Analysis

  • max time kernel
    135s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 05:51

General

  • Target

    $PLUGINSDIR/FirefoxHandler.dll

  • Size

    42KB

  • MD5

    89299f2e807a795737d82926b076e570

  • SHA1

    ab503dd7ac9028d35a45113fad14ca35b2b0ebd1

  • SHA256

    68b2c80193a1b96c02bd6cf8b30210ed8d8c185855fe99b06ee6d70257e1e58a

  • SHA512

    e8e7bda3f04657e7f36bef52d9d4309d45bb958f5829479ce3f36d39982d9122f9e770c5870301f7e1dc6596d842ed7a2e926a8a77639b213c5ed6e566cb4ecd

  • SSDEEP

    768:g92TwvrKHG8lvQdxk/+IX19elUSrMQLisawIUqoULdAOfK+2+ZIG6DepE3:82kvkyxkWIF9elU1+ALWOfZZE0E3

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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\FirefoxHandler.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2924
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\FirefoxHandler.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1028
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1028 -s 620
        3⤵
        • Program crash
        PID:3532
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1028 -ip 1028
    1⤵
      PID:2880

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads