

    • memory/3872-212-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

      Filesize

      4KB

    • memory/3872-218-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

      Filesize

      4KB

    • memory/3872-219-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

      Filesize

      4KB