General

  • Target

    5bac4917f0922f7109de719b9ca6cd2a_JaffaCakes118

  • Size

    968KB

  • Sample

    240519-1r76rabh8t

  • MD5

    5bac4917f0922f7109de719b9ca6cd2a

  • SHA1

    5f6f7745bd9123d934b35b87a9a5f0705a28664c

  • SHA256

    07733638a39beadad8c496d03fbdd66b49d82e22fcaf7ee9dbadaa8fde982aee

  • SHA512

    e32b48b2d00d78b5f582cdccd658d21a703dd156feb65b736899187eea33a056c0abdccfcd06f6120c1b63b830b9017bfcc7f25f870d0eb622612a9e02e3c32d

  • SSDEEP

    24576:o+pbzwIxk4VdoqmhAb8bo+t0XXkbg1T4bWR99:5pbkGtLKhABXkb2BR99

Malware Config

Targets

    • Target

      5bac4917f0922f7109de719b9ca6cd2a_JaffaCakes118

    • Size

      968KB

    • MD5

      5bac4917f0922f7109de719b9ca6cd2a

    • SHA1

      5f6f7745bd9123d934b35b87a9a5f0705a28664c

    • SHA256

      07733638a39beadad8c496d03fbdd66b49d82e22fcaf7ee9dbadaa8fde982aee

    • SHA512

      e32b48b2d00d78b5f582cdccd658d21a703dd156feb65b736899187eea33a056c0abdccfcd06f6120c1b63b830b9017bfcc7f25f870d0eb622612a9e02e3c32d

    • SSDEEP

      24576:o+pbzwIxk4VdoqmhAb8bo+t0XXkbg1T4bWR99:5pbkGtLKhABXkb2BR99

    • 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