Analysis

  • max time kernel
    101s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/09/2024, 05:52

General

  • Target
    $PLUGINSDIR/newtextreplace.dll
  • Size 11KB
  • Sample240901-gk5mhatamn
  • SHA256 156b9b583399faf13c4d46b89339fb0f7f38dc847ac2d7872178d8e3998b9734
  • 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\newtextreplace.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2444
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\newtextreplace.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3904
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 600
        3⤵
        • Program crash
        PID:4932
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 3904 -ip 3904
    1⤵
      PID:1272

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          memory/3904-0-0x0000000064300000-0x000000006430B000-memory.dmp