Analysis

  • max time kernel
    135s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/03/2023, 02:09

General

  • Target
    74ee45a7dc4ca40eaaf817dc5959328d.dll
  • Size 829KB
  • Sample230314-ck4yrach45
  • SHA256 6372927c368b79c065c445ed58617dc9e60975d3fd94b177bd4e10e01694bd2b
  • MD5 SHA1 SHA512 SSDEEP
Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\74ee45a7dc4ca40eaaf817dc5959328d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2800
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\74ee45a7dc4ca40eaaf817dc5959328d.dll,#1
      2⤵
        PID:4656
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 648
          3⤵
          • Program crash
          PID:444
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4656 -ip 4656
      1⤵
        PID:4620
      • C:\Windows\System32\rundll32.exe
        C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
        1⤵
          PID:3336
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe"
          1⤵
          • Suspicious use of WriteProcessMemory
          PID:4428
          • C:\Windows\system32\rundll32.exe
            rundll32 74ee45a7dc4ca40eaaf817dc5959328d.dll,XS88
            2⤵
              PID:3036

          Network

                MITRE ATT&CK Matrix

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                Downloads