Analysis

  • max time kernel
    94s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-11-2024 19:52

General

  • Target

    cr.dll

  • Size

    1.3MB

  • MD5

    b84adb0bdb3a80fee8b3c7266f9661f0

  • SHA1

    869eea2c4ff200d72c795b10b2ec854f2647da12

  • SHA256

    9af602083fec1e778e9bbf417f53667b6186643ca39ff722c06d28de9350e95e

  • SHA512

    9be66205cbaf531668c2cf4990cd0ea10e264dd04a7af47511a893e0187c51b9bc9fe92ba38661fde597f3d994c8bc226d90796a4ae7fa0f36fd4453dfb6ea4f

  • SSDEEP

    12288:ubgosxiDmnuka+tK2gKpI6P8FNijbF6oxz/HKBTnzEoQQfL:YgDmYGijb1z6TnzEoQQfL

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\cr.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2068
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\cr.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4824
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 808
        3⤵
        • Program crash
        PID:5068
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4824 -ip 4824
    1⤵
      PID:2544

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/4824-0-0x0000000077AC2000-0x0000000077AC3000-memory.dmp

      Filesize

      4KB

    • memory/4824-1-0x00000000753E0000-0x000000007552C000-memory.dmp

      Filesize

      1.3MB