Analysis

  • max time kernel
    95s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2024, 04:29

General

  • Target
    $PLUGINSDIR/BaseConvert.dll
  • Size 48KB
  • Sample241003-e4m6fsvcmj
  • SHA256 14a4c7d96d87cb23038d688e80919d727f0cdb3b51859115f14c0af3248f109c
  • MD5 SHA1 SHA512 SSDEEP
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\$PLUGINSDIR\BaseConvert.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4744
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\BaseConvert.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4724
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4724 -s 600
        3⤵
        • Program crash
        PID:3476
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4724 -ip 4724
    1⤵
      PID:684

    Network

          MITRE ATT&CK Enterprise v15

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          Downloads