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General

  • Target

    8572a8f4e9f1b4d6655a12f761558adf04ec5086d8d5304052cc9aa041186d32

  • Size

    92KB

  • Sample

    240601-abrwqabb64

  • MD5

    984add71480cf5c831bc05a06e650f18

  • SHA1

    f1efb5c08c2d43aefcc0bfe5535eea6ba3821b63

  • SHA256

    8572a8f4e9f1b4d6655a12f761558adf04ec5086d8d5304052cc9aa041186d32

  • SHA512

    b644cf72c7f8ee18d81fdaa4b3088d30658e03931d26b28ec468c33067324671eb1347aea2125aaabfaf5fa7846797848877dcb667af438a493de63b81578cf7

  • SSDEEP

    1536:1MIPgEm56wnbkKC2ZyBJU066lwLCRVEB+nR/y8cmNrEIviCOzuajkrDl9HNSi:11PgEOng1d66jRVa+n4NmNNouukrD7HI

Malware Config

Targets

    • Target

      8572a8f4e9f1b4d6655a12f761558adf04ec5086d8d5304052cc9aa041186d32

    • Size

      92KB

    • MD5

      984add71480cf5c831bc05a06e650f18

    • SHA1

      f1efb5c08c2d43aefcc0bfe5535eea6ba3821b63

    • SHA256

      8572a8f4e9f1b4d6655a12f761558adf04ec5086d8d5304052cc9aa041186d32

    • SHA512

      b644cf72c7f8ee18d81fdaa4b3088d30658e03931d26b28ec468c33067324671eb1347aea2125aaabfaf5fa7846797848877dcb667af438a493de63b81578cf7

    • SSDEEP

      1536:1MIPgEm56wnbkKC2ZyBJU066lwLCRVEB+nR/y8cmNrEIviCOzuajkrDl9HNSi:11PgEOng1d66jRVa+n4NmNNouukrD7HI

    • Detects executables containing base64 encoded User Agent

    • UPX dump on OEP (original entry point)

    • Blocklisted process makes network request

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • UPX packed file

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

    • Adds Run key to start application

    • Enumerates connected drives

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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

MITRE ATT&CK Enterprise v15

Tasks