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Analysis

  • max time kernel
    93s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/07/2024, 17:58

General

  • Target

    35ca4d6b86212c48c53d710e611d3e6e_JaffaCakes118.exe

  • Size

    16KB

  • MD5

    35ca4d6b86212c48c53d710e611d3e6e

  • SHA1

    b8b87f0b352e81a5057a233dff3cad97d6a5bf03

  • SHA256

    56378abacf178280185c747b192d33a13d4998731238d9d826349ea52f018061

  • SHA512

    a999a5003e0174625cc6d258844865c7a8c4f112e6b96777c0e3c322334839239ff8de461ece3e445e2aaa00fb40fb68dbad477b0dc23db814765a57ef247bcb

  • SSDEEP

    384:MTSFnRYFUux9foIR4QjfXZmQYtRAh43mq8IaEZnjO:vRYdxquXRmlmhE

Score
7/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 2 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\35ca4d6b86212c48c53d710e611d3e6e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\35ca4d6b86212c48c53d710e611d3e6e_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:2640
    • C:\Windows\SysWOW64\xmozfw.exe
      *C:\Users\Admin\AppData\Local\Temp\35ca4d6b86212c48c53d710e611d3e6e_JaffaCakes118.exe
      2⤵
      • Executes dropped EXE
      PID:1800
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1800 -s 324
        3⤵
        • Program crash
        PID:3744
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 1800 -ip 1800
    1⤵
      PID:3960

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • C:\Windows\SysWOW64\xmozfw.exe

      Filesize

      16KB

      MD5

      35ca4d6b86212c48c53d710e611d3e6e

      SHA1

      b8b87f0b352e81a5057a233dff3cad97d6a5bf03

      SHA256

      56378abacf178280185c747b192d33a13d4998731238d9d826349ea52f018061

      SHA512

      a999a5003e0174625cc6d258844865c7a8c4f112e6b96777c0e3c322334839239ff8de461ece3e445e2aaa00fb40fb68dbad477b0dc23db814765a57ef247bcb

    • memory/1800-9-0x0000000000510000-0x0000000000519000-memory.dmp

      Filesize

      36KB

    • memory/1800-10-0x00000000001C0000-0x00000000001C7000-memory.dmp

      Filesize

      28KB

    • memory/2640-0-0x0000000000510000-0x0000000000519000-memory.dmp

      Filesize

      36KB

    • memory/2640-1-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/2640-3-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/2640-8-0x0000000000510000-0x0000000000519000-memory.dmp

      Filesize

      36KB