General

  • Target

    b3daeb7d62a01ac9787f2c702b1e7fbdbdd8d9a386f3c192bf91a277adc020bc

  • Size

    846KB

  • Sample

    220503-y6aspabha6

  • MD5

    605799b639c55aeefa38846a753fa203

  • SHA1

    26d1f25f6eb932502cf1b41a567c8b200476ec37

  • SHA256

    b3daeb7d62a01ac9787f2c702b1e7fbdbdd8d9a386f3c192bf91a277adc020bc

  • SHA512

    34214a8385f2578ff0bb69039d3815e6d95ceb3befc1b974c3cc9ce6c1856671f1de776c6f0c6963f4f3fa6da451c0401c302c4df6977c7b4f9a1a71f71d4cbc

Malware Config

Targets

    • Target

      Contract No 12532019.exe

    • Size

      918KB

    • MD5

      bc3612c3da850921b8d6aa49aad594e6

    • SHA1

      233eabf33f2a3e2cf53c68540e5c3f5ddb91b389

    • SHA256

      573b66612f43bd09c655707f60f7a54be3afad50a7de1bd831e26edf3359b069

    • SHA512

      7d17672751422cc5df5d3a5827b6fde153c288b84314e6155973063d3ae23955c23d1de18927f596470c9a3621a8e8b6652663f01dd6360518b424d8b60b3e82

    • 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