Analysis

  • max time kernel
    139s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/08/2023, 18:12

General

  • Target

    3f85ff00fe071f9d58be56b27ecfb05bb1cac2bf311eda467f20d8b0ad2e3dcadll_JC.dll

  • Size

    140KB

  • MD5

    8e595f51834140d91b381f9c89a321dd

  • SHA1

    ba835294d26528a643576004799dd965934221a0

  • SHA256

    3f85ff00fe071f9d58be56b27ecfb05bb1cac2bf311eda467f20d8b0ad2e3dca

  • SHA512

    41ebd4e9e334e171c05370dfd9f4a540e726b33471a9660af3fb9a4ab79b764bb3668d4d109ed26c040f35216d014a8db0770e98be3518a546ba7759e53ac15b

  • SSDEEP

    3072:pFvpge1Y6V+nzjb+YDTzNQ8FbPf6b3lOfU/KCgZDzv6DWo:pE6V+bZTzK2byxOM/y+x

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f85ff00fe071f9d58be56b27ecfb05bb1cac2bf311eda467f20d8b0ad2e3dcadll_JC.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2456
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f85ff00fe071f9d58be56b27ecfb05bb1cac2bf311eda467f20d8b0ad2e3dcadll_JC.dll,#1
      2⤵
        PID:1472
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 728
          3⤵
          • Program crash
          PID:572
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1472 -ip 1472
      1⤵
        PID:4416

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • memory/1472-133-0x0000000000F90000-0x0000000000F92000-memory.dmp

        Filesize

        8KB