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Analysis

  • max time kernel
    141s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/09/2024, 07:42

General

  • Target

    ef57998a539f1bb43c744bcfd0657674_JaffaCakes118.exe

  • Size

    214KB

  • MD5

    ef57998a539f1bb43c744bcfd0657674

  • SHA1

    9591a9f460125a88d5f2a13748707b0426d6eace

  • SHA256

    c31b8921ddccf3aada7ec980cf1ef2119ce6a54d4a06370edc58801579561f15

  • SHA512

    2792d341c123239a7c5f92a75849ad6e2286241ffe893d020a63b4d75fbb494bac725054b5053a879b0c693fdefb01b20c47eaebff7d856a62a8ecdeee66651d

  • SSDEEP

    6144:kKEX4ZVEeVfFwbUNhuTCUWFH7MLMG/HhBn2OG:kTXApQx+7RQLJ/HhYO

Malware Config

Signatures

  • UPX packed file 2 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef57998a539f1bb43c744bcfd0657674_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ef57998a539f1bb43c744bcfd0657674_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:4420
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4420 -s 1632
      2⤵
      • Program crash
      PID:70348
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4420 -ip 4420
    1⤵
      PID:6964

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/4420-0-0x0000000000400000-0x000000000047D000-memory.dmp

      Filesize

      500KB

    • memory/4420-1-0x0000000000401000-0x0000000000402000-memory.dmp

      Filesize

      4KB

    • memory/4420-2-0x00000000021E0000-0x00000000021E1000-memory.dmp

      Filesize

      4KB

    • memory/4420-3-0x0000000000400000-0x000000000047D000-memory.dmp

      Filesize

      500KB

    • memory/4420-6-0x0000000000400000-0x000000000043B000-memory.dmp

      Filesize

      236KB

    • memory/4420-7-0x0000000000400000-0x000000000043B000-memory.dmp

      Filesize

      236KB

    • memory/4420-92273-0x0000000000400000-0x000000000043B000-memory.dmp

      Filesize

      236KB