General

  • Target

    128e601d083b904b8fa2dbdc49e724c0d270fbf97a9f7f3197f24c99dd89a8c7

  • Size

    542KB

  • Sample

    220511-c73zzagfdq

  • MD5

    665fe7ada59071932e399bcbd22156dc

  • SHA1

    602ce8f319dbb62feba70d2961104ee8a75affb5

  • SHA256

    128e601d083b904b8fa2dbdc49e724c0d270fbf97a9f7f3197f24c99dd89a8c7

  • SHA512

    27a90ca7ab21f41ce11dd76d8c26b13de4d8539f234a5d603444b32a3dacc49ba71cd1a595b5a3ce758db2e32d98a3c34334bc5af9ddcfcb9e5d75b4cd65e703

Malware Config

Targets

    • Target

      128e601d083b904b8fa2dbdc49e724c0d270fbf97a9f7f3197f24c99dd89a8c7

    • Size

      542KB

    • MD5

      665fe7ada59071932e399bcbd22156dc

    • SHA1

      602ce8f319dbb62feba70d2961104ee8a75affb5

    • SHA256

      128e601d083b904b8fa2dbdc49e724c0d270fbf97a9f7f3197f24c99dd89a8c7

    • SHA512

      27a90ca7ab21f41ce11dd76d8c26b13de4d8539f234a5d603444b32a3dacc49ba71cd1a595b5a3ce758db2e32d98a3c34334bc5af9ddcfcb9e5d75b4cd65e703

    • 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