Analysis

  • max time kernel
    137s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/06/2024, 18:10

General

  • Target

    0885087f966136eeb3c60fd7c515ed58_JaffaCakes118.dll

  • Size

    704KB

  • MD5

    0885087f966136eeb3c60fd7c515ed58

  • SHA1

    fc68e34ed03507eae4c88e14ea527ef4a8fa80ac

  • SHA256

    e7ac7235baadfd14f27d5cd604c5b20a2b19677f1b00d4ce16e47845d5d0796f

  • SHA512

    a02278382e0e804845a8c07cc1bc690998b347ac0673469eabc65a9d90f09cb9d41e650829f4fd15350718640df65f7db4678498a2ba031b67a357fc6b9a81c2

  • SSDEEP

    12288:80ywjWtUO+Oke04VGUl6vhOiue+bhPrRx4vSZqB7Y0lnMyC2+EpjL7aO:bCwsdPJyC29x1

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\0885087f966136eeb3c60fd7c515ed58_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:228
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0885087f966136eeb3c60fd7c515ed58_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:4880
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        PID:1624
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4880 -s 628
        3⤵
        • Program crash
        PID:4900
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4880 -ip 4880
    1⤵
      PID:3216

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          • C:\Windows\SysWOW64\rundll32mgr.exe

            Filesize

            76KB

            MD5

            2e7df5ae9dcabe137166989493d996a9

            SHA1

            00a2f1abd5480d5e23bf512a8ee37aa842f69b54

            SHA256

            4c53f34aa96dc64de964e0f440218ea918b4ac56576323edb4626b17265bd8ef

            SHA512

            38bbc02e1767a8337ce53c73c637d4d9ec883d9f966dff26fb92ecda6d56646166deb5836a7edfd43725408f2e31f07935dbfaf726e6ea77c64ade18bad42d8f

          • memory/4880-0-0x0000000010000000-0x00000000100B1000-memory.dmp

            Filesize

            708KB

          • memory/4880-5-0x0000000010000000-0x00000000100B1000-memory.dmp

            Filesize

            708KB