General

  • Target

    546bee912865993d10cffb8eb2ba6217_JaffaCakes118

  • Size

    987KB

  • Sample

    240518-ndk3vagg9z

  • MD5

    546bee912865993d10cffb8eb2ba6217

  • SHA1

    d820779090e5c53e83b2a978a3e4bab3ec542860

  • SHA256

    5982827e27391c55ba90965651918a41129f6192503fd33abe2a40e441d8a336

  • SHA512

    710300c358f94c1936904af5aa7fa6a8667344bf06046ae35038e717d96cb9e8e0173182ffc6069bce4220ebb95aec3847eafd355c7029a668734390763cb5e0

  • SSDEEP

    24576:/rYUhzRsCg6Yn++QKS4Xkuo1EBeyJEXwuLkveyBV:z+Cg6Kbb1rBeyKBYWyBV

Malware Config

Targets

    • Target

      546bee912865993d10cffb8eb2ba6217_JaffaCakes118

    • Size

      987KB

    • MD5

      546bee912865993d10cffb8eb2ba6217

    • SHA1

      d820779090e5c53e83b2a978a3e4bab3ec542860

    • SHA256

      5982827e27391c55ba90965651918a41129f6192503fd33abe2a40e441d8a336

    • SHA512

      710300c358f94c1936904af5aa7fa6a8667344bf06046ae35038e717d96cb9e8e0173182ffc6069bce4220ebb95aec3847eafd355c7029a668734390763cb5e0

    • SSDEEP

      24576:/rYUhzRsCg6Yn++QKS4Xkuo1EBeyJEXwuLkveyBV:z+Cg6Kbb1rBeyKBYWyBV

    • 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