General

  • Target

    4e5e1f85bc94bd90cbd5329dd94a7d5e_JaffaCakes118

  • Size

    987KB

  • Sample

    240517-epnhnsgf7v

  • MD5

    4e5e1f85bc94bd90cbd5329dd94a7d5e

  • SHA1

    d70965a4a125a817df2494293a3e790def064080

  • SHA256

    48340f28d380e0e6e43850ac870aa0eae6b6fe06bc1db533cc548c2e5bbc9091

  • SHA512

    3803ddce4095402d259c0438da875bfd992101d0adc95b658ff8a7c01cba3b2390346f84566af5437850dd0e1a40287910e177fe55c87fd02a8ab5d0a46a1f37

  • SSDEEP

    24576:vrYUhzRsCg6Yn++QKSvqcsSzGEsxZ+04CHj8clv66BC:j+Cg6KbbgqezGv804qgCv66E

Malware Config

Targets

    • Target

      4e5e1f85bc94bd90cbd5329dd94a7d5e_JaffaCakes118

    • Size

      987KB

    • MD5

      4e5e1f85bc94bd90cbd5329dd94a7d5e

    • SHA1

      d70965a4a125a817df2494293a3e790def064080

    • SHA256

      48340f28d380e0e6e43850ac870aa0eae6b6fe06bc1db533cc548c2e5bbc9091

    • SHA512

      3803ddce4095402d259c0438da875bfd992101d0adc95b658ff8a7c01cba3b2390346f84566af5437850dd0e1a40287910e177fe55c87fd02a8ab5d0a46a1f37

    • SSDEEP

      24576:vrYUhzRsCg6Yn++QKSvqcsSzGEsxZ+04CHj8clv66BC:j+Cg6KbbgqezGv804qgCv66E

    • 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