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Analysis

  • max time kernel
    150s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/04/2024, 00:05

General

  • Target

    f90d1b841509a511a80cb3df2901c817_JaffaCakes118.exe

  • Size

    13KB

  • MD5

    f90d1b841509a511a80cb3df2901c817

  • SHA1

    50717943cf910d1252b6cd75327219a1274bc5ec

  • SHA256

    350d32527f9981f33a1f080b9eb2984df7f05eba4e0275f26d00ae69baaad551

  • SHA512

    233714f2aeaf848e61125a025bb19c9e3ba80fe2953dcadf085b2d7485a9ca33089a0484d3177f9c4fe82f48efd2e072a8832f130bbabef61f439747d8cb4dd5

  • SSDEEP

    384:nLVguK8/7bpobm6hxlFJBH/umdWxfyZeL6o:pguK8HpobmgxPzvdWVyZe

Score
8/10

Malware Config

Signatures

  • Modifies AppInit DLL entries 2 TTPs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f90d1b841509a511a80cb3df2901c817_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f90d1b841509a511a80cb3df2901c817_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:1456
    • C:\Windows\SysWOW64\cenvtak.exe
      C:\Windows\system32\cenvtak.exe ˜‰
      2⤵
      • Executes dropped EXE
      PID:2788
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\f90d1b841509a511a80cb3df2901c817_JaffaCakes118.exe.bat
      2⤵
        PID:4472

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\f90d1b841509a511a80cb3df2901c817_JaffaCakes118.exe.bat

      Filesize

      210B

      MD5

      9272802650e157dacef7e71d4429f9b6

      SHA1

      2c724bdddd5ca07c26a595822d232055ab38763a

      SHA256

      d3ce7d50594b71cde2cac3e9b54437aea625ceeff0fd7c2097f368c9e6e0ef9a

      SHA512

      926d7334650c6e29a0456b6f4516ec15dc30ba01ed54d6699c99a53106c783faee7f09c0fa0c4488cfadcdb639c60ee2666687017296ceb76e70ad01294bbe97

    • C:\Windows\SysWOW64\cenvtak.exe

      Filesize

      13KB

      MD5

      f90d1b841509a511a80cb3df2901c817

      SHA1

      50717943cf910d1252b6cd75327219a1274bc5ec

      SHA256

      350d32527f9981f33a1f080b9eb2984df7f05eba4e0275f26d00ae69baaad551

      SHA512

      233714f2aeaf848e61125a025bb19c9e3ba80fe2953dcadf085b2d7485a9ca33089a0484d3177f9c4fe82f48efd2e072a8832f130bbabef61f439747d8cb4dd5

    • memory/1456-0-0x0000000000400000-0x000000000040F000-memory.dmp

      Filesize

      60KB

    • memory/1456-6-0x0000000000400000-0x000000000040F000-memory.dmp

      Filesize

      60KB

    • memory/2788-7-0x0000000000400000-0x000000000040F000-memory.dmp

      Filesize

      60KB