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Analysis

  • max time kernel
    143s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    11/04/2024, 05:38

General

  • Target

    ecc643a4ca4b12056aa3d8e9c5c922d9_JaffaCakes118.exe

  • Size

    114KB

  • MD5

    ecc643a4ca4b12056aa3d8e9c5c922d9

  • SHA1

    acfef6213f62a26a9cdb3bb274e042aecaaf5048

  • SHA256

    6d2fb007d2e437661c81431acad20dc07be768a4f2bbe611fe198298741e5f7f

  • SHA512

    42d318633919ce746a647ed1722d535fca808495e4fd564db99c9f0c59f6d689fdd00f27fbd5c4c6e100bcfdedf83fb3b2623b4d66056a5b2898872d4fe45776

  • SSDEEP

    3072:sr3KcWmjRrzSgx+uEueDb8BepP9VvohU5Z4wvgqqcB9XFHWq:/QxzpeDABepl+aZ4wvhfXdh

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 4 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ecc643a4ca4b12056aa3d8e9c5c922d9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ecc643a4ca4b12056aa3d8e9c5c922d9_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\GEvv7B9OZpOt7mm.exe

    Filesize

    78KB

    MD5

    8e7c55ece07f5a287b83f1ccdcc33d51

    SHA1

    9f5c27b62c9b5c819d83264f51b0d03518291829

    SHA256

    1e623dea35f7be0250b7ffab5264d2d4fe35040526de2fad4c06e4cff89fb100

    SHA512

    db215e4df67ae25c980094e8f0acf29f1d6a43313b0dda7006f16e5ee9baba48febe0784e32a32ed099126ff883a3684fb9dd197ee892584d58a11b172725c42

  • C:\Windows\CTS.exe

    Filesize

    35KB

    MD5

    93e5f18caebd8d4a2c893e40e5f38232

    SHA1

    fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6

    SHA256

    a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8

    SHA512

    986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54

  • memory/2872-0-0x00000000010D0000-0x00000000010E7000-memory.dmp

    Filesize

    92KB

  • memory/2872-8-0x00000000010D0000-0x00000000010E7000-memory.dmp

    Filesize

    92KB

  • memory/2872-11-0x0000000000070000-0x0000000000087000-memory.dmp

    Filesize

    92KB

  • memory/2872-18-0x0000000000070000-0x0000000000087000-memory.dmp

    Filesize

    92KB

  • memory/2932-12-0x00000000012E0000-0x00000000012F7000-memory.dmp

    Filesize

    92KB