Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-10-2024 10:03

General

  • Target

    $PLUGINSDIR/FirefoxHandler.dll

  • Size

    36KB

  • MD5

    297f686666aab3309cabc430199dfd10

  • SHA1

    0e57ded3db82a5c6de284a6fa93cc38bb8834ac9

  • SHA256

    6eef17cfaa4e4420f41a5e80c2fc49f4c1b8e44c8b648982c5cf5311fbd91dca

  • SHA512

    39ba6a6523df27c9e4e5d764a6ddde8129bbf80800b4b660354307d2601e84ed0783a6c035c5c1411a12177f95617db43d7ae2f3b0a2f5389d4d2681276196ac

  • SSDEEP

    768:J92TwvrKHG8lvQdxk/+IX19elUSrMQLisawIUqoULdAOfK+2+ZI:X2kvkyxkWIF9elU1+ALWOfZZ

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:5028
    • 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:4580
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4580 -s 616
        3⤵
        • Program crash
        PID:2776
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4580 -ip 4580
    1⤵
      PID:1124

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads