Analysis

  • max time kernel
    140s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-12-2022 10:37

General

  • Target

    NewInvoice/NewRules.dll

  • Size

    733KB

  • MD5

    1b4eb3e5510b5f32c4ed5f9ba11288bd

  • SHA1

    f91052aa0a9375422ee29a7756df4756fb759486

  • SHA256

    678b2d1d0e5dc0e18f5f85abbed3d036c99fa9db8704676adaf9ec304b582523

  • SHA512

    40f479618f6f8cc103cb2acb0890ef0833263a501a8a60f2c50eba5602540bd98c7c142eb01355962e5b8bad6d34bb42f31b11aa3f1d950bf2a3c2f82b7e6960

  • SSDEEP

    12288:bx5BlbjoVPn84C8oSZTkwvFsaLJ5sU4gzplUWQnLI7QAeh+nqb7/ODsrETSeWBE:b/CP1jVtkBKzsU4gLUWZ7tqb72eR

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\NewInvoice\NewRules.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:540
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\NewInvoice\NewRules.dll,#1
      2⤵
        PID:3372
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 600
          3⤵
          • Program crash
          PID:1972
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3372 -ip 3372
      1⤵
        PID:680

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • memory/3372-132-0x0000000000000000-mapping.dmp