General

  • Target

    b681e96d844aff81809a9ac8b129fd4fd0f99503e4a0d4addf643a584e7a9925

  • Size

    35KB

  • Sample

    250529-rcb1bssvdz

  • MD5

    69ffb654cb8e2486d59f7bb6b2f8a2f8

  • SHA1

    55c22fc075049f9121670cfabd7d002ef5b918b8

  • SHA256

    b681e96d844aff81809a9ac8b129fd4fd0f99503e4a0d4addf643a584e7a9925

  • SHA512

    a50d3ae099d3321c0ecadcfc3cc5602d10a2b03a97639fb9181fb0daf97e8f8a3599df70e380bf07d779b591c8ea831fe1fdfef8c474c5f676e609987a65f7fb

  • SSDEEP

    384:hAg+5OCZ4W6/KWLsqmFae+rOAqmFae+rOr9NNV5H/V36aNQP+OKGDw9ce9cwwlwu:uZ4FLz8ae+rOn8ae+rO2aNQP+UDQvh43

Malware Config

Targets

    • Target

      b681e96d844aff81809a9ac8b129fd4fd0f99503e4a0d4addf643a584e7a9925

    • Size

      35KB

    • MD5

      69ffb654cb8e2486d59f7bb6b2f8a2f8

    • SHA1

      55c22fc075049f9121670cfabd7d002ef5b918b8

    • SHA256

      b681e96d844aff81809a9ac8b129fd4fd0f99503e4a0d4addf643a584e7a9925

    • SHA512

      a50d3ae099d3321c0ecadcfc3cc5602d10a2b03a97639fb9181fb0daf97e8f8a3599df70e380bf07d779b591c8ea831fe1fdfef8c474c5f676e609987a65f7fb

    • SSDEEP

      384:hAg+5OCZ4W6/KWLsqmFae+rOAqmFae+rOr9NNV5H/V36aNQP+OKGDw9ce9cwwlwu:uZ4FLz8ae+rOn8ae+rO2aNQP+UDQvh43

    • Cosmu

      Cosmu is a Windows worm written in C++.

    • Cosmu family

    • Detects Cosmu payload

      Cosmu is a worm written in C++.

    • Renames multiple (5249) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

MITRE ATT&CK Enterprise v16

Tasks