General

  • Target

    652b8d5bf6e14fb828676c4aa16f7537b364e3b2a5af43f7fcc40421ef1145f0

  • Size

    794KB

  • Sample

    220524-sqdlrafgb2

  • MD5

    94e998c790ab1ed6fcfdf5cb607c57c2

  • SHA1

    aad7c499e736634afff7cb34968df1432a9cae6f

  • SHA256

    652b8d5bf6e14fb828676c4aa16f7537b364e3b2a5af43f7fcc40421ef1145f0

  • SHA512

    95c5a8da7c614b1dceb6094032d301204bdacfa0c704d012e41581a98d452a4967fdf1dc4032d48aefcf9579347370d78e0e3ca65dcc2df18eff271f2ff566a8

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\AEF946DCB4\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.4.0 ################################################################# ### Logger Details ### User Name: Admin IP: 127.0.0.1 Location: United States OS: Microsoft Windows 7 Ultimate 64bit CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/24/2022 5:50:50 PM MassLogger Started: 5/24/2022 5:50:34 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\652b8d5bf6e14fb828676c4aa16f7537b364e3b2a5af43f7fcc40421ef1145f0.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Targets

    • Target

      652b8d5bf6e14fb828676c4aa16f7537b364e3b2a5af43f7fcc40421ef1145f0

    • Size

      794KB

    • MD5

      94e998c790ab1ed6fcfdf5cb607c57c2

    • SHA1

      aad7c499e736634afff7cb34968df1432a9cae6f

    • SHA256

      652b8d5bf6e14fb828676c4aa16f7537b364e3b2a5af43f7fcc40421ef1145f0

    • SHA512

      95c5a8da7c614b1dceb6094032d301204bdacfa0c704d012e41581a98d452a4967fdf1dc4032d48aefcf9579347370d78e0e3ca65dcc2df18eff271f2ff566a8

    • CoreEntity .NET Packer

      A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

    • MassLogger

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

    • MassLogger log file

      Detects a log file produced by MassLogger.

    • Checks computer location settings

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

    • 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

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Tasks