General

  • Target

    a63be1ca173c56ac3094e6b820ae3e46_JaffaCakes118

  • Size

    967KB

  • Sample

    240613-srzwdathpa

  • MD5

    a63be1ca173c56ac3094e6b820ae3e46

  • SHA1

    5f355e782e0179301ec23bf0037c2be90b2aa01b

  • SHA256

    c901da217f2f663a6fbc5023c84165031ac1f12a9160305df218b011636a9a96

  • SHA512

    6b31613d485fd4b48eaa5dda74e5495538380cfc3aba83816c0767a1fac5fcf0e14ede5a77aa8c37226af4bafd5fcb4965fbd47eddd3d78a466b6256fe109f98

  • SSDEEP

    12288:+9+UFSbzwd6xyFjH8H1NDNCqovrO4FBXzDylpDGym8/ZQ63rpcsBLG/nD86+p6:A+pbzwIxk4VdoqmFNXYiymibrptID89E

Malware Config

Targets

    • Target

      a63be1ca173c56ac3094e6b820ae3e46_JaffaCakes118

    • Size

      967KB

    • MD5

      a63be1ca173c56ac3094e6b820ae3e46

    • SHA1

      5f355e782e0179301ec23bf0037c2be90b2aa01b

    • SHA256

      c901da217f2f663a6fbc5023c84165031ac1f12a9160305df218b011636a9a96

    • SHA512

      6b31613d485fd4b48eaa5dda74e5495538380cfc3aba83816c0767a1fac5fcf0e14ede5a77aa8c37226af4bafd5fcb4965fbd47eddd3d78a466b6256fe109f98

    • SSDEEP

      12288:+9+UFSbzwd6xyFjH8H1NDNCqovrO4FBXzDylpDGym8/ZQ63rpcsBLG/nD86+p6:A+pbzwIxk4VdoqmFNXYiymibrptID89E

    • MassLogger

      Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

    • MassLogger Main payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • 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.

    • Accesses Microsoft Outlook profiles

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks