General

  • Target

    4adbfbb72e49b10b1218db41568f15c7_JaffaCakes118

  • Size

    969KB

  • Sample

    240516-npnccaba45

  • MD5

    4adbfbb72e49b10b1218db41568f15c7

  • SHA1

    1582c459a9a3429c1d59d6b6c8e703e5499c92ec

  • SHA256

    f97b051a72d6243fdc053b92d0bdcb3f27a3acd5be0a4a83df07a3d17a2ffdf9

  • SHA512

    3d843e807d34d21a9e4c604564e151545afb2ce168829ceb0cf414b5c29939c5c3a926809fcb0d2e39bda0396673a9716a07ab85ed918ca8710efe94b8a909db

  • SSDEEP

    12288:v9+UFSbzwd6xyFjH8H1NDNCqovrO4LM29Y7NZ/FDFq3I8BFQyJXvrxjT2/pQWDX6:F+pbzwIxk4VdoqmGZbFqzFQ2vsxq

Malware Config

Targets

    • Target

      4adbfbb72e49b10b1218db41568f15c7_JaffaCakes118

    • Size

      969KB

    • MD5

      4adbfbb72e49b10b1218db41568f15c7

    • SHA1

      1582c459a9a3429c1d59d6b6c8e703e5499c92ec

    • SHA256

      f97b051a72d6243fdc053b92d0bdcb3f27a3acd5be0a4a83df07a3d17a2ffdf9

    • SHA512

      3d843e807d34d21a9e4c604564e151545afb2ce168829ceb0cf414b5c29939c5c3a926809fcb0d2e39bda0396673a9716a07ab85ed918ca8710efe94b8a909db

    • SSDEEP

      12288:v9+UFSbzwd6xyFjH8H1NDNCqovrO4LM29Y7NZ/FDFq3I8BFQyJXvrxjT2/pQWDX6:F+pbzwIxk4VdoqmGZbFqzFQ2vsxq

    • 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