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Analysis

  • max time kernel
    147s
  • max time network
    278s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/01/2025, 09:36

General

  • Target

    concrt140.dll

  • Size

    254KB

  • MD5

    f36dae6ea00f102b60a5011af0732123

  • SHA1

    06fabdbf1fa14b5a637716f9f7a28c95ea4a8661

  • SHA256

    0a3894dd420ed6b4c7ebbde463dbbde69cdb032e290b1c86c21ccdaa4da95526

  • SHA512

    c585e25ac9d733ca82d36d4cee0fa5f7d34a0455c359e010c501d1474c612bc73429093ba302ae14222d7e3a89d5b11777529b3005c7c0966aff06c92c7cce12

  • SSDEEP

    6144:fCoAisTYsJ8wmqr85bqo0MJQ6AZiJeqaajUQnLg2CJuuwr/12z/5vC498C:q0CpiAIaDuuwwzr8C

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\concrt140.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2292
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\concrt140.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:940
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 940 -s 604
        3⤵
        • Program crash
        PID:4120
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 940 -ip 940
    1⤵
      PID:4672

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads