General

  • Target

    4d02985363a38bd89d0b851cd8e8af87_JaffaCakes118

  • Size

    985KB

  • Sample

    240516-zyjlasgd61

  • MD5

    4d02985363a38bd89d0b851cd8e8af87

  • SHA1

    f2360145987081d33d32ac109bab3f5a690ed26f

  • SHA256

    f5042e5664b6cacb1d8b6ceaa45529b9d3262c8a3ae1728d827702a33a2d0db3

  • SHA512

    c4f9fd89cebd2d51ab7d6be134b471f468405b3895c898917361599130d38f1a8a52b385bf7a13e6347e95bc89d2aa3232531a1913ec43e2b06a100350d5ec63

  • SSDEEP

    24576:/rYUhzRsCg6Yn++QKSwUcu1VP6TLz6XeijSRj5BIH:z+Cg6KbbUcuwzXil

Malware Config

Targets

    • Target

      4d02985363a38bd89d0b851cd8e8af87_JaffaCakes118

    • Size

      985KB

    • MD5

      4d02985363a38bd89d0b851cd8e8af87

    • SHA1

      f2360145987081d33d32ac109bab3f5a690ed26f

    • SHA256

      f5042e5664b6cacb1d8b6ceaa45529b9d3262c8a3ae1728d827702a33a2d0db3

    • SHA512

      c4f9fd89cebd2d51ab7d6be134b471f468405b3895c898917361599130d38f1a8a52b385bf7a13e6347e95bc89d2aa3232531a1913ec43e2b06a100350d5ec63

    • SSDEEP

      24576:/rYUhzRsCg6Yn++QKSwUcu1VP6TLz6XeijSRj5BIH:z+Cg6KbbUcuwzXil

    • 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