Analysis

  • max time kernel
    141s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2023 05:56

General

  • Target

    contactsUX.dll

  • Size

    331KB

  • MD5

    54ee6a204238313dc6aca21c7e036c17

  • SHA1

    531fd1c18e2e4984c72334eb56af78a1048da6c7

  • SHA256

    0abf68b8409046a1555d48ac506fd26fda4b29d8d61e07bc412a4e21de2782fd

  • SHA512

    19a2e371712aab54b75059d39a9aea6e7de2eb69b3ffc0332e60df617ebb9de61571b2ca722cddb75c9cbc79f8200d03f73539f21f69366eae3c7641731c7820

  • SSDEEP

    6144:zLU98dTLLPTtdO37tzHzjRzPSzHKBJupBzC8vAocIGhL99WP+gDjX5oOyOta3H/C:P9PLrtShzHzjRMcQpsSCTO2H/Kj

Score
3/10

Malware Config

Signatures

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

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\contactsUX.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3764
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\contactsUX.dll
      2⤵
        PID:3064
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3064 -s 692
          3⤵
          • Program crash
          PID:3944
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3064 -ip 3064
      1⤵
        PID:3552

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3064-0-0x0000000000930000-0x0000000000939000-memory.dmp

        Filesize

        36KB