General

  • Target

    039f4e733627c8a68c6bdf598e2e5f3887c53eee4034f0db21d6b159146aa0f7

  • Size

    1.1MB

  • Sample

    220521-b2n37achb8

  • MD5

    fda9add22de60858025a3a06c8ad5ba1

  • SHA1

    d511663f8f02f4b52fe7183b074f33d68b0f8f18

  • SHA256

    039f4e733627c8a68c6bdf598e2e5f3887c53eee4034f0db21d6b159146aa0f7

  • SHA512

    5c16e2a736592f8da57b863ff80aab2f1fb2a3e7a153edb81de2997b9855eefe1de6b3d4aae558c0364ec4ffc0a703e7ecf971f38e4226bf60929d38608ce2bc

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\79FE0CC911\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.3.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.51 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: 5/21/2022 2:32:17 AM MassLogger Started: 5/21/2022 2:32:05 AM Interval: 2 hour MassLogger Process: C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe As Administrator: True

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Dmacdavid

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\EEB932C954\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.3.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.13 Location: United States OS: Microsoft Windows 10 Pro64bit CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 4:31:43 AM MassLogger Started: 5/21/2022 4:31:36 AM Interval: 2 hour MassLogger Process: C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe As Administrator: True

Targets

    • Target

      Inquired Materials.exe

    • Size

      2.3MB

    • MD5

      47d3bd28eb5dd0d07bf1550987f443fd

    • SHA1

      f25d43feefd19d187e64f4bf8bfb33589cc0c32a

    • SHA256

      db6d686590ded24cbfc0dfb2be4cd25035d7422c4cf49e6b9bf94469d2573e7d

    • SHA512

      76065edd59cb13198de9d7f668977089d02b4bad286f6067141acbca57a54f8da07bc48b78ee04954e5e5f0f916eb113a0eb212dc13702d5c36f27cbddffebec

    • MassLogger

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

    • MassLogger log file

      Detects a log file produced by MassLogger.

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • 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 Enterprise v6

Tasks