General

  • Target

    JaffaCakes118_78be830fb6eab0c7e9a190dce8578aec

  • Size

    843KB

  • Sample

    250104-km338ssjf1

  • MD5

    78be830fb6eab0c7e9a190dce8578aec

  • SHA1

    ee2768f6affa6b067200d06c6a29c34b5cb977f9

  • SHA256

    d48a5782e88fa2e4e12fa713548ed3d52bb0796f9cacbbacd4ea74c669226236

  • SHA512

    9af940812a65e12f77d21de7e5c25f27b2f978e7198c007a4c1482a59822212cdbc14f872c910b0db286b1f6bfcb0d109ff40d54c02768f97ef9052fb6b8f194

  • SSDEEP

    24576:Km+C3OkIqxwJV9tTF694LWj1c5tibz4mhns:KA1x8V9tBpftcF

Malware Config

Targets

    • Target

      JaffaCakes118_78be830fb6eab0c7e9a190dce8578aec

    • Size

      843KB

    • MD5

      78be830fb6eab0c7e9a190dce8578aec

    • SHA1

      ee2768f6affa6b067200d06c6a29c34b5cb977f9

    • SHA256

      d48a5782e88fa2e4e12fa713548ed3d52bb0796f9cacbbacd4ea74c669226236

    • SHA512

      9af940812a65e12f77d21de7e5c25f27b2f978e7198c007a4c1482a59822212cdbc14f872c910b0db286b1f6bfcb0d109ff40d54c02768f97ef9052fb6b8f194

    • SSDEEP

      24576:Km+C3OkIqxwJV9tTF694LWj1c5tibz4mhns:KA1x8V9tBpftcF

    • Expiro family

    • Expiro, m0yv

      Expiro aka m0yv is a multi-functional backdoor written in C++.

    • Expiro payload

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Windows security modification

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops Chrome extension

    • Enumerates connected drives

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks