Analysis

  • max time kernel
    91s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2023 08:16

General

  • Target

    CancelledInvoice/YouContract.dll

  • Size

    552KB

  • MD5

    7c703c577032ecdeb85b0cb926d14447

  • SHA1

    cf446b09cad11632b0871a1986f2fa76b5f8d36d

  • SHA256

    053ddd240fee27c268c0c17c7d851a7b55fe6987b0962170d1c1b5e84fc24d68

  • SHA512

    6b96700a896f65c58da045a846b8bdcdf84b786b7dc90721e5189b2da1e75966c25774dbc3fb52dad8ace6c1439bd2c63363ee07ac331f08b7966ca8c6b326ef

  • SSDEEP

    12288:H7uM8sVm1kWF/eLJ+QlfW4MwauXWfFyDFfEWmqTqQpa4NLVZC:H+sVmhledMmGdu+ZqHzC

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\CancelledInvoice\YouContract.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\CancelledInvoice\YouContract.dll,#1
      2⤵
        PID:2360
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2360 -s 604
          3⤵
          • Program crash
          PID:2900
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2360 -ip 2360
      1⤵
        PID:3068

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • memory/2360-132-0x0000000000000000-mapping.dmp