General

  • Target

    828599c57d7111892451deedf5b4be8ccd91a505fb60f2402f4a1f1c49e4609b

  • Size

    111KB

  • Sample

    221121-mtwc3sah6y

  • MD5

    31aa3bc23c2cdb7ef511108cc593ee70

  • SHA1

    29f2a9485edd516665c5dfc811c3e63af56b8b6c

  • SHA256

    828599c57d7111892451deedf5b4be8ccd91a505fb60f2402f4a1f1c49e4609b

  • SHA512

    9ed2ddf1d9b17eba646cc69480b9bb609aeaf9ad0af0a7b122ba4f9a4cab84e45fe9b9c19d9f0a12e37fcdfe3427c75289d4bc1132a2bc2b4031fcf44163d91c

  • SSDEEP

    3072:oySFI8LZyHMpj7iefLFaHEYWv4GES6WM1Q:rv8LZyHGDLUHEYOh1cQ

Malware Config

Targets

    • Target

      828599c57d7111892451deedf5b4be8ccd91a505fb60f2402f4a1f1c49e4609b

    • Size

      111KB

    • MD5

      31aa3bc23c2cdb7ef511108cc593ee70

    • SHA1

      29f2a9485edd516665c5dfc811c3e63af56b8b6c

    • SHA256

      828599c57d7111892451deedf5b4be8ccd91a505fb60f2402f4a1f1c49e4609b

    • SHA512

      9ed2ddf1d9b17eba646cc69480b9bb609aeaf9ad0af0a7b122ba4f9a4cab84e45fe9b9c19d9f0a12e37fcdfe3427c75289d4bc1132a2bc2b4031fcf44163d91c

    • SSDEEP

      3072:oySFI8LZyHMpj7iefLFaHEYWv4GES6WM1Q:rv8LZyHGDLUHEYOh1cQ

    • Modifies WinLogon for persistence

    • Ramnit

      Ramnit is a versatile family that holds viruses, worms, and Trojans.

    • Executes dropped EXE

    • UPX packed file

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

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks