General

  • Target

    6287bdfb82155fff1ba4becf72958be3_JaffaCakes118

  • Size

    1004KB

  • Sample

    240521-jhrzqsdd2x

  • MD5

    6287bdfb82155fff1ba4becf72958be3

  • SHA1

    4cd40f7aac99fecfbbea309723a20d74bd7b2c9e

  • SHA256

    eeeacd15a922e5b6087678fa760d01d430741727ba41564b3f367723bbd3d8ac

  • SHA512

    0e7559a100313c5ed3d4b75e19dbd199a372f55b470939d4c49f45bb1d357f5290da9a0455c604a1997dcd3b3cd3834ffe31c415cabc06df3e9522ae7f3585c0

  • SSDEEP

    24576:jKlaBa1sMMZvIniOzOh+bkzK/jLNczODbs:OfWL2ntzM+bmK/lZbs

Malware Config

Targets

    • Target

      6287bdfb82155fff1ba4becf72958be3_JaffaCakes118

    • Size

      1004KB

    • MD5

      6287bdfb82155fff1ba4becf72958be3

    • SHA1

      4cd40f7aac99fecfbbea309723a20d74bd7b2c9e

    • SHA256

      eeeacd15a922e5b6087678fa760d01d430741727ba41564b3f367723bbd3d8ac

    • SHA512

      0e7559a100313c5ed3d4b75e19dbd199a372f55b470939d4c49f45bb1d357f5290da9a0455c604a1997dcd3b3cd3834ffe31c415cabc06df3e9522ae7f3585c0

    • SSDEEP

      24576:jKlaBa1sMMZvIniOzOh+bkzK/jLNczODbs:OfWL2ntzM+bmK/lZbs

    • 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