General

  • Target

    d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517

  • Size

    1.1MB

  • Sample

    220516-xfm5nabhh5

  • MD5

    bd0f466d4430c91d4b594be6a1842a25

  • SHA1

    54ee4c4163b7e1ebf7bfa9e431faa0cb4cbcb6f9

  • SHA256

    d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517

  • SHA512

    7f60b6b308183c526e691e4e9db7d2da79f41329a71cc654c88f9a3e3162a503543e47cb611e8bbc607d488f0f49d4c12c02d0202eab71db37ff8a4b3cf32ec4

Malware Config

Targets

    • Target

      d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517

    • Size

      1.1MB

    • MD5

      bd0f466d4430c91d4b594be6a1842a25

    • SHA1

      54ee4c4163b7e1ebf7bfa9e431faa0cb4cbcb6f9

    • SHA256

      d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517

    • SHA512

      7f60b6b308183c526e691e4e9db7d2da79f41329a71cc654c88f9a3e3162a503543e47cb611e8bbc607d488f0f49d4c12c02d0202eab71db37ff8a4b3cf32ec4

    • 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