General

  • Target

    5751f943c8f15eae31446c0cd79482c84c164adb75bdc3600b1a4b00d6ab9316

  • Size

    825KB

  • Sample

    220420-f7w37shfdl

  • MD5

    292770f7aebc82296715706fd546eb46

  • SHA1

    8f5c8b3644d524e83d81c282318876ac606991cc

  • SHA256

    5751f943c8f15eae31446c0cd79482c84c164adb75bdc3600b1a4b00d6ab9316

  • SHA512

    d5eb0ed8e31bc89a731304699e2b8d2dd09a52f12ae9d9b9503e376c18717513801d9227e0e3f7fec1b41d540dc61a9d51cee4807e2de9468119ac27fc7808ca

Malware Config

Targets

    • Target

      5751f943c8f15eae31446c0cd79482c84c164adb75bdc3600b1a4b00d6ab9316

    • Size

      825KB

    • MD5

      292770f7aebc82296715706fd546eb46

    • SHA1

      8f5c8b3644d524e83d81c282318876ac606991cc

    • SHA256

      5751f943c8f15eae31446c0cd79482c84c164adb75bdc3600b1a4b00d6ab9316

    • SHA512

      d5eb0ed8e31bc89a731304699e2b8d2dd09a52f12ae9d9b9503e376c18717513801d9227e0e3f7fec1b41d540dc61a9d51cee4807e2de9468119ac27fc7808ca

    • MassLogger

      Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

    • MassLogger Main Payload

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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 Enterprise v6

Tasks