Analysis

  • max time kernel
    147s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-04-2024 01:02

General

  • Target

    ec5cb0bb3a337d6b65a80a00bae000b5_JaffaCakes118.exe

  • Size

    266KB

  • MD5

    ec5cb0bb3a337d6b65a80a00bae000b5

  • SHA1

    77f839e1a8bc70cbfa8a0ad7cb786824a3f2c835

  • SHA256

    ed65ed2797acb64deb5ab19591a08d2d2663e46f2bb8e4f7b2b8cb64d7641756

  • SHA512

    1893fef78b5406f459d490bcbd71c8441a5c0a5b87c909f4910064e4e88dca59d19287c774b7a2aa76a65f8eb2f9c31bfa1f9e891e0fcf9121aaf1724844fad4

  • SSDEEP

    3072:nA+jizaNjm3kMekPwVn5GkCAxNVb9PLYxFDXIkO+RN+HAw3QmbT9/B6rUf/aBmc7:nBiEjmpPGM9MT5PMrXHRaR/BHyBAQ

Score
7/10
upx

Malware Config

Signatures

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

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

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ec5cb0bb3a337d6b65a80a00bae000b5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ec5cb0bb3a337d6b65a80a00bae000b5_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3904
    • C:\Users\Admin\AppData\Local\Temp\ec5cb0bb3a337d6b65a80a00bae000b5_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\ec5cb0bb3a337d6b65a80a00bae000b5_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:4672

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ec5cb0bb3a337d6b65a80a00bae000b5_JaffaCakes118.exe

    Filesize

    266KB

    MD5

    238696d6cd4a19141f15324aa3579a65

    SHA1

    440fe4d5f8138a3bd6978809cb4bb81470f6d25d

    SHA256

    8e6ae1d704a9da4a9e66387ce4b310a8c58413ca7c8a6d9e07044481601f3a7f

    SHA512

    2ea3489be468b743b74d77afcddab6371cc83a6d1a7fdacbf81adc2caa812a1039195ee6b41fef6b98e7caf906d3a6e6f1624fe11588a9212ecdf65ac41c0df5

  • memory/3904-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/3904-1-0x00000000001C0000-0x00000000001E1000-memory.dmp

    Filesize

    132KB

  • memory/3904-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3904-16-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4672-14-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/4672-18-0x00000000001A0000-0x00000000001C1000-memory.dmp

    Filesize

    132KB

  • memory/4672-31-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB