General

  • Target

    e7f0261f170ad022b44a31b65a4c61adffb2cbc85ec64487c3875fd8a6c3cc5e

  • Size

    1.2MB

  • Sample

    220708-mbx4ysdga3

  • MD5

    233632e49ec5401ddb3387f28f5ce9b9

  • SHA1

    79caebdd1cc3e76e61e7ed400146f81fbab2d885

  • SHA256

    e7f0261f170ad022b44a31b65a4c61adffb2cbc85ec64487c3875fd8a6c3cc5e

  • SHA512

    a0354c14300f09429b6821c1a01b5a4b716919b4b43a465cfea418327346393369513d9c1aa7a9914c22cdea6e4806fb5055d1fa9224069dec4d5e437ad82317

Malware Config

Targets

    • Target

      e7f0261f170ad022b44a31b65a4c61adffb2cbc85ec64487c3875fd8a6c3cc5e

    • Size

      1.2MB

    • MD5

      233632e49ec5401ddb3387f28f5ce9b9

    • SHA1

      79caebdd1cc3e76e61e7ed400146f81fbab2d885

    • SHA256

      e7f0261f170ad022b44a31b65a4c61adffb2cbc85ec64487c3875fd8a6c3cc5e

    • SHA512

      a0354c14300f09429b6821c1a01b5a4b716919b4b43a465cfea418327346393369513d9c1aa7a9914c22cdea6e4806fb5055d1fa9224069dec4d5e437ad82317

    • 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.

    • 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 Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks