Resubmissions

30-12-2024 00:00

241230-aagpcs1lgt 10

29-12-2024 23:59

241229-31rw8s1lhm 10

25-12-2024 13:51

241225-q5yjcsvjcw 10

General

  • Target

    Bootstrapper1.55.exe

  • Size

    76.4MB

  • Sample

    241225-q5yjcsvjcw

  • MD5

    2c8781fb8af16e9646c0fc2ce303a699

  • SHA1

    1444b640655d1e5494ca486d0333cff86aa1e3d6

  • SHA256

    f110a7d8c7f741474e6b6cfdb33aba02a2de58280dbd92f7c118a780d9eabceb

  • SHA512

    ad34362c042ecb00a5804c1dab0b55627726596d38ae09ab1d84c6321b6028f2f52c284943bbd2903549586d07221be44a4123bbb2c7890b1bc985baf13e5f2d

  • SSDEEP

    1572864:v8VlOWyomcSk8IpG7V+VPhqSvE7WxylKN0iY4MHHLeqPNLtD5zq3BxZpW9ryN:vKYromcSkB05awStxyMZMHVLt1zq3juE

Malware Config

Targets

    • Target

      Bootstrapper1.55.exe

    • Size

      76.4MB

    • MD5

      2c8781fb8af16e9646c0fc2ce303a699

    • SHA1

      1444b640655d1e5494ca486d0333cff86aa1e3d6

    • SHA256

      f110a7d8c7f741474e6b6cfdb33aba02a2de58280dbd92f7c118a780d9eabceb

    • SHA512

      ad34362c042ecb00a5804c1dab0b55627726596d38ae09ab1d84c6321b6028f2f52c284943bbd2903549586d07221be44a4123bbb2c7890b1bc985baf13e5f2d

    • SSDEEP

      1572864:v8VlOWyomcSk8IpG7V+VPhqSvE7WxylKN0iY4MHHLeqPNLtD5zq3BxZpW9ryN:vKYromcSkB05awStxyMZMHVLt1zq3juE

    • Enumerates VirtualBox DLL files

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks