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Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/04/2024, 21:38

General

  • Target

    e357eba2783a9cfbb6bf4b530b547a51_JaffaCakes118.exe

  • Size

    122KB

  • MD5

    e357eba2783a9cfbb6bf4b530b547a51

  • SHA1

    8ea2492ff97ac5d56ae42e478a4ae54672bd8e32

  • SHA256

    2813b4a5697aec08070305dafa5f7d0cbcc46d407357521430382fa52eb0f05a

  • SHA512

    3a243b7d18c867f2c581bd035a8ad4b4d5a05198ce56d72e628f04e6961e49c5e0a1a92f0de37f7a7a68d00c61859310643d892b7cb210d61cf0234f90e27eaf

  • SSDEEP

    3072:sr3KcWmjRrzSK+qMZxgrDnVaBn1LQyqjRTDyL6YAzMNpNq0:/66cV0hQLhOhYcpNq0

Malware Config

Signatures

  • Executes dropped EXE 2 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 5 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e357eba2783a9cfbb6bf4b530b547a51_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e357eba2783a9cfbb6bf4b530b547a51_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1032
    • C:\Users\Admin\AppData\Local\Temp\RSMZzmsio42qqpx.exe
      C:\Users\Admin\AppData\Local\Temp\RSMZzmsio42qqpx.exe
      2⤵
      • Executes dropped EXE
      PID:4476
    • 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:3936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

    Filesize

    357KB

    MD5

    2894df299a8da301232f5ad6f56506d0

    SHA1

    966d1016e1987e39c5e22afe90e77424d7b067be

    SHA256

    44baedb98cbb64be93c3cfd5083a52ba71e5cedb201d9721c8caa0a7ba53c474

    SHA512

    cc498f4efd535c51e0fd1bf7c621b20fcc980b14e94a19722faba5cb306d4057051d7b7de4e23af34daffda8343a3abf85e9ee157ee72c5ffc0232b99fa84bbb

  • C:\Users\Admin\AppData\Local\Temp\RSMZzmsio42qqpx.exe

    Filesize

    87KB

    MD5

    015207664f86b0d334146d7bc7551a0f

    SHA1

    b466beca074c3c4a500bfa00fd691cf0fe300d8c

    SHA256

    3212cacc4d669f381ad1048e43726ec2841de32135438992c55f792bf03beafc

    SHA512

    6ced0d294fd9c330cab20739336c6cd4c1e202d521fd41c6fd6bdfe7e720247c84ac10a7e25855d3cc9b08f2d9251798eb52383527a9363c5126a6b205ff0657

  • C:\Windows\CTS.exe

    Filesize

    35KB

    MD5

    93e5f18caebd8d4a2c893e40e5f38232

    SHA1

    fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6

    SHA256

    a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8

    SHA512

    986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54

  • memory/1032-0-0x0000000000D30000-0x0000000000D47000-memory.dmp

    Filesize

    92KB

  • memory/1032-7-0x0000000000D30000-0x0000000000D47000-memory.dmp

    Filesize

    92KB

  • memory/3936-9-0x00000000007C0000-0x00000000007D7000-memory.dmp

    Filesize

    92KB