Analysis

  • max time kernel
    93s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/01/2025, 14:29

General

  • Target

    wincr.dll

  • Size

    971KB

  • MD5

    301110636d01147ed054b745f8f876f5

  • SHA1

    a24dbad0b7433e823ac3b5d3f5388e689a97388e

  • SHA256

    6e03be3d3a4c237e28f0245b93f11277185a69e28ffeb18f0791ea10c435fa98

  • SHA512

    30ba95ac58b2af4ed8ede34ba60ba3e834ebc4c00fbfcd176d5991309659736e132c616d93b0514712206b6da35944cec12720f3eaf0497f17c10b6fc47f712e

  • SSDEEP

    6144:YRjaR84dQvFsPxsgeRYej5B6T4FfKCnaBPlCPVLwKoCJVcfQfQvJW9h8FgZOTzNE:6den4FyEq8xo66zAU7EIt2HXZgwUT

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\wincr.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3180
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\wincr.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3728
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3728 -s 684
        3⤵
        • Program crash
        PID:872
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3728 -ip 3728
    1⤵
      PID:388

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/3728-0-0x0000000077DD2000-0x0000000077DD3000-memory.dmp

      Filesize

      4KB

    • memory/3728-1-0x0000000075740000-0x000000007583A000-memory.dmp

      Filesize

      1000KB