Analysis

  • max time kernel
    135s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2024 13:47

General

  • Target

    cefbrowser.dll

  • Size

    416KB

  • MD5

    c5775324a9faba7ebba62b8fb78c7068

  • SHA1

    6f7b2f877d139a227c182fff0f593b2080e56f5d

  • SHA256

    4c1c32aa50caa2b7d064c0efc988280f7e8aa2a5ce52dc0e6548247cbfbb6c40

  • SHA512

    620e359048a1850d64203392ccf492ff56d74786e2a799e20a0423b368825d254d1f4cbe6b6f2b4ef14de806ba7d794f74403ae8f1b7ff3d5b7312df1574b8da

  • SSDEEP

    12288:qWZcsVRNXUKNurhHQ1rLwt4w3hgpCCckCbnAckzHKL7:MsVdurhHQ14t4w3WpCClCbnAckOL7

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\cefbrowser.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3592
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\cefbrowser.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1764
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 936
        3⤵
        • Program crash
        PID:2108
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1764 -ip 1764
    1⤵
      PID:2692

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads